{"id":9468,"date":"2026-09-11T08:14:57","date_gmt":"2026-09-10T23:14:57","guid":{"rendered":"https:\/\/venu-sys.co.jp\/jo-sys\/?p=9468"},"modified":"2026-09-11T08:14:57","modified_gmt":"2026-09-10T23:14:57","slug":"siem-security","status":"publish","type":"post","link":"https:\/\/venu-sys.co.jp\/jo-sys\/9468\/","title":{"rendered":"\u3010\u7dcf\u52d9\u7701\u30fb\u8b66\u5bdf\u5e81\u30c7\u30fc\u30bf\u3011SIEM\u3068\u306f\uff5c\u5bfe\u7b56\u5b9f\u65bd\u738798.3%\u306b\u5bfe\u3057\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u8a18\u933241.0%\uff082025\u5e74\uff09\u3068\u5fc5\u8981\u306a\u7406\u7531"},"content":{"rendered":"<p>EDR\u3082UTM\u3082\u5165\u308c\u3066\u3001\u30a2\u30e9\u30fc\u30c8\u306f\u6bce\u65e5\u5c4a\u3044\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u3067\u3082\u81ea\u793e\u304c\u4eca\u3069\u3046\u3044\u3046\u72b6\u614b\u306a\u306e\u304b\u5206\u304b\u3089\u306a\u3044\u3001\u3068\u3044\u3046\u611f\u899a\u306f\u73cd\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u6b21\u306e\u3088\u3046\u306a\u7591\u554f\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<ul>\n<li>EDR\u3082UTM\u3082\u5165\u308c\u305f\u306e\u306b\u3001\u30a2\u30e9\u30fc\u30c8\u3092\u500b\u5225\u306b\u898b\u3066\u3044\u308b\u3060\u3051\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u304b<\/li>\n<li>SIEM\u3068\u3044\u3046\u8a00\u8449\u306f\u805e\u304f\u3051\u308c\u3069\u3001\u81ea\u793e\u306e\u898f\u6a21\u3067\u5fc5\u8981\u306a\u306e\u304b<\/li>\n<li>\u30ed\u30b0\u306f\u53d6\u3063\u3066\u3044\u308b\u3064\u3082\u308a\u3060\u304c\u3001\u8ab0\u3082\u898b\u3066\u3044\u306a\u3044\u6c17\u304c\u3059\u308b<\/li>\n<\/ul>\n<p>\u7dcf\u52d9\u7701\u30fbIPA\u30fb\u8b66\u5bdf\u5e81\u306e\u516c\u7684\u30c7\u30fc\u30bf\u3067\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u3053\u306e\u8a18\u4e8b\u306e\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n<ul>\n<li>\u500b\u3005\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3084\u901a\u4fe1\u3092\u691c\u77e5\u3059\u308b\u306e\u306f\u5404\u88fd\u54c1\u3067\u3001SIEM\u306f\u5404\u88fd\u54c1\u306e\u30ed\u30b0\u3092\u4e00\u304b\u6240\u306b\u96c6\u3081\u3066\u7a81\u304d\u5408\u308f\u305b\u3001\u5358\u4f53\u3067\u306f\u898b\u3048\u306a\u3044\u4e8b\u8c61\u3092\u691c\u77e5\u3059\u308b\u4ed5\u7d44\u307f\uff08IPA\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\u7d44\u7e54\u7de8 \u89e3\u8aac\u66f8\uff09<\/li>\n<li>2025\u5e74\u8abf\u67fb\u3067\u5bfe\u7b56\u5b9f\u65bd\u7387\u306f98.3%\u3001\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306e\u8a18\u9332\u306f41.0%\uff08\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d\uff09<\/li>\n<li>\u8b66\u5bdf\u5e81\u304c\u628a\u63e1\u3057\u305f\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u88ab\u5bb3\u3067\u306f\u3001\u4fb5\u5165\u7d4c\u8def\u306eVPN\u6a5f\u5668\u30fb\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7d4c\u7531\u304c2025\u5e74\u306787.0%\uff08IPA\u540c\u89e3\u8aac\u66f8\uff09<\/li>\n<\/ul>\n<h2>SIEM\u306f\u8907\u6570\u306e\u6a5f\u5668\u306e\u30ed\u30b0\u3092\u4e00\u304b\u6240\u306b\u96c6\u7d04\u3057\u3001\u76f8\u95a2\u3092\u5206\u6790\u3057\u3066\u8105\u5a01\u3092\u691c\u77e5\u3059\u308b\u4ed5\u7d44\u307f<\/h2>\n<p>SIEM\u306fSecurity Information and Event Management\u306e\u7565\u3067\u3001\u65e5\u672c\u8a9e\u3067\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u60c5\u5831\u30a4\u30d9\u30f3\u30c8\u7ba1\u7406\u3068\u547c\u3073\u307e\u3059\u3002IPA\u306e\u89e3\u8aac\u66f8\u3067\u306f\u3001\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u3084EDR\u306a\u3069\u304c\u51fa\u529b\u3059\u308b\u30ed\u30b0\u3092\u96c6\u7d04\u3057\u3001\u76f8\u95a2\u95a2\u4fc2\u3092\u8e0f\u307e\u3048\u305f\u5206\u6790\u3092\u53ef\u80fd\u306b\u3059\u308b\u4ed5\u7d44\u307f\u3068\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u306f\u3001\u306a\u305c\u30ed\u30b0\u3092\u675f\u306d\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u304b\u3092\u8ef8\u306b\u8aac\u660e\u3057\u307e\u3059\u3002\u88fd\u54c1\u6bd4\u8f03\u306b\u306f\u8e0f\u307f\u8fbc\u307f\u307e\u305b\u3093\u3002<\/p>\n<h3>SIEM\u306f\u30ed\u30b0\u306e\u96c6\u7d04\u3068\u76f8\u95a2\u5206\u6790\u3092\u62c5\u3044\u3001\u500b\u3005\u306e\u901a\u4fe1\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u691c\u77e5\u306f\u5404\u88fd\u54c1\u304c\u884c\u3046<\/h3>\n<p>SIEM\u306f\u65b0\u3057\u3044\u9632\u5fa1\u306e\u5c64\u3092\u8db3\u3059\u88fd\u54c1\u3067\u306f\u306a\u304f\u3001<strong>\u3059\u3067\u306b\u5165\u3063\u3066\u3044\u308b\u88fd\u54c1\u306e\u51fa\u529b\u3092\u675f\u306d\u308b\u4ed5\u7d44\u307f<\/strong>\u3067\u3059\u3002IPA\u306e\u89e3\u8aac\u66f8\u3067\u3082\u3001\u7d71\u5408\u7684\u306a\u53ef\u8996\u5316\u306b\u3088\u308a\u8abf\u67fb\u304c\u52b9\u7387\u5316\u3057\u3001\u904b\u7528\u306e\u624b\u9593\u306e\u4f4e\u6e1b\u304c\u671f\u5f85\u3067\u304d\u308b\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u7dcf\u52d9\u7701\u306e2025\u5e74\u8abf\u67fb\u3067\u306f\u3001\u7aef\u672b\u3078\u306e\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5c0e\u5165\u304c82.0%\u3067\u3057\u305f\u3002\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u7f6e\u30fb\u5c0e\u5165\u306f51.9%\u3001IDS\u306f20.7%\u3067\u3057\u305f\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u4f01\u696d\u3001\u8907\u6570\u56de\u7b54\uff09\u3002<\/p>\n<p>\u3064\u307e\u308a\u500b\u3005\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3084\u901a\u4fe1\u3092\u691c\u77e5\u3059\u308b\u306e\u306f\u5404\u88fd\u54c1\u3067\u3059\u3002SIEM\u306f\u305d\u306e\u51fa\u529b\u3092\u6a2a\u306b\u4e26\u3079\u3066\u7a81\u304d\u5408\u308f\u305b\u3001\u88fd\u54c1\u5358\u4f53\u3067\u306f\u898b\u3048\u306a\u3044\u4e8b\u8c61\u3092\u691c\u77e5\u3057\u307e\u3059\u3002<\/p>\n<h3>SIEM\u304c\u96c6\u7d04\u3059\u308b\u4e3b\u306a\u30ed\u30b0\u306f\u8a8d\u8a3c\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u30fb\u30b5\u30fc\u30d0\u30fc\u30fb\u30af\u30e9\u30a6\u30c9\u306e4\u7cfb\u7d71<\/h3>\n<p>SIEM\u306e\u51fa\u529b\u306e\u8cea\u306f\u3001\u3069\u306e\u30ed\u30b0\u3092\u3064\u306a\u3044\u3060\u304b\u3067\u6c7a\u307e\u308a\u307e\u3059\u3002\u5bfe\u8c61\u304c\u504f\u308b\u3068\u3001\u76f8\u95a2\u3092\u53d6\u3063\u3066\u3082\u4fb5\u5165\u306e\u6d41\u308c\u304c\u9014\u4e2d\u3067\u5207\u308c\u307e\u3059\u3002\u5bfe\u8c61\u306f\u4e3b\u306b\u6b21\u306e4\u7cfb\u7d71\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u96c6\u7d04\u3059\u308b\u30ed\u30b0<\/th>\n<th>\u4e3b\u306a\u767a\u751f\u5143<\/th>\n<th>\u305d\u3053\u304b\u3089\u5206\u304b\u308b\u3053\u3068<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8a8d\u8a3c\u30ed\u30b0<\/td>\n<td>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30b5\u30fc\u30d3\u30b9\u3001VPN\u3001SaaS<\/td>\n<td>\u8ab0\u304c\u3044\u3064\u3069\u3053\u304b\u3089\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u304b<\/td>\n<\/tr>\n<tr>\n<td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u306e\u30ed\u30b0<\/td>\n<td>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001IDS\/IPS\u3001UTM<\/td>\n<td>\u5916\u90e8\u3068\u306e\u901a\u4fe1\u306e\u5b9b\u5148\u30fb\u91cf\u30fb\u906e\u65ad\u306e\u6709\u7121<\/td>\n<\/tr>\n<tr>\n<td>\u30b5\u30fc\u30d0\u30fc\u30fb\u7aef\u672b\u306e\u30ed\u30b0<\/td>\n<td>\u30d5\u30a1\u30a4\u30eb\u30b5\u30fc\u30d0\u30fc\u3001\u696d\u52d9\u30b5\u30fc\u30d0\u30fc\u3001PC<\/td>\n<td>\u30d5\u30a1\u30a4\u30eb\u306e\u53c2\u7167\u3084\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c<\/td>\n<\/tr>\n<tr>\n<td>\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u306e\u76e3\u67fb\u30ed\u30b0<\/td>\n<td>\u30b0\u30eb\u30fc\u30d7\u30a6\u30a7\u30a2\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30b9\u30c8\u30ec\u30fc\u30b8<\/td>\n<td>\u8a2d\u5b9a\u5909\u66f4\u3084\u5171\u6709\u7bc4\u56f2\u306e\u5909\u66f4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u5206\u985e\u306f <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/10threats\/omgdg50000008fi8-att\/kaisetsu_2026_soshiki.pdf\">IPA\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\u7d44\u7e54\u7de8 \u89e3\u8aac\u66f8<\/a>\u306e\u8a18\u8ff0\u3092\u3082\u3068\u306b\u6574\u7406\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u7dcf\u52d9\u7701\u306e2025\u5e74\u8abf\u67fb\u306e\u5bfe\u7b56\u9805\u76ee\u306b\u306f\u300c\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306e\u8a18\u9332\u300d41.0%\u304c\u3042\u308a\u307e\u3059\u3002\u300c\u56de\u7dda\u76e3\u8996\u300d21.7%\u3082\u3053\u306e4\u7cfb\u7d71\u306b\u5bfe\u5fdc\u3059\u308b\u9805\u76ee\u3067\u3059\u3002JPCERT\/CC\u304c\u96c6\u8a08\u3059\u308b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30b5\u30a4\u30c8\u3078\u306e\u8a98\u5c0e\u306f\u30d7\u30ed\u30ad\u30b7\u3084DNS\u306e\u30ed\u30b0\u3001Web\u30b5\u30a4\u30c8\u306e\u6539\u3056\u3093\u306fWeb\u30b5\u30fc\u30d0\u30fc\u306e\u30ed\u30b0\u306b\u73fe\u308c\u307e\u3059\u3002<\/p>\n<h3>\u76f8\u95a2\u5206\u6790\u306f\u3001\u5358\u4f53\u3067\u306f\u6b63\u5e38\u306b\u898b\u3048\u308b\u30a4\u30d9\u30f3\u30c8\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u7570\u5e38\u3068\u5224\u65ad\u3059\u308b<\/h3>\n<p>\u76f8\u95a2\u5206\u6790\u3068\u306f\u30011\u4ef6\u305a\u3064\u898b\u308c\u3070\u554f\u984c\u306e\u306a\u3044\u30a4\u30d9\u30f3\u30c8\u306e\u4e26\u3073\u65b9\u304b\u3089\u7570\u5e38\u3092\u898b\u3064\u3051\u308b\u4f5c\u696d\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u6b63\u898f\u306eID\u3067VPN\u30ed\u30b0\u30a4\u30f3\u304c\u6210\u529f\u3057\u3001\u6df1\u591c\u306b\u30b5\u30fc\u30d0\u30fc\u53c2\u7167\u304c\u5897\u3048\u3001\u5927\u91cf\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30af\u30bb\u30b9\u304c\u8d77\u304d\u308b\u6d41\u308c\u3067\u3059\u3002\u500b\u3005\u306e\u30a4\u30d9\u30f3\u30c8\u306f\u3001\u5358\u4f53\u306e\u88fd\u54c1\u306b\u306f\u6b63\u5e38\u306b\u898b\u3048\u307e\u3059\u3002<\/p>\n<p>\u8b66\u5bdf\u5e81\u304c\u628a\u63e1\u3057\u305f\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u88ab\u5bb3\u3067\u306f\u3001\u4fb5\u5165\u7d4c\u8def\u306eVPN\u6a5f\u5668\u30fb\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7d4c\u7531\u304c2025\u5e74\u306787.0%\u3067\u3057\u305f\u3002IPA\u306e\u8abf\u67fb\u30672023\u5e74\u5ea6\u306b\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u88ab\u5bb3\u3092\u53d7\u3051\u305f\u3068\u56de\u7b54\u3057\u305f\u4e2d\u5c0f\u4f01\u696d\u7b49\uff08n=419\u3001\u8907\u6570\u56de\u7b54\uff09\u3067\u306f\u3001\u624b\u53e3\u306f\u8106\u5f31\u6027\u304c48.0%\u3001ID\u30fb\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u4e0d\u6b63\u5229\u7528\u306b\u3088\u308b\u306a\u308a\u3059\u307e\u3057\u304c36.8%\u3067\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u6570\u5024\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001\u306a\u308a\u3059\u307e\u3057\u306f\u5b9a\u7fa9\u4e0a\u300c\u6b63\u898f\u306e\u8a8d\u8a3c\u300d\u3067\u3042\u308a\u3001\u8a8d\u8a3c\u30ed\u30b0\u5358\u4f53\u3067\u306f\u7570\u5e38\u3068\u3057\u3066\u6d6e\u304b\u3070\u306a\u3044\u70b9\u3067\u3059\u3002<\/p>\n<div style=\"border:2px solid #2d4f8f;border-radius:8px;background:#f2f5fb;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#2d4f8f\">\u30dd\u30a4\u30f3\u30c8<\/p>\n<ul style=\"margin:0;padding-left:20px\">\n<li>\u96c6\u3081\u308b: \u8a8d\u8a3c\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u30fb\u30b5\u30fc\u30d0\u30fc\u30fb\u30af\u30e9\u30a6\u30c9\u306e\u30ed\u30b0\u3092\u4e00\u304b\u6240\u306b\u5bc4\u305b\u308b<\/li>\n<li>\u4e26\u3079\u308b: \u5f62\u5f0f\u306e\u9055\u3046\u30ed\u30b0\u3092\u5171\u901a\u306e\u9805\u76ee\u3068\u6642\u523b\u8ef8\u306b\u305d\u308d\u3048\u308b<\/li>\n<li>\u7a81\u304d\u5408\u308f\u305b\u308b: \u5358\u4f53\u3067\u306f\u6b63\u5e38\u306b\u898b\u3048\u308b\u30a4\u30d9\u30f3\u30c8\u306e\u4e26\u3073\u304b\u3089\u7570\u5e38\u3092\u898b\u3064\u3051\u308b<\/li>\n<\/ul>\n<\/div>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/10threats\/omgdg50000008fi8-att\/kaisetsu_2026_soshiki.pdf\">IPA\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\u7d44\u7e54\u7de8 \u89e3\u8aac\u66f8<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001074768.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/sme\/nl10bi000000fbvc-att\/sme-chousa-report2024r1.pdf\">IPA\u300c2024\u5e74\u5ea6 \u4e2d\u5c0f\u4f01\u696d\u306e\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u5b9f\u614b\u8abf\u67fb\u300d<\/a><\/p>\n<h2>\u4f01\u696d\u306e98.3%\u304c\u5bfe\u7b56\u6e08\u307f\u3068\u7b54\u3048\u308b\u4e00\u65b9\u3001\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u3092\u8a18\u9332\u3057\u3066\u3044\u308b\u306e\u306f41.0%\u306b\u3068\u3069\u307e\u308b<\/h2>\n<p>SIEM\u306e\u8a71\u306e\u524d\u306b\u3001\u5206\u6790\u306e\u539f\u6599\u3068\u306a\u308b\u30ed\u30b0\u304c\u81ea\u793e\u306b\u6b8b\u3063\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u5bfe\u7b56\u306e\u5b9f\u65bd\u72b6\u6cc1\u306f\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d\u5225\u7d192 \u56f3\u88685-5\uff08\u4ee4\u548c7\u5e74\u6b04 n=2,480\uff0f\u4ee4\u548c6\u5e74\u6b04 n=2,314\uff09\u3001\u88ab\u5bb3\u306e\u72b6\u6cc1\u306f\u540c \u56f3\u88685-4\uff08\u4ee4\u548c7\u5e74\u6b04 n=2,482\uff09\u306b\u3088\u308a\u307e\u3059\u3002\u3044\u305a\u308c\u3082\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u4f01\u696d\u3092\u6bcd\u96c6\u56e3\u3068\u3059\u308b\u8907\u6570\u56de\u7b54\u3067\u3059\u3002<\/p>\n<h3>\u5bfe\u7b56\u5b9f\u65bd\u738798.3%\u306e\u5185\u8a33\u3067\u6700\u3082\u9ad8\u3044\u306e\u306f\u7aef\u672b\u306e\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b5682.0%\u3067\u3001\u8a18\u9332\u3084\u76e3\u8996\u306e\u9805\u76ee\u306f4\u5272\u53f0\u4ee5\u4e0b\u306b\u4e0b\u304c\u308b<\/h3>\n<p>\u5bfe\u7b56\u5b9f\u65bd\u738798.3%\u306e\u5185\u8a33\u3067\u6700\u3082\u9ad8\u3044\u306e\u306f\u3001\u7aef\u672b\u3078\u306e\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5c0e\u516582.0%\u3067\u3059\u3002\u8a18\u9332\u3084\u76e3\u8996\u306b\u95a2\u308f\u308b\u9805\u76ee\u306f4\u5272\u53f0\u4ee5\u4e0b\u306b\u4e0b\u304c\u308a\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u9805\u76ee<\/th>\n<th>\u5b9f\u65bd\u3057\u3066\u3044\u308b\u4f01\u696d\u306e\u5272\u5408\uff082025\u5e74\u8abf\u67fb\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4f55\u3089\u304b\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u5b9f\u65bd<\/td>\n<td>98.3%<\/td>\n<\/tr>\n<tr>\n<td>\u7aef\u672b\u306b\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5c0e\u5165<\/td>\n<td>82.0%<\/td>\n<\/tr>\n<tr>\n<td>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u7f6e\u30fb\u5c0e\u5165<\/td>\n<td>51.9%<\/td>\n<\/tr>\n<tr>\n<td>\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306e\u8a18\u9332<\/td>\n<td>41.0%<\/td>\n<\/tr>\n<tr>\n<td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u67fb\u306e\u5b9f\u65bd<\/td>\n<td>26.7%<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u7dda\u76e3\u8996<\/td>\n<td>21.7%<\/td>\n<\/tr>\n<tr>\n<td>\u4e0d\u6b63\u4fb5\u5165\u691c\u77e5\u30b7\u30b9\u30c6\u30e0\uff08IDS\uff09\u306e\u8a2d\u7f6e\u30fb\u5c0e\u5165<\/td>\n<td>20.7%<\/td>\n<\/tr>\n<tr>\n<td>\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u5bfe\u5fdc\u30de\u30cb\u30e5\u30a2\u30eb\u306e\u7b56\u5b9a<\/td>\n<td>19.7%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001074768.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d\u5225\u7d192 \u56f3\u88685-5<\/a>\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u4f01\u696d n=2,480\u3001\u8907\u6570\u56de\u7b54\uff09\u3002\u540c\u8868\u304b\u3089SIEM\u306e\u691c\u8a0e\u306b\u95a2\u4fc2\u3059\u308b\u9805\u76ee\u3092\u629c\u7c8b\u3057\u307e\u3057\u305f\uff08\u516821\u9805\u76ee\u4e2d8\u9805\u76ee\uff09\u3002<strong>\u300c\u4e0d\u6b63\u4fb5\u5165\u691c\u77e5\u30b7\u30b9\u30c6\u30e0\uff08\uff29\uff24\uff33\uff09\u300d\u306f\u3001\u8abf\u67fb\u7968\u306e\u6ce8\u8a18\u3067IPS\uff08\u4e0d\u6b63\u4fb5\u5165\u9632\u5fa1\u30b7\u30b9\u30c6\u30e0\uff09\u3092\u542b\u3080\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n<p><img decoding=\"async\" alt=\"\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u5b9f\u65bd\u9805\u76ee\u5225 \u5c0e\u5165\u7387\uff082025\u5e74\u8abf\u67fb\uff09\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/09\/fig-1.png\" \/><\/p>\n<p><mark>\u5bfe\u7b56\u5b9f\u65bd\u7387\u306f98.3%\u3067\u307b\u307c\u5168\u793e\u3067\u3059\u304c\u3001\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306e\u8a18\u9332\u306f41.0%\u3067\u3059<\/mark>\u3002\u540c\u3058\u8abf\u67fb\u306e\u88ab\u5bb3\u306e\u72b6\u6cc1\uff08\u56f3\u88685-4\u3001n=2,482\uff09\u3067\u306f\u4f55\u3089\u304b\u306e\u88ab\u5bb3\u3092\u53d7\u3051\u305f\u4f01\u696d\u304c48.1%\u3042\u308a\u3001\u5bfe\u7b56\u5b9f\u65bd\u7387\u304c\u98fd\u548c\u3059\u308b\u4e00\u65b9\u3067\u88ab\u5bb3\u7d4c\u9a13\u7387\u306f\u9ad8\u6b62\u307e\u308a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30ed\u30b0\u3092\u8a18\u9332\u3057\u3066\u3044\u308b41.0%\u3068\u3001\u305d\u308c\u3092\u898b\u308b\u884c\u70ba\u306b\u8fd1\u3044\u56de\u7dda\u76e3\u899621.7%\u306e\u9593\u306b\u7d0420\u30dd\u30a4\u30f3\u30c8\u306e\u5dee\u304c\u3042\u308b<\/h3>\n<p>SIEM\u306e\u8b70\u8ad6\u306b\u306f\u9806\u5e8f\u304c\u3042\u308a\u307e\u3059\u3002\u96c6\u7d04\u3059\u308b\u5bfe\u8c61\u306e\u30ed\u30b0\u3092\u8a18\u9332\u3057\u3066\u3044\u308b\u4f01\u696d\u304c\u300141.0%\u306b\u3068\u3069\u307e\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306e\u8a18\u9332\u306f2024\u5e74\u8abf\u67fb\u306737.8%\u30012025\u5e74\u8abf\u67fb\u306741.0%\u3067\u3057\u305f\u3002\u540c\u4e00\u8abf\u67fb\u30fb\u540c\u4e00\u8a2d\u554f\u306a\u306e\u3067\u4e26\u3079\u3089\u308c\u307e\u3059\u304c\u30013.2\u30dd\u30a4\u30f3\u30c8\u306e\u52d5\u304d\u306f\u5897\u52a0\u50be\u5411\u3068\u65ad\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u4e00\u65b9\u3001\u7d99\u7d9a\u7684\u306b\u898b\u308b\u884c\u70ba\u306b\u8fd1\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u67fb\u306f26.7%\u3001\u56de\u7dda\u76e3\u8996\u306f21.7%\u3067\u3059\uff08\u3044\u305a\u308c\u30822025\u5e74\u8abf\u67fb\uff09\u3002\u8a18\u9332\u3068\u306e\u9593\u306b\u306f<strong>\u7d0414\u301c19\u30dd\u30a4\u30f3\u30c8<\/strong>\u306e\u5dee\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001<strong>\u8a18\u9332\u306f\u3057\u3066\u3044\u308b\u304c\u8ab0\u3082\u898b\u3066\u3044\u306a\u3044\u5c64\u304c\u76f8\u5f53\u6570\u5b58\u5728\u3059\u308b<\/strong>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002SIEM\u306e\u4fa1\u5024\u306f\u3001\u3053\u306e\u8a18\u9332\u3068\u5206\u6790\u306e\u65ad\u7d76\u3092\u57cb\u3081\u308b\u3068\u3053\u308d\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<div style=\"border:2px solid #eb6834;border-radius:8px;background:#fdf3ee;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#c2521f\">\u6ce8\u610f<\/p>\n<p style=\"margin:0\">\u56f3\u88685-5\u306f\u8907\u6570\u56de\u7b54\u3067\u3001\u56de\u7b54\u8005\u306e\u89e3\u91c8\u5e45\u304c\u5927\u304d\u3044\u8a2d\u554f\u3067\u3059\u3002\u6a19\u6e96\u6a5f\u80fd\u3067\u81ea\u52d5\u4fdd\u5b58\u3055\u308c\u308b\u30ed\u30b0\u3092\u300c\u5bfe\u7b56\u300d\u3068\u8a8d\u8b58\u305b\u305a\u9078\u3070\u306a\u304b\u3063\u305f\u4f01\u696d\u3082\u3042\u308c\u3070\u3001\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u3060\u3051\u3067\u53c2\u7167\u3067\u304d\u306a\u3044\u4f01\u696d\u3082\u542b\u307e\u308c\u307e\u3059\u3002\u4e0a\u632f\u308c\u30fb\u4e0b\u632f\u308c\u306e\u4e21\u65b9\u5411\u306b\u8aa4\u5dee\u3092\u6301\u3064\u6570\u5024\u3068\u3057\u3066\u8aad\u3093\u3067\u304f\u3060\u3055\u3044\u3002<strong>\u3042\u308f\u305b\u3066\u3001\u8abf\u67fb\u7968\u306f\u300c\u5916\u90e8\u59d4\u8a17\u307e\u305f\u306f\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u306e\u5229\u7528\u306b\u3088\u3063\u3066\u5bfe\u7b56\u306e\u4e00\u90e8\u3092\u5b9f\u65bd\u3057\u3066\u3044\u308b\u5834\u5408\u3082\u5404\u9078\u629e\u80a2\u306b\u25cb\u3092\u4ed8\u3051\u308b\u300d\u3088\u3046\u6307\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u81ea\u793e\u3067\u904b\u7528\u3057\u3066\u3044\u308b\u5bfe\u7b56\u306b\u9650\u3063\u305f\u6570\u5024\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong><\/p>\n<\/div>\n<h3>SIEM\u3092\u691c\u8a0e\u3059\u308b\u524d\u306b\u78ba\u8a8d\u3059\u308b\u306e\u306f\u3001\u96c6\u7d04\u3059\u308b\u5bfe\u8c61\u306e\u30ed\u30b0\u304c\u81ea\u793e\u306b\u6b8b\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b<\/h3>\n<p>\u88fd\u54c1\u306e\u9078\u5b9a\u3088\u308a\u524d\u306b\u3001\u30ed\u30b0\u306e\u6709\u7121\u3068\u72b6\u614b\u3092\u68da\u5378\u3057\u3059\u308b\u3068\u5224\u65ad\u304c\u65e9\u304f\u306a\u308a\u307e\u3059\u3002\u539f\u6599\u304c\u306a\u3044\u72b6\u614b\u3067SIEM\u3092\u5165\u308c\u3066\u3082\u3001\u96c6\u307e\u308b\u306e\u306f\u4e00\u90e8\u306e\u30ed\u30b0\u3060\u3051\u3067\u3059\u3002<\/p>\n<p>\u7dcf\u52d9\u7701\u306e2025\u5e74\u8abf\u67fb\u306b\u306f\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7ba1\u7406\u306e\u30a2\u30a6\u30c8\u30bd\u30fc\u30b7\u30f3\u30b0\u300d20.2%\u3068\u3044\u3046\u9805\u76ee\u3082\u3042\u308a\u307e\u3059\u3002\u5916\u90e8\u306b\u76e3\u8996\u3092\u4efb\u305b\u308b\u5834\u5408\u3067\u3082\u3001\u6e21\u305b\u308b\u30ed\u30b0\u304c\u306a\u3051\u308c\u3070\u7d50\u8ad6\u306f\u540c\u3058\u3067\u3059\u3002<a href=\"https:\/\/venu-sys.co.jp\/jo-sys\/8515\/\">\u3072\u3068\u308a\u60c5\u30b7\u30b9<\/a>\u3067\u3082\u3001\u3053\u306e\u68da\u5378\u3057\u306f\u81ea\u793e\u3067\u3057\u304b\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<div style=\"border:2px solid #2d4f8f;border-radius:8px;background:#f2f5fb;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#2d4f8f\">SIEM\u691c\u8a0e\u524d\u306b\u78ba\u8a8d\u3059\u308b4\u70b9<\/p>\n<ul style=\"margin:0;padding-left:20px\">\n<li>\u3069\u306e\u6a5f\u5668\u30fb\u30b5\u30fc\u30d3\u30b9\u306e\u30ed\u30b0\u304c\u5b9f\u969b\u306b\u6b8b\u3063\u3066\u3044\u308b\u304b<\/li>\n<li>\u4fdd\u5b58\u671f\u9593\u306f\u4f55\u65e5\u5206\u304b<\/li>\n<li>\u7ba1\u7406\u8005\u304c\u53c2\u7167\u3067\u304d\u308b\u5f62\u304b<\/li>\n<li>\u6a5f\u5668\u3054\u3068\u306e\u6642\u523b\u304c\u305d\u308d\u3063\u3066\u3044\u308b\u304b<\/li>\n<\/ul>\n<\/div>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001074768.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d\u5225\u7d192<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/johotsusintokei\/statistics\/pdf\/HR202500_002.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u5831\u544a\u66f8\uff08\u4f01\u696d\u7de8\uff09\u300d\u5dfb\u672b\u306e\u8abf\u67fb\u7968<\/a><\/p>\n<h2>\u30a6\u30a4\u30eb\u30b9\u3068\u3057\u3066\u691c\u77e5\u3055\u308c\u308b\u88ab\u5bb3\u306f2017\u5e7444.1%\u304b\u30892025\u5e7422.9%\u3078\u534a\u6e1b\u3057\u3001\u5831\u544a\u3055\u308c\u305f\u4fb5\u5165\u7d4c\u8def\u306fVPN\u30fbRDP\u306b87.0%\u96c6\u4e2d\u3057\u3066\u3044\u308b<\/h2>\n<p>\u3053\u3053\u3067\u306f\u7dcf\u52d9\u7701\u306e\u4f01\u696d\u30a2\u30f3\u30b1\u30fc\u30c8\u3068\u3001\u8b66\u5bdf\u5e81\u304c\u628a\u63e1\u3057\u305f\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u88ab\u5bb3\u306e\u96c6\u8a08\u3092\u4e26\u3079\u307e\u3059\u3002\u8abf\u67fb\u4e3b\u4f53\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u540c\u3058\u6307\u6a19\u306e\u63a8\u79fb\u3068\u3057\u3066\u306f\u6271\u308f\u305a\u3001\u30b0\u30e9\u30d5\u3082\u5225\u3005\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<h3>\u300c\u30a6\u30a4\u30eb\u30b9\u3092\u767a\u898b\u53c8\u306f\u611f\u67d3\u300d\u3092\u9078\u3093\u3060\u4f01\u696d\u306f2017\u5e7444.1%\u304b\u30892025\u5e7422.9%\u3078\u534a\u6e1b\u3057\u3066\u3044\u308b<\/h3>\n<p>\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u3057\u3066\u691c\u77e5\u3055\u308c\u308b\u88ab\u5bb3\u306e\u7533\u544a\u306f\u30018\u5e74\u3067\u304a\u3088\u305d\u534a\u5206\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u7dcf\u52d9\u7701\u8abf\u67fb\u3067\u300c\u30a6\u30a4\u30eb\u30b9\u3092\u767a\u898b\u53c8\u306f\u611f\u67d3\u300d\u3092\u9078\u3093\u3060\u4f01\u696d\u306e\u5272\u5408\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u8abf\u67fb\u5e74<\/th>\n<th>\u300c\u30a6\u30a4\u30eb\u30b9\u3092\u767a\u898b\u53c8\u306f\u611f\u67d3\u300d\u3092\u9078\u629e\u3057\u305f\u4f01\u696d\u306e\u5272\u5408<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2017\u5e74<\/td>\n<td>44.1%<\/td>\n<\/tr>\n<tr>\n<td>2018\u5e74<\/td>\n<td>46.9%<\/td>\n<\/tr>\n<tr>\n<td>2021\u5e74<\/td>\n<td>31.1%<\/td>\n<\/tr>\n<tr>\n<td>2024\u5e74<\/td>\n<td>23.5%<\/td>\n<\/tr>\n<tr>\n<td>2025\u5e74<\/td>\n<td>22.9%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001074768.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d\u5225\u7d192<\/a>\u307b\u304b\u5404\u5e74\u306e\u540c\u8abf\u67fb\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u4f01\u696d\u3001\u8907\u6570\u56de\u7b54\uff09\u30022019\u5e74\u30fb2020\u5e74\u30fb2022\u5e74\u30fb2023\u5e74\u306f<strong>\u672c\u8a18\u4e8b\u3067\u53c2\u7167\u3057\u305f\u8cc7\u6599\u306b<\/strong>\u540c\u4e00\u7cfb\u5217\u306e\u5024\u304c\u53ce\u9332\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u7701\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" alt=\"\u300c\u30a6\u30a4\u30eb\u30b9\u3092\u767a\u898b\u53c8\u306f\u611f\u67d3\u300d\u3092\u9078\u629e\u3057\u305f\u4f01\u696d\u306e\u5272\u5408\u306e\u63a8\u79fb\uff082017\u301c2025\u5e74\uff09\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/09\/fig-2.png\" \/><\/p>\n<p>\u3053\u306e\u4f4e\u4e0b\u306f\u3001\u5bfe\u7b56\u304c\u52b9\u3044\u305f\u3068\u3082\u653b\u6483\u304c\u6e1b\u3063\u305f\u3068\u3082\u65ad\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002\u540c\u30582025\u5e74\u8abf\u67fb\u3067\u306f\u6a19\u7684\u578b\u30e1\u30fc\u30eb\u304c\u5c4a\u3044\u305f\u4f01\u696d\u304c31.8%\u3042\u308a\u3001\u30e1\u30fc\u30eb\u306e\u5230\u9054\u81ea\u4f53\u306f3\u5272\u3092\u8d85\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<div style=\"border:2px solid #eb6834;border-radius:8px;background:#fdf3ee;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#c2521f\">\u6ce8\u610f<\/p>\n<p style=\"margin:0\">2024\u5e74\u8abf\u67fb\u306e\u300c\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30a6\u30a4\u30eb\u30b9\u3092\u767a\u898b\u3057\u305f\u304c\u611f\u67d3\u3057\u306a\u304b\u3063\u305f\u300d20.3%\u306f\u3001\u300c\u30a6\u30a4\u30eb\u30b9\u3092\u767a\u898b\u53c8\u306f\u611f\u67d3\u300d23.5%\u306e\u5185\u8a33\u3067\u3059\u3002\u300c\u5c11\u306a\u304f\u3068\u30821\u56de\u306f\u611f\u67d3\u3057\u305f\u300d\u3068\u306e\u5408\u8a08\u304c\u89aa\u9805\u76ee\u306e\u5024\u306b\u306a\u308a\u307e\u3059\u3002\u89aa\u9805\u76ee\u306f\u4e00\u8cab\u3057\u3066\u4e21\u8005\u3092\u542b\u3080\u305f\u3081\u3001\u9078\u629e\u80a2\u304c\u5206\u5272\u3055\u308c\u3066\u5024\u304c\u4e0b\u304c\u3063\u305f\u3068\u3044\u3046\u8aac\u660e\u306f\u6210\u7acb\u3057\u307e\u305b\u3093\u3002\u4e00\u65b9\u3067\u5404\u5e74\u306e\u56de\u7b54\u4f01\u696d\u306f\u5165\u308c\u66ff\u308f\u308a\u3001\u6709\u52b9\u56de\u7b54\u6570\u3082\u5e73\u621029\u5e74\u8abf\u67fb\u306en=2,554\u304b\u3089\u4ee4\u548c7\u5e74\u8abf\u67fb\u306en=2,482\u3078\u5909\u52d5\u3057\u3066\u3044\u307e\u3059\u3002\u8907\u6570\u56de\u7b54\u306e\u9078\u629e\u7387\u3067\u3042\u308b\u3053\u3068\u3082\u542b\u3081\u3066\u8aad\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<h3>\u5831\u544a\u3055\u308c\u305f\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u4fb5\u5165\u7d4c\u8def\u306f\u3001VPN\u6a5f\u5668\u30fb\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7d4c\u7531\u304c2025\u5e74\u306787.0%<\/h3>\n<p>\u8b66\u5bdf\u5e81\u304c\u628a\u63e1\u3057\u305f\u88ab\u5bb3\u3067\u306f\u3001\u4fb5\u5165\u53e3\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u3078\u306e\u30ed\u30b0\u30a4\u30f3\u306b\u96c6\u4e2d\u3057\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002IPA\u306e\u89e3\u8aac\u66f8\u304c\u5f15\u7528\u3057\u305f\u63a8\u79fb\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u8abf\u67fb\u5e74<\/th>\n<th>VPN\u6a5f\u5668\u30fb\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7d4c\u7531\u304c\u5360\u3081\u308b\u5272\u5408<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2022\u5e74<\/td>\n<td>80.4%<\/td>\n<\/tr>\n<tr>\n<td>2023\u5e74<\/td>\n<td>81.7%<\/td>\n<\/tr>\n<tr>\n<td>2024\u5e74<\/td>\n<td>86.0%<\/td>\n<\/tr>\n<tr>\n<td>2025\u5e74<\/td>\n<td>87.0%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/10threats\/omgdg50000008fi8-att\/kaisetsu_2026_soshiki.pdf\">IPA\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\u7d44\u7e54\u7de8 \u89e3\u8aac\u66f8<\/a>\uff08\u8b66\u5bdf\u5e81\u304c\u628a\u63e1\u3057\u305f\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u88ab\u5bb3\u306e\u611f\u67d3\u7d4c\u8def\u3001\u90fd\u9053\u5e9c\u770c\u8b66\u5bdf\u304b\u3089\u306e\u5831\u544a\u306b\u57fa\u3065\u304f\uff09\u3002<strong>2023\u5e74\u306e\u5024\u306f\u540c\u89e3\u8aac\u66f8\u306e\u672c\u6587\u304c81.7%\u3001\u63b2\u8f09\u8868\u306e\u5408\u8a08\u304c81.8%\u3068\u8868\u8a18\u304c\u5206\u304b\u308c\u3066\u304a\u308a\u3001\u672c\u8a18\u4e8b\u306f\u672c\u6587\u306e\u5024\u3092\u63a1\u308a\u307e\u3057\u305f\u3002<\/strong><\/p>\n<p><img decoding=\"async\" alt=\"\u5831\u544a\u3055\u308c\u305f\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u611f\u67d3\u7d4c\u8def\u306b\u5360\u3081\u308bVPN\u6a5f\u5668\u30fb\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u5272\u5408\u306e\u63a8\u79fb\uff082022\u301c2025\u5e74\uff09\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/09\/fig-3.png\" \/><\/p>\n<p><mark>\u5831\u544a\u3055\u308c\u305f\u88ab\u5bb3\u306e\u4e2d\u3067\u306f\u30012025\u5e74\u306e\u4fb5\u5165\u7d4c\u8def\u306e87.0%\u304cVPN\u6a5f\u5668\u30fb\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7d4c\u7531\u3067\u3059<\/mark>\u3002\u540c\u30582025\u5e74\u306e\u30e1\u30fc\u30eb\u30fb\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u7d4c\u7531\u306f2.2%\u3067\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u6570\u5b57\u306f\u3001\u90fd\u9053\u5e9c\u770c\u8b66\u5bdf\u306b\u5831\u544a\u3055\u308c\u305f<a href=\"https:\/\/venu-sys.co.jp\/jo-sys\/8875\/\">\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u88ab\u5bb3<\/a>\u306b\u9650\u3089\u308c\u307e\u3059\u3002\u5831\u544a\u306b\u81f3\u3089\u306a\u304b\u3063\u305f\u88ab\u5bb3\u3084\u4ed6\u306e\u653b\u6483\u306f\u542b\u307e\u305a\u3001\u65e5\u672c\u5168\u4f53\u306e\u5272\u5408\u3068\u3057\u3066\u306f\u8aad\u3081\u307e\u305b\u3093\u3002<\/p>\n<h3>\u6b63\u898f\u306e\u30ed\u30b0\u30a4\u30f3\u3068\u3057\u3066\u5165\u3063\u3066\u304f\u308b\u4fb5\u5165\u306f\u3001\u5358\u4f53\u88fd\u54c1\u306e\u30a2\u30e9\u30fc\u30c8\u306b\u6620\u3089\u306a\u3044<\/h3>\n<p>\u3053\u306e2\u3064\u306e\u7cfb\u5217\u3092\u4e26\u3079\u3066\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001\u88ab\u5bb3\u304c\u6e1b\u3063\u305f\u306e\u3067\u306f\u306a\u304f\u4fb5\u5165\u306e\u5f62\u304c\u5909\u308f\u3063\u305f\u3068\u3044\u3046\u4eee\u8aac\u3067\u3059\u3002VPN\u3084\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3078\u306e\u30ed\u30b0\u30a4\u30f3\u306f\u3001\u6b63\u898f\u306e\u30a2\u30af\u30bb\u30b9\u3068\u533a\u5225\u304c\u3064\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u7d50\u679c\u3068\u3057\u3066\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u5b9f\u884c\u3092\u691c\u77e5\u3059\u308b\u4ed5\u7d44\u307f\u306e\u8996\u91ce\u306b\u306f\u5165\u3089\u305a\u3001\u5358\u4f53\u88fd\u54c1\u306e\u30a2\u30e9\u30fc\u30c8\u306f\u9cf4\u308a\u307e\u305b\u3093\u3002\u5831\u544a\u3055\u308c\u305f\u88ab\u5bb3\u306e\u4e2d\u3067\u306f\u3001\u3053\u306e\u7d4c\u8def\u304c2025\u5e74\u306787.0%\u3001\u30e1\u30fc\u30eb\u7d4c\u7531\u304c2.2%\u3067\u3059\u3002<\/p>\n<p>\u7570\u5e38\u3068\u5224\u65ad\u3059\u308b\u306b\u306f\u3001\u8a8d\u8a3c\u30ed\u30b0\u3068\u305d\u306e\u5f8c\u306e\u5185\u90e8\u901a\u4fe1\u3084\u30d5\u30a1\u30a4\u30eb\u30a2\u30af\u30bb\u30b9\u306e\u8a18\u9332\u3092\u7a81\u304d\u5408\u308f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<strong>IPA\u306e\u8abf\u67fb\u30672023\u5e74\u5ea6\u306b\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u88ab\u5bb3\u3092\u53d7\u3051\u305f\u3068\u56de\u7b54\u3057\u305f\u4e2d\u5c0f\u4f01\u696d\u7b49\uff08n=419\u3001\u8907\u6570\u56de\u7b54\uff09\u306b\u304a\u3044\u3066\u3001\u624b\u53e3\u306e\u3046\u3061\u306a\u308a\u3059\u307e\u3057\u304c36.8%\u3092\u5360\u3081\u308b<\/strong>\u3053\u3068\u3082\u3001\u540c\u3058\u65b9\u5411\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u30ed\u30b0\u3092\u6a2a\u65ad\u3057\u3066\u76f8\u95a2\u3092\u898b\u308b\u4ed5\u7d44\u307f\u306e\u5f79\u5272\u3067\u3059\u3002<\/p>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001074768.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d\u5225\u7d192<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/johotsusintokei\/statistics\/pdf\/HR202400_002.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c6\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u5831\u544a\u66f8\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/10threats\/omgdg50000008fi8-att\/kaisetsu_2026_soshiki.pdf\">IPA\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\u7d44\u7e54\u7de8 \u89e3\u8aac\u66f8<\/a><\/p>\n<h2>SIEM\u306fEDR\u30fbIDS\/IPS\u30fbUTM\u3068\u7af6\u5408\u305b\u305a\u3001\u305d\u308c\u3089\u304c\u51fa\u3057\u305f\u30ed\u30b0\u3092\u675f\u306d\u308b\u4f4d\u7f6e\u306b\u3042\u308b<\/h2>\n<p>SIEM\u3068\u4ed6\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u88fd\u54c1\u306f\u3001\u3069\u308c\u304c\u512a\u308c\u3066\u3044\u308b\u304b\u3068\u3044\u3046\u95a2\u4fc2\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u898b\u3066\u3044\u308b\u5bfe\u8c61\u304c\u9055\u3044\u3001SIEM\u306f\u305d\u306e\u51fa\u529b\u3092\u53d7\u3051\u53d6\u308b\u5074\u306b\u7acb\u3061\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u5b9a\u7fa9\u306f\u3001IDS\u30fbIPS\u30fbWAF\u30fbUTM\u30fbSIEM\u304c\u4e26\u8a18\u3055\u308c\u305fIPA\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\u7d44\u7e54\u7de8 \u89e3\u8aac\u66f8\u306b\u57fa\u3065\u304d\u307e\u3059\u3002<\/p>\n<h3>IDS\u306f\u691c\u77e5\u3068\u901a\u77e5\u3001IPS\u306f\u81ea\u52d5\u906e\u65ad\u307e\u3067\u884c\u3044\u3001\u3044\u305a\u308c\u3082\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u306e\u4e00\u90e8\u3092\u898b\u3066\u3044\u308b<\/h3>\n<p>IDS\u3068IPS\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u6d41\u308c\u308b\u901a\u4fe1\u3092\u76e3\u8996\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3001\u7aef\u672b\u5185\u90e8\u306e\u6319\u52d5\u3084\u30af\u30e9\u30a6\u30c9\u4e0a\u306e\u64cd\u4f5c\u306f\u8996\u91ce\u306b\u5165\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>IPA\u306e\u89e3\u8aac\u66f8\u3067\u306f\u3001IDS\uff08\u4e0d\u6b63\u4fb5\u5165\u691c\u77e5\u30b7\u30b9\u30c6\u30e0\uff09\u306f\u4e0d\u5be9\u306a\u901a\u4fe1\u3092\u691c\u77e5\u3057\u3066\u901a\u77e5\u3059\u308b\u304c\u3001\u81ea\u52d5\u3067\u306e\u30d6\u30ed\u30c3\u30af\u306f\u884c\u308f\u306a\u3044\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002IPS\uff08\u4e0d\u6b63\u4fb5\u5165\u9632\u6b62\u30b7\u30b9\u30c6\u30e0\uff09\u306f\u906e\u65ad\u307e\u3067\u81ea\u52d5\u3067\u884c\u3044\u307e\u3059\u3002\u540c\u89e3\u8aac\u66f8\u306f\u3001IPS\u306b\u306f\u6b63\u898f\u306e\u901a\u4fe1\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u304a\u305d\u308c\u3082\u3042\u308a\u3001\u7d44\u7e54\u306e\u65b9\u91dd\u3092\u8e0f\u307e\u3048\u305f\u9078\u5b9a\u304c\u5fc5\u8981\u3060\u3068\u4ed8\u8a00\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u7dcf\u52d9\u7701\u306e2025\u5e74\u8abf\u67fb\u3067\u306f\u3001IDS\u306e\u8a2d\u7f6e\u30fb\u5c0e\u5165\u304c20.7%\u3001\u56de\u7dda\u76e3\u8996\u304c21.7%\u3067\u3059\u3002<strong>\u3053\u306e\u9805\u76ee\u306f\u540c\u8abf\u67fb\u306e\u8abf\u67fb\u7968\u3067\u300cIPS\uff08\u4e0d\u6b63\u4fb5\u5165\u9632\u5fa1\u30b7\u30b9\u30c6\u30e0\uff09\u3092\u542b\u307f\u307e\u3059\u300d\u3068\u6ce8\u8a18\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u300120.7%\u306fIDS\u3068IPS\u3092\u5408\u308f\u305b\u305f\u5024\u3067\u3059\u3002SIEM\u306e\u6570\u5024\u3067\u3082IDS\u5358\u4f53\u306e\u6570\u5024\u3067\u3082\u3042\u308a\u307e\u305b\u3093<\/strong>\uff08<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/johotsusintokei\/statistics\/pdf\/HR202500_002.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u5831\u544a\u66f8\uff08\u4f01\u696d\u7de8\uff09\u300d\u5dfb\u672b\u306e\u8abf\u67fb\u7968 \u554f5\uff082\uff09\u6ce82<\/a>\uff09\u3002\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u3001\u691c\u77e5\u7d50\u679c\u3092\u4ed6\u306e\u30ed\u30b0\u3068\u3064\u306a\u3052\u308b\u5f79\u5272\u306f\u62c5\u3048\u307e\u305b\u3093\u3002<\/p>\n<h3>UTM\u306f\u8907\u6570\u306e\u6a5f\u80fd\u30921\u53f0\u306b\u307e\u3068\u3081\u305f\u88fd\u54c1\u3067\u3001\u30ed\u30b0\u306e\u76f8\u95a2\u5206\u6790\u307e\u3067\u306f\u62c5\u308f\u306a\u3044<\/h3>\n<p>UTM\u3068SIEM\u306f\u3001\u7d71\u5408\u3059\u308b\u5bfe\u8c61\u304c\u9055\u3044\u307e\u3059\u3002UTM\u306f\u6a5f\u80fd\u306e\u7d71\u5408\u3001SIEM\u306f\u30ed\u30b0\u306e\u7d71\u5408\u3067\u3059\u3002<\/p>\n<p>IPA\u306e\u89e3\u8aac\u66f8\u306b\u3088\u308b\u3068\u3001<a href=\"https:\/\/venu-sys.co.jp\/jo-sys\/9108\/\">UTM\uff08\u7d71\u5408\u8105\u5a01\u7ba1\u7406\uff09<\/a>\u306fIDS\/IPS\u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u30921\u53f0\u306b\u96c6\u3081\u305f\u88fd\u54c1\u3067\u3059\u3002\u51fa\u3066\u304f\u308b\u30ed\u30b0\u306f\u81ea\u6a5f\u306e\u89b3\u6e2c\u7bc4\u56f2\u306b\u9650\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u7dcf\u52d9\u7701\u306e2025\u5e74\u8abf\u67fb\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u7f6e\u30fb\u5c0e\u5165\u304c51.9%\u3001IDS\u304c20.7%\u3067\u3057\u305f\u3002UTM\u7d4c\u7531\u3067\u8907\u6570\u6a5f\u80fd\u304c\u5165\u308b\u4f01\u696d\u3082\u542b\u307e\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u88fd\u54c1\u540d\u30d9\u30fc\u30b9\u306e\u5c0e\u5165\u7387\u3068\u3057\u3066\u306f\u8aad\u307f\u66ff\u3048\u3089\u308c\u307e\u305b\u3093\u3002<\/p>\n<h3>EDR\u306f\u7aef\u672b\u306e\u6319\u52d5\u3001WAF\u306fWeb\u30a2\u30d7\u30ea\u3078\u306e\u5165\u529b\u3092\u898b\u308b\u3002SIEM\u306f\u305d\u306e\u51fa\u529b\u3092\u7a81\u304d\u5408\u308f\u305b\u308b<\/h3>\n<p>EDR\u3068WAF\u306f\u5b88\u5099\u7bc4\u56f2\u306e\u4e2d\u3067\u306f\u5f37\u3044\u4e00\u65b9\u3001\u7bc4\u56f2\u306e\u5916\u3067\u8d77\u304d\u305f\u51fa\u6765\u4e8b\u3068\u3064\u306a\u3052\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u7aef\u672b\u306b\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u4f01\u696d\u306f2025\u5e74\u8abf\u67fb\u306782.0%\u3068\u3001\u7aef\u672b\u5074\u306e\u76ee\u306f\u3082\u3063\u3068\u3082\u666e\u53ca\u3057\u3066\u3044\u307e\u3059\u3002WAF\u306fIPA\u306e\u89e3\u8aac\u66f8\u306b\u3088\u308b\u3068\u3001Web\u30b5\u30fc\u30d0\u30fc\u306e\u524d\u6bb5\u306a\u3069\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30d9\u30eb\u306e\u901a\u4fe1\u3092\u76e3\u8996\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u7dcf\u52d9\u7701\u306e\u540c\u3058\u8abf\u67fb\u3067\u306f\u3001WAF\u306e\u8a2d\u7f6e\u30fb\u5c0e\u5165\u306f2025\u5e74\u8abf\u67fb\u306719.5%\u30012024\u5e74\u8abf\u67fb\u306717.4%\u3067\u3057\u305f\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u4f01\u696d\u3001\u8907\u6570\u56de\u7b54\uff09\u3002<\/p>\n<p>\u4e00\u65b9\u3001IPA\u306e\u8abf\u67fb\u30672023\u5e74\u5ea6\u306b\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u88ab\u5bb3\u3092\u53d7\u3051\u305f\u3068\u56de\u7b54\u3057\u305f\u4e2d\u5c0f\u4f01\u696d\u7b49\uff08n=419\u3001\u8907\u6570\u56de\u7b54\uff09\u3067\u306f\u3001\u624b\u53e3\u306f\u8106\u5f31\u6027\u304c48.0%\u3001\u306a\u308a\u3059\u307e\u3057\u304c36.8%\u3067\u3057\u305f\u3002\u7aef\u672b\u3084Web\u30a2\u30d7\u30ea\u306e\u624b\u524d\u3060\u3051\u3067\u306f\u8ffd\u3044\u304d\u308c\u307e\u305b\u3093\u3002SIEM\u306f\u3053\u308c\u3089\u3092\u7f6e\u304d\u63db\u3048\u305a\u3001\u5404\u88fd\u54c1\u306e\u30ed\u30b0\u3092\u540c\u3058\u6642\u9593\u8ef8\u306b\u4e26\u3079\u3066\u7a81\u304d\u5408\u308f\u305b\u307e\u3059\u3002<\/p>\n<h3>SOC\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u8996\u306e\u5916\u90e8\u59d4\u8a17\u306f\u4f53\u5236\u306e\u8a71\u3067\u3001SIEM\u3068\u3044\u3046\u9053\u5177\u3068\u306f\u4ee3\u66ff\u95a2\u4fc2\u306b\u306a\u3044<\/h3>\n<p>\u300cSIEM\u3092\u5165\u308c\u308b\u304b\u3001\u5916\u90e8\u306b\u4efb\u305b\u308b\u304b\u300d\u306f\u4e8c\u629e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5916\u90e8\u306b\u59d4\u8a17\u3059\u308b\u5834\u5408\u3067\u3082\u3001\u6e21\u3059\u30ed\u30b0\u3092\u96c6\u7d04\u3059\u308b\u4ed5\u7d44\u307f\u306f\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u7dcf\u52d9\u7701\u306e2025\u5e74\u8abf\u67fb\u3067\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7ba1\u7406\u306e\u30a2\u30a6\u30c8\u30bd\u30fc\u30b7\u30f3\u30b0\u306f20.2%\u3067\u3059\u3002IPA\u306e\u4e2d\u5c0f\u4f01\u696d\u5b9f\u614b\u8abf\u67fb\uff082024\u5e74\u3001n=4,191\uff09\u3067\u306f\u3001\u5c02\u9580\u90e8\u7f72\uff08\u62c5\u5f53\u8005\uff09\u304c\u3042\u308b\u306e\u306f9.3%\u3067\u3057\u305f\u3002\u517c\u52d9\u3060\u304c\u62c5\u5f53\u8005\u304c\u4efb\u547d\u3055\u308c\u3066\u3044\u308b\u306e\u306f21.0%\u3067\u3059\u3002\u8abf\u67fb\u4e3b\u4f53\u3082\u6bcd\u96c6\u56e3\u3082\u7570\u306a\u308b\u305f\u3081\u3001\u4e26\u7f6e\u3057\u3066\u3044\u308b\u3060\u3051\u3067\u8db3\u3057\u305f\u308a\u5272\u3063\u305f\u308a\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u3053\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001\u9053\u5177\u3068\u4f53\u5236\u306f\u5225\u306e\u610f\u601d\u6c7a\u5b9a\u3067\u3042\u308a\u3001\u3069\u3061\u3089\u304b\u4e00\u65b9\u3060\u3051\u3067\u306f\u904b\u7528\u304c\u56de\u3089\u306a\u3044\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p>\n<div style=\"border:2px solid #2d4f8f;border-radius:8px;background:#f2f5fb;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#2d4f8f\">\u305d\u308c\u305e\u308c\u304c\u898b\u3066\u3044\u308b\u3082\u306e<\/p>\n<ul style=\"margin:0;padding-left:20px\">\n<li>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb: \u901a\u4fe1\u306e\u5b9b\u5148\u3084\u30dd\u30fc\u30c8<\/li>\n<li>IDS\/IPS: \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u6d41\u308c\u308b\u901a\u4fe1\u306e\u4e2d\u8eab<\/li>\n<li>UTM: \u4e0a\u8a18\u30921\u53f0\u306b\u307e\u3068\u3081\u305f\u7bc4\u56f2<\/li>\n<li>EDR\u30fb\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56: \u7aef\u672b\u306e\u6319\u52d5<\/li>\n<li>WAF: Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3078\u306e\u5165\u529b<\/li>\n<li>SIEM: \u4e0a\u8a18\u3059\u3079\u3066\u304c\u51fa\u3057\u305f\u30ed\u30b0\u306e\u5168\u4f53<\/li>\n<\/ul>\n<\/div>\n<p><img decoding=\"async\" alt=\"SIEM\u3068\u5404\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u88fd\u54c1\u306e\u5f79\u5272\u306e\u9055\u3044\uff08\u6982\u5ff5\u56f3\uff09\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/09\/fig-8.png\" \/><\/p>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/10threats\/omgdg50000008fi8-att\/kaisetsu_2026_soshiki.pdf\">IPA\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\u7d44\u7e54\u7de8 \u89e3\u8aac\u66f8<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001074768.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d\u5225\u7d192<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/johotsusintokei\/statistics\/pdf\/HR202500_002.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u5831\u544a\u66f8\uff08\u4f01\u696d\u7de8\uff09\u300d\u5dfb\u672b\u306e\u8abf\u67fb\u7968<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/sme\/nl10bi000000fbvc-att\/sme-chousa-report2024r1.pdf\">IPA\u300c2024\u5e74\u5ea6 \u4e2d\u5c0f\u4f01\u696d\u306e\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u5b9f\u614b\u8abf\u67fb\u300d<\/a><\/p>\n<h2>SIEM\u306e\u5c0e\u5165\u7387\u3092\u793a\u3059\u5b98\u516c\u5e81\u7d71\u8a08\u306f\u5b58\u5728\u305b\u305a\u3001\u516c\u7684\u8abf\u67fb\u306f\u30ed\u30b0\u3092\u300c\u8a18\u9332\u3057\u3066\u3044\u308b\u304b\u300d\u307e\u3067\u3057\u304b\u554f\u3046\u3066\u3044\u306a\u3044<\/h2>\n<p>\u3053\u306e\u8a18\u4e8b\u306bSIEM\u306e\u5c0e\u5165\u7387\u304c\u51fa\u3066\u3053\u306a\u3044\u306e\u306f\u3001\u8abf\u3079\u3066\u3044\u306a\u3044\u304b\u3089\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<mark>\u4eca\u56de\u53c2\u7167\u3057\u305f\u516c\u7684\u7d71\u8a08\u306b\u300cSIEM\u300d\u3068\u3044\u3046\u8abf\u67fb\u9805\u76ee\u304c\u5b58\u5728\u3057\u306a\u3044\u305f\u3081\u3067\u3059<\/mark>\u3002\u6bcd\u96c6\u56e3\u304c\u660e\u793a\u3055\u308c\u306a\u3044\u30d9\u30f3\u30c0\u30fc\u8abf\u67fb\u5024\u3082\u51fa\u56de\u308a\u307e\u3059\u304c\u3001\u672c\u8a18\u4e8b\u3067\u306f\u4f7f\u3044\u307e\u305b\u3093\u3002<\/p>\n<h3>\u7dcf\u52d9\u7701\u8abf\u67fb\u306e\u5bfe\u7b56\u9805\u76ee\u306b\u306fIDS\u3084\u56de\u7dda\u76e3\u8996\u307e\u3067\u4e26\u3076\u304c\u3001\u300cSIEM\u300d\u3068\u3044\u3046\u9078\u629e\u80a2\u306f\u5b58\u5728\u3057\u306a\u3044<\/h3>\n<p>\u7dcf\u52d9\u7701\u306e\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u306f\u76e3\u8996\u3084\u904b\u7528\u306e\u5bfe\u7b56\u3092\u7d30\u304b\u304f\u805e\u3044\u3066\u3044\u307e\u3059\u304c\u3001SIEM\u3068\u3044\u3046\u9078\u629e\u80a2\u3060\u3051\u304c\u3042\u308a\u307e\u305b\u3093\u30022025\u5e74\u8abf\u67fb\u3067\u4e26\u3076\u9805\u76ee\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u8abf\u67fb\u9805\u76ee\uff082025\u5e74\u8abf\u67fb\uff09<\/th>\n<th>\u5b9f\u65bd\u3057\u3066\u3044\u308b\u4f01\u696d\u306e\u5272\u5408<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306e\u8a18\u9332<\/td>\n<td>41.0%<\/td>\n<\/tr>\n<tr>\n<td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u67fb\u306e\u5b9f\u65bd<\/td>\n<td>26.7%<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u7dda\u76e3\u8996<\/td>\n<td>21.7%<\/td>\n<\/tr>\n<tr>\n<td>\u4e0d\u6b63\u4fb5\u5165\u691c\u77e5\u30b7\u30b9\u30c6\u30e0\uff08IDS\uff09\u306e\u8a2d\u7f6e\u30fb\u5c0e\u5165<\/td>\n<td>20.7%<\/td>\n<\/tr>\n<tr>\n<td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7ba1\u7406\u306e\u30a2\u30a6\u30c8\u30bd\u30fc\u30b7\u30f3\u30b0<\/td>\n<td>20.2%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001074768.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d\u5225\u7d192 \u56f3\u88685-5<\/a>\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u4f01\u696d n=2,480\u3001\u8907\u6570\u56de\u7b54\uff09<\/p>\n<p>\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001\u30ed\u30b0\u306e\u76f8\u95a2\u5206\u6790\u304c\u516c\u7684\u306a\u8abf\u67fb\u9805\u76ee\u3068\u3057\u3066\u7acb\u3063\u3066\u3044\u306a\u3044\u73fe\u72b6\u3067\u3059\u3002\u8cc7\u6599\u306e\u5c0e\u5165\u7387\u306f\u3001\u6bcd\u96c6\u56e3\u3068\u6570\u3048\u65b9\u3092\u78ba\u304b\u3081\u3066\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div style=\"border:2px solid #eb6834;border-radius:8px;background:#fdf3ee;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#c2521f\">\u6ce8\u610f<\/p>\n<p style=\"margin:0\">\u3053\u308c\u306f\u4eca\u56de\u53c2\u7167\u3057\u305f\u516c\u7684\u7d71\u8a08\u306e\u8a2d\u554f\u306b\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u610f\u5473\u3067\u3001\u300c\u65e5\u672c\u306b\u7d71\u8a08\u304c\u5b58\u5728\u3057\u306a\u3044\u300d\u3068\u306f\u65ad\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002\u53c2\u7167\u7bc4\u56f2\u5916\u306e\u6c11\u9593\u8abf\u67fb\u3084\u767d\u66f8\u306b\u8a72\u5f53\u9805\u76ee\u304c\u3042\u308b\u53ef\u80fd\u6027\u306f\u6b8b\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<h3>\u516c\u7684\u8abf\u67fb\u306f\u30ed\u30b0\u306e\u4fdd\u5b58\u671f\u9593\u30fb\u76e3\u8996\u8005\u30fb\u76f8\u95a2\u5206\u6790\u306e\u6709\u7121\u3092\u554f\u3046\u3066\u304a\u3089\u305a\u300141.0%\u306e\u5185\u8a33\u306f\u5206\u304b\u3089\u306a\u3044<\/h3>\n<p>\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306e\u8a18\u933241.0%\u306e\u3046\u3061\u3001\u8a18\u9332\u3059\u308b\u3060\u3051\u3067\u8ab0\u3082\u898b\u3066\u3044\u306a\u3044\u4f01\u696d\u304c\u4f55\u5272\u304b\u306f\u3001\u516c\u7684\u306a\u30c7\u30fc\u30bf\u304b\u3089\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u7406\u7531\u306f\u8a2d\u554f\u306e\u4f5c\u308a\u306b\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8abf\u67fb\u306f\u300c\u8a18\u9332\u3057\u3066\u3044\u308b\u304b\u300d\u3060\u3051\u3092\u554f\u3044\u3001\u4fdd\u5b58\u671f\u9593\u30fb\u4fdd\u5b58\u5bfe\u8c61\u30fb\u53c2\u7167\u53ef\u5426\u306f\u554f\u3046\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>2024\u5e74\u8abf\u67fb\u306e37.8%\u30682025\u5e74\u8abf\u67fb\u306e41.0%\u3092\u6bd4\u3079\u3066\u3082\u3001\u5185\u8a33\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u3002\u56de\u7dda\u76e3\u899621.7%\uff082025\u5e74\u8abf\u67fb\uff09\u3068\u306e\u5dee\u304b\u3089\u898b\u3066\u3044\u306a\u3044\u5c64\u306f\u63a8\u6e2c\u3067\u304d\u3066\u3082\u3001\u305d\u306e\u898f\u6a21\u306f\u7279\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u3053\u304b\u3089\u8a00\u3048\u308b\u306e\u306f\u3001\u3053\u306e\u7a7a\u767d\u304c\u8abf\u67fb\u306e\u4e0d\u5099\u3067\u306f\u306a\u304f\u8a2d\u554f\u8a2d\u8a08\u306b\u7531\u6765\u3059\u308b\u70b9\u3067\u3059\u3002<\/p>\n<h3>\u540c\u3058\u300c\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u88ab\u5bb3\u300d\u3067\u3082IPA\u8abf\u67fb10.0%\u3068\u7dcf\u52d9\u7701\u8abf\u67fb4.1%\u30672\u500d\u4ee5\u4e0a\u958b\u304d\u3001\u516c\u7684\u7a93\u53e3\u3078\u306e\u5c4a\u51fa\u306f2025\u5e74\u306b109\u4ef6<\/h3>\n<p>\u540c\u3058\u8a00\u8449\u3067\u547c\u3070\u308c\u308b\u88ab\u5bb3\u3067\u3082\u3001\u8ab0\u304c\u3069\u3046\u6570\u3048\u305f\u304b\u3067\u5024\u306f\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u8abf\u67fb\u30fb\u7a93\u53e3<\/th>\n<th>\u6570\u5024<\/th>\n<th>\u6bcd\u96c6\u56e3\u30fb\u6761\u4ef6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>IPA \u4e2d\u5c0f\u4f01\u696d\u5b9f\u614b\u8abf\u67fb\uff082023\u5e74\u5ea6\uff09<\/td>\n<td>10.0%<\/td>\n<td>\u4e2d\u5c0f\u4f01\u696d\u7b49 n=4,191<\/td>\n<\/tr>\n<tr>\n<td>\u7dcf\u52d9\u7701 \u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\uff082025\u5e74\uff09<\/td>\n<td>4.1%<\/td>\n<td>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u4f01\u696d n=2,482\u3001\u8907\u6570\u56de\u7b54<\/td>\n<\/tr>\n<tr>\n<td>\u7dcf\u52d9\u7701 \u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\uff082024\u5e74\uff09<\/td>\n<td>3.9%<\/td>\n<td>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u4f01\u696d n=2,312\u3001\u8907\u6570\u56de\u7b54<\/td>\n<\/tr>\n<tr>\n<td>IPA\u3078\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u5c4a\u51fa\uff082025\u5e74\uff09<\/td>\n<td>109\u4ef6<\/td>\n<td>\u53d7\u7406\u4ef6\u6570<\/td>\n<\/tr>\n<tr>\n<td>IPA\u3078\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u5c4a\u51fa\uff082024\u5e74\uff09<\/td>\n<td>166\u4ef6<\/td>\n<td>\u53d7\u7406\u4ef6\u6570\uff08\u524d\u5e74\u5024\uff09<\/td>\n<\/tr>\n<tr>\n<td>JPCERT\/CC\u3078\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u95a2\u9023\u306e\u5831\u544a\uff082025\u5e74\uff09<\/td>\n<td>68,853\u4ef6<\/td>\n<td>\u4f9d\u983c\u4ef6\u6570<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/sme\/nl10bi000000fbvc-att\/sme-chousa-report2024r1.pdf\">IPA\u300c2024\u5e74\u5ea6 \u4e2d\u5c0f\u4f01\u696d\u306e\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u5b9f\u614b\u8abf\u67fb\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001074768.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d\u5225\u7d192<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001059979.pdf\">\u8b66\u5bdf\u5e81\u307b\u304b\u300c\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u884c\u70ba\u306e\u767a\u751f\u72b6\u6cc1\u7b49\u300d<\/a><\/p>\n<p>\u5272\u5408\u306e\u5dee\u306f\u8a2d\u554f\u8a2d\u8a08\u3067\u8aac\u660e\u304c\u3064\u304d\u307e\u3059\u3002IPA\u306f\u88ab\u5bb3\u985e\u578b\u3054\u3068\u306b\u5c0b\u306d\u3001\u7dcf\u52d9\u7701\u306f\u8907\u6570\u56de\u7b54\u306e\u30ea\u30b9\u30c8\u304b\u3089\u9078\u3070\u305b\u308b\u305f\u3081\u3001\u5f8c\u8005\u306f\u5024\u304c\u4f4e\u304f\u51fa\u307e\u3059\u3002\u8abf\u67fb\u5e74\u3068\u6bcd\u96c6\u56e3\u3082\u9055\u3044\u307e\u3059\u3002<\/p>\n<p>\u5c4a\u51fa\u4ef6\u6570\u306f2025\u5e74\u540c\u58eb\u3067\u6bd4\u3079\u3066\u3082109\u4ef6\u306868,853\u4ef6\u3067\u6841\u304c\u9055\u3044\u307e\u3059\u3002\u5358\u4f4d\u3082\u6bcd\u96c6\u56e3\u3082\u9055\u3046\u305f\u3081\u3001\u77db\u76fe\u3068\u306f\u65ad\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002\u6570\u3048\u65b9\u306e\u9055\u3044\u3068\u3057\u3066\u4e26\u3079\u3066\u3044\u307e\u3059\u3002\u5916\u90e8\u7d71\u8a08\u3092\u3069\u308c\u3060\u3051\u8aad\u3093\u3067\u3082\u3001\u81ea\u793e\u306e\u72b6\u614b\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001074768.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d\u5225\u7d192<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/sme\/nl10bi000000fbvc-att\/sme-chousa-report2024r1.pdf\">IPA\u300c2024\u5e74\u5ea6 \u4e2d\u5c0f\u4f01\u696d\u306e\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u5b9f\u614b\u8abf\u67fb\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001059979.pdf\">\u8b66\u5bdf\u5e81\u307b\u304b\u300c\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u884c\u70ba\u306e\u767a\u751f\u72b6\u6cc1\u7b49\u300d<\/a><\/p>\n<h2>\u88ab\u5bb3\u3092\u81ea\u899a\u3057\u3066\u3044\u308b\u4f01\u696d\u306e\u5272\u5408\u306f\u898f\u6a21\u306728\u30dd\u30a4\u30f3\u30c8\u9055\u3044\u3001\u4e2d\u5c0f\u4f01\u696d\u306e44.2%\u306f\u4e0b\u9650\u5024\u3068\u3057\u3066\u8aad\u3080<\/h2>\n<p>\u898f\u6a21\u5225\u306e\u88ab\u5bb3\u7387\u306f\u3001\u88ab\u5bb3\u306e\u591a\u3055\u3060\u3051\u3092\u8868\u3057\u305f\u6570\u5b57\u3067\u306f\u306a\u304f\u3001\u6c17\u3065\u3051\u3066\u3044\u308b\u5ea6\u5408\u3044\u3082\u542b\u307f\u307e\u3059\u3002\u3053\u306e\u7ae0\u306e\u7dcf\u52d9\u7701\u306e\u88ab\u5bb3\u7d4c\u9a13\u7387\u3068IPA\u306e\u4f53\u5236\u30c7\u30fc\u30bf\u306f\u8abf\u67fb\u4e3b\u4f53\u3082\u6bcd\u96c6\u56e3\u3082\u5225\u306a\u306e\u3067\u3001\u6df7\u305c\u3066\u8a08\u7b97\u306f\u3057\u307e\u305b\u3093\u3002<\/p>\n<h3>\u5f93\u696d\u8005\u898f\u6a21\u5225\u306e\u88ab\u5bb3\u7d4c\u9a13\u7387\u306f5,000\u4eba\u4ee5\u4e0a72.9%\u3001100\u301c299\u4eba44.2%\u3067\u7d0428\u30dd\u30a4\u30f3\u30c8\u306e\u5dee<\/h3>\n<p>\u793a\u3055\u308c\u305f\u533a\u5206\u3067\u306f\u3001\u898f\u6a21\u304c\u5927\u304d\u3044\u307b\u3069\u88ab\u5bb3\u7d4c\u9a13\u7387\u304c\u9ad8\u3044\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u7d30\u304b\u3044\u533a\u5206\u3067\u898b\u308b\u3068\u30013,000\u301c4,999\u4eba\u306e\u88ab\u5bb3\u7d4c\u9a13\u7387\u304c5,000\u4eba\u4ee5\u4e0a\u306e72.9%\u3092\u4e0a\u56de\u308a\u3001\u6700\u4e0a\u4f4d\u306e\u533a\u5206\u3067\u9006\u8ee2\u3057\u307e\u3059\u30022024\u5e74\u8abf\u67fb\u306e\u5024\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5f93\u696d\u8005\u898f\u6a21<\/th>\n<th>\u4f55\u3089\u304b\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u88ab\u5bb3\u3092\u53d7\u3051\u305f\u4f01\u696d\u306e\u5272\u5408\uff082024\u5e74\u8abf\u67fb\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>5,000\u4eba\u4ee5\u4e0a<\/td>\n<td>72.9%<\/td>\n<\/tr>\n<tr>\n<td>2,000\u4eba\u4ee5\u4e0a<\/td>\n<td>69.5%<\/td>\n<\/tr>\n<tr>\n<td>300\u4eba\u4ee5\u4e0a\u8a08<\/td>\n<td>50.2%<\/td>\n<\/tr>\n<tr>\n<td>100\u301c299\u4eba<\/td>\n<td>44.2%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/johotsusintokei\/statistics\/pdf\/HR202400_002.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c6\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u5831\u544a\u66f8\u300d\u56f3\u88685-2<\/a>\u3002300\u4eba\u4ee5\u4e0a\u8a08\u30fb2,000\u4eba\u4ee5\u4e0a\u8a08\u306f\u7d2f\u8a08\u533a\u5206\u3067\u30015,000\u4eba\u4ee5\u4e0a\u3092\u542b\u307f\u307e\u3059\u30025,000\u4eba\u4ee5\u4e0a\u306fn=38\u3001<strong>\u9006\u8ee2\u304c\u751f\u3058\u3066\u3044\u308b3,000\u301c4,999\u4eba\u306fn=22<\/strong>\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" alt=\"\u4f55\u3089\u304b\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u88ab\u5bb3\u3092\u53d7\u3051\u305f\u4f01\u696d\u306e\u5272\u5408\uff08\u5f93\u696d\u8005\u898f\u6a21\u5225\u30fb2024\u5e74\u8abf\u67fb\uff09\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/09\/fig-4.png\" \/><\/p>\n<p>2025\u5e74\u8abf\u67fb\u3082\u540c\u3058\u50be\u5411\u3067\u30012,000\u4eba\u4ee5\u4e0a\u304c64.9%\u3001100\u301c299\u4eba\u304c45.6%\u3067\u3059\u3002\u696d\u7a2e\u5225\u3067\u306f2024\u5e74\u8abf\u67fb\u3067\u5efa\u8a2d\u696d57.5%\u3001\u60c5\u5831\u901a\u4fe1\u696d53.3%\u3067\u3057\u305f\u3002<\/p>\n<h3>\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5c02\u9580\u90e8\u7f72\u307e\u305f\u306f\u5c02\u4efb\u62c5\u5f53\u8005\u304c\u3042\u308b\u4e2d\u5c0f\u4f01\u696d\u306f9.3%\u3001\u5c0f\u898f\u6a21\u4f01\u696d\u8005\u3067\u306f4.4%<\/h3>\n<p>\u898f\u6a21\u304c\u4e0b\u304c\u308b\u307b\u3069\u88ab\u5bb3\u7387\u3082\u4e0b\u304c\u308b\u4e00\u65b9\u3001\u898b\u308b\u4eba\u304c\u3044\u308b\u5272\u5408\u306e\u4e0b\u304c\u308a\u65b9\u306f\u305d\u308c\u3088\u308a\u6025\u3067\u3059\u3002IPA\u306e\u4e2d\u5c0f\u4f01\u696d\u5b9f\u614b\u8abf\u67fb\uff082024\u5e74\u3001Web\u30e2\u30cb\u30bf\u8abf\u67fb n=4,191\uff09\u306e\u5024\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u533a\u5206<\/th>\n<th>\u5c02\u9580\u90e8\u7f72\uff08\u62c5\u5f53\u8005\uff09\u304c\u3042\u308b<\/th>\n<th>\u517c\u52d9\u3060\u304c\u62c5\u5f53\u8005\u304c\u4efb\u547d\u3055\u308c\u3066\u3044\u308b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4e2d\u5c0f\u4f01\u696d\u7b49 \u5168\u4f53<\/td>\n<td>9.3%<\/td>\n<td>21.0%<\/td>\n<\/tr>\n<tr>\n<td>\u4e2d\u5c0f\u4f01\u696d\uff08101\u540d\u4ee5\u4e0a\uff09<\/td>\n<td>34.6%<\/td>\n<td>51.9%<\/td>\n<\/tr>\n<tr>\n<td>\u4e2d\u5c0f\u4f01\u696d\uff08100\u540d\u4ee5\u4e0b\uff09<\/td>\n<td>14.8%<\/td>\n<td>37.6%<\/td>\n<\/tr>\n<tr>\n<td>\u5c0f\u898f\u6a21\u4f01\u696d\u8005<\/td>\n<td>4.4%<\/td>\n<td>11.1%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/sme\/nl10bi000000fbvc-att\/sme-chousa-report2024r1.pdf\">IPA\u300c2024\u5e74\u5ea6 \u4e2d\u5c0f\u4f01\u696d\u306e\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u5b9f\u614b\u8abf\u67fb\u300d\u56f33-28\u30fb\u56f33-121<\/a>\uff08n=4,191\u3001\u5c0f\u898f\u6a21\u4f01\u696d\u8005\u306f\u5546\u696d\u30fb\u30b5\u30fc\u30d3\u30b9\u696d1\u301c5\u540d\u3001\u88fd\u9020\u696d\u305d\u306e\u4ed61\u301c20\u540d\uff09<\/p>\n<p><img decoding=\"async\" alt=\"\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u4f53\u5236\uff08\u4f01\u696d\u898f\u6a21\u5225\u30fb2024\u5e74\u8abf\u67fb\uff09\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/09\/fig-5.png\" \/><\/p>\n<p>\u5c02\u9580\u90e8\u7f72\uff08\u62c5\u5f53\u8005\uff09\u304c\u3042\u308b\u5272\u5408\u306f\u3001\u4e2d\u5c0f\u4f01\u696d101\u540d\u4ee5\u4e0a\u306734.6%\u3001\u5c0f\u898f\u6a21\u4f01\u696d\u8005\u30674.4%\u3068\u7d048\u500d\u306e\u958b\u304d\u304c\u3042\u308a\u307e\u3059\u3002\u540c\u3058\u8abf\u67fb\u3067\u306f\u3001\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u300c\u7d44\u7e54\u7684\u306b\u306f\u884c\u3063\u3066\u3044\u306a\u3044\uff08\u5404\u81ea\u306e\u5bfe\u5fdc\uff09\u300d\u3068\u7b54\u3048\u305f\u4e2d\u5c0f\u4f01\u696d\u7b49\u304c2024\u5e74\u6642\u70b9\u3067\u5168\u4f53\u306e69.7%\u3001\u5c0f\u898f\u6a21\u4f01\u696d\u8005\u3067\u306f84.5%\u3067\u3057\u305f\u3002<\/p>\n<div style=\"border:2px solid #eb6834;border-radius:8px;background:#fdf3ee;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#c2521f\">\u6ce8\u610f<\/p>\n<p style=\"margin:0\">\u3053\u306e\u8abf\u67fb\u306fWeb\u30a2\u30f3\u30b1\u30fc\u30c8\u30e2\u30cb\u30bf\u3092\u7528\u3044\u3066\u304a\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3078\u306e\u95a2\u5fc3\u304c\u9ad8\u3044\u5c64\u306b\u504f\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3001\u5b9f\u969b\u306e\u4f53\u5236\u6574\u5099\u7387\u306f\u793a\u3055\u308c\u305f\u5024\u3088\u308a\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<h3>\u4e2d\u5c0f\u4f01\u696d\u306e\u88ab\u5bb3\u7387\u306e\u4f4e\u3055\u306f\u300c\u8d77\u304d\u3066\u3044\u306a\u3044\u300d\u3067\u306f\u306a\u304f\u300c\u6c17\u3065\u3051\u3066\u3044\u306a\u3044\u300d\u53ef\u80fd\u6027\u3092\u542b\u3080<\/h3>\n<p>\u3053\u306e\u8aad\u307f\u65b9\u306f\u3001\u8abf\u67fb\u3092\u5b9f\u65bd\u3057\u305fIPA\u81ea\u8eab\u304c\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u540c\u5831\u544a\u66f8\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f53\u5236\u6574\u5099\u306e\u6709\u7121\u306b\u3088\u3063\u3066\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306e\u88ab\u5bb3\u7d4c\u9a13\u3084\u88ab\u5bb3\u984d\u306e\u4f4e\u6e1b\u306b\u52b9\u679c\u306f\u898b\u3089\u308c\u306a\u304b\u3063\u305f\u3068\u3057\u305f\u3046\u3048\u3067\u3001\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f53\u5236\u304c\u6574\u3063\u3066\u304a\u3089\u305a\u3001\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u308b\u6a5f\u4f1a\u304c\u5c11\u306a\u3044\u3053\u3068\u304c\u8003\u3048\u3089\u308c\u308b\u300d\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\uff08<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/sme\/nl10bi000000fbvc-att\/sme-chousa-report2024r1.pdf\">IPA\u300c2024\u5e74\u5ea6 \u4e2d\u5c0f\u4f01\u696d\u306b\u304a\u3051\u308b\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306b\u95a2\u3059\u308b\u5b9f\u614b\u8abf\u67fb\u300dp.227<\/a>\uff09\u3002\u88cf\u8fd4\u305b\u3070\u3001\u4f53\u5236\u3092\u6574\u3048\u308c\u3070\u88ab\u5bb3\u304c\u6e1b\u308b\u3068\u3044\u3046\u95a2\u4fc2\u3082\u540c\u5831\u544a\u66f8\u3067\u306f\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u3053\u304b\u3089\u306f\u898b\u89e3\u3067\u3059\u3002\u88ab\u5bb3\u7d4c\u9a13\u7387\u306f\u5b9f\u969b\u306b\u8d77\u304d\u305f\u88ab\u5bb3\u3067\u306f\u306a\u304f\u3001\u4f01\u696d\u304c\u81ea\u899a\u3057\u3066\u3044\u308b\u88ab\u5bb3\u306e\u6570\u5b57\u3067\u3059\u3002\u898b\u308b\u4eba\u304c\u3044\u306a\u3044\u4f01\u696d\u3067\u306f\u4f4e\u304f\u51fa\u308b\u69cb\u9020\u7684\u306a\u304b\u305f\u3088\u308a\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a100\u301c299\u4eba\u306e44.2%\uff082024\u5e74\u8abf\u67fb\uff09\u306f\u4e0b\u9650\u5024\u3068\u3057\u3066\u8aad\u3080\u306e\u304c\u5b89\u5168\u3067\u3059\u3002\u5c02\u9580\u90e8\u7f72\uff08\u62c5\u5f53\u8005\uff09\u304c4.4%\u3057\u304b\u306a\u304f\u3001\u300c\u7d44\u7e54\u7684\u306b\u306f\u884c\u3063\u3066\u3044\u306a\u3044\u300d\u304c84.5%\u3092\u5360\u3081\u308b\u5c0f\u898f\u6a21\u4f01\u696d\u8005\u3067\u306f\u3001\u305a\u308c\u306f\u3055\u3089\u306b\u5927\u304d\u304f\u306a\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u53c2\u8003\u3068\u3057\u3066\u3001IPA\u306e\u8abf\u67fb\u3067\u306f2023\u5e74\u5ea6\u306e\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u611f\u67d3\u88ab\u5bb3\u304c8.3%\u3067\u3057\u305f\u3002\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u88ab\u5bb3\u306f10.0%\u3067\u3059\uff08\u3044\u305a\u308c\u3082\u4e2d\u5c0f\u4f01\u696d\u7b49\uff09\u3002\u7dcf\u52d9\u7701\u306e\u6570\u5024\u3068\u306f\u8abf\u67fb\u4e3b\u4f53\u30fb\u6bcd\u96c6\u56e3\u30fb\u5e74\u304c\u9055\u3046\u305f\u3081\u3001\u4e26\u7f6e\u306b\u3068\u3069\u3081\u307e\u3059\u3002<\/p>\n<p>\u53cd\u8a3c\u3082\u3042\u308a\u307e\u3059\u3002\u5927\u4f01\u696d\u306e\u9ad8\u3044\u88ab\u5bb3\u7387\u306f\u3001\u691c\u77e5\u80fd\u529b\u306e\u5dee\u3067\u306f\u306a\u304f\u72d9\u308f\u308c\u3084\u3059\u3055\u3067\u3082\u8aac\u660e\u3067\u304d\u307e\u3059\u3002\u3069\u3061\u3089\u304c\u3069\u308c\u3060\u3051\u52b9\u3044\u3066\u3044\u308b\u304b\u306f\u5224\u5225\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u5b9f\u52d9\u306e\u898b\u65b9\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002\u4eba\u624b\u306b\u3088\u308b\u76e3\u8996\u306e\u7dcf\u91cf\u3092\u5897\u3084\u305b\u306a\u3044\u898f\u6a21\u5e2f\u3067\u306f\u3001\u30ed\u30b0\u3092\u96c6\u3081\u3066\u6a5f\u68b0\u7684\u306b\u76f8\u95a2\u3092\u53d6\u308b\u4ed5\u7d44\u307f\u304c\u3001\u7570\u5e38\u306b\u6c17\u3065\u304f\u6a5f\u4f1a\u3092\u5897\u3084\u3059\u624b\u6bb5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/johotsusintokei\/statistics\/pdf\/HR202400_002.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c6\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u5831\u544a\u66f8\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/johotsusintokei\/statistics\/pdf\/HR202500_002.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u5831\u544a\u66f8\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/sme\/nl10bi000000fbvc-att\/sme-chousa-report2024r1.pdf\">IPA\u300c2024\u5e74\u5ea6 \u4e2d\u5c0f\u4f01\u696d\u306e\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u5b9f\u614b\u8abf\u67fb\u300d<\/a><\/p>\n<h2>JPCERT\/CC\u3078\u306e\u5831\u544a\u4ef6\u6570\u306f2019\u5e74\u5ea6\u304b\u3089\u7d043.7\u500d\u3060\u304c\u5358\u8abf\u5897\u52a0\u3067\u306f\u306a\u304f\u3001\u5916\u90e8\u306e\u96c6\u8a08\u306f\u89b3\u6e2c\u4f53\u5236\u3092\u6620\u3057\u3066\u3044\u308b<\/h2>\n<p>\u300c\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u304c\u5897\u3048\u3066\u3044\u308b\u304b\u3089SIEM\u304c\u5fc5\u8981\u300d\u3068\u3044\u3046\u66f8\u304d\u65b9\u306f\u3001\u516c\u7684\u30c7\u30fc\u30bf\u304b\u3089\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u5831\u544a\u4ef6\u6570\u306f\u5e74\u306b\u3088\u3063\u3066\u4e0a\u4e0b\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u4ef6\u6570\u306e\u63a8\u79fb\u304c\u4f55\u3092\u6e2c\u3063\u305f\u6570\u5b57\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h3>JPCERT\/CC\u3078\u306e\u5831\u544a\u4ef6\u6570\u306f2019\u5e74\u5ea620,147\u4ef6\u304b\u30892025\u5e74\u5ea674,096\u4ef6\u3078\u5897\u3048\u305f\u304c\u30012024\u5e74\u5ea6\u306f\u524d\u5e74\u304b\u3089\u6e1b\u3063\u3066\u3044\u308b<\/h3>\n<p>JPCERT\/CC\u3078\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5831\u544a\u4ef6\u6570\u306f\u30012019\u5e74\u5ea6\u306b20,147\u4ef6\u3067\u3057\u305f\u30022025\u5e74\u5ea6\u306f74,096\u4ef6\u3067\u7d043.7\u500d\u3067\u3059\u304c\u3001\u4e00\u76f4\u7dda\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5e74\u5ea6<\/th>\n<th>JPCERT\/CC\u3078\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5831\u544a\u4ef6\u6570<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2019\u5e74\u5ea6<\/td>\n<td>20,147\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>2020\u5e74\u5ea6<\/td>\n<td>46,942\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>2021\u5e74\u5ea6<\/td>\n<td>50,801\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>2022\u5e74\u5ea6<\/td>\n<td>53,921\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>2023\u5e74\u5ea6<\/td>\n<td>65,690\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>2024\u5e74\u5ea6<\/td>\n<td>46,038\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>2025\u5e74\u5ea6<\/td>\n<td>74,096\u4ef6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.jpcert.or.jp\/qr\/2026\/QR_FY2025-Q4.pdf\">JPCERT\/CC\u300c\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5831\u544a\u5bfe\u5fdc\u30ec\u30dd\u30fc\u30c8\uff3b2026\u5e741\u6708\u301c3\u6708\uff3d\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.jpcert.or.jp\/pr\/2024\/IR_Report2023Q4.pdf\">\u540c\uff3b2024\u5e741\u6708\u301c3\u6708\uff3d<\/a><\/p>\n<p><img decoding=\"async\" alt=\"JPCERT\/CC\u3078\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5831\u544a\u4ef6\u6570\u306e\u63a8\u79fb\uff082019\u301c2025\u5e74\u5ea6\uff09\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/09\/fig-6.png\" \/><\/p>\n<p>2023\u5e74\u5ea665,690\u4ef6\u304b\u30892024\u5e74\u5ea646,038\u4ef6\u30783\u5272\u8fd1\u304f\u6e1b\u308a\u3001\u7fcc\u5e74\u5ea6\u306f\u5897\u3048\u3066\u3044\u307e\u3059\u30021\u5e74\u3067\u3053\u306e\u632f\u308c\u5e45\u304c\u51fa\u308b\u306e\u306f\u3001\u5831\u544a\u306e\u96c6\u307e\u308a\u65b9\u3084\u96c6\u8a08\u5bfe\u8c61\u306e\u5909\u5316\u3092\u542b\u3080\u305f\u3081\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<div style=\"border:2px solid #eb6834;border-radius:8px;background:#fdf3ee;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#c2521f\">\u6ce8\u610f<\/p>\n<p style=\"margin:0\">\u56db\u534a\u671f\u30ec\u30dd\u30fc\u30c8\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5206\u985e\u306f\u5e74\u5ea6\u306b\u3088\u3063\u3066\u898b\u76f4\u3055\u308c\u307e\u3059\u3002\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30b5\u30a4\u30c8\u304c\u7dcf\u6570\u306e\u5927\u534a\u3092\u5360\u3081\u308b\u5e74\u3082\u3042\u308a\u3001\u7279\u5b9a\u30ab\u30c6\u30b4\u30ea\u306e\u5897\u6e1b\u304c\u7dcf\u6570\u3092\u52d5\u304b\u3057\u307e\u3059\u3002\u7dcf\u6570\u306e\u63a8\u79fb\u3092\u300c\u4f01\u696d\u304c\u53d7\u3051\u308b\u653b\u6483\u306e\u63a8\u79fb\u300d\u3068\u3057\u3066\u306f\u8aad\u3081\u307e\u305b\u3093\u3002<\/p>\n<\/div>\n<h3>\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306e\u5c4a\u51fa\u4ef6\u6570\u306f2023\u5e74821\u4ef6\u304b\u30892025\u5e74610\u4ef6\u3078\u6e1b\u3063\u3066\u3044\u308b<\/h3>\n<p>\u540c\u3058\u65b9\u5411\u3092\u793a\u3059\u306e\u304c\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306e\u5c4a\u51fa\u4ef6\u6570\u3067\u3059\u3002IPA\/JPCERT\/CC\u3078\u306e\u5c4a\u51fa\u306f2023\u5e74\u306b821\u4ef6\u3067\u3057\u305f\u30022024\u5e74\u306f632\u4ef6\u30012025\u5e74\u306f610\u4ef6\u3067\u3059\uff08\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u88fd\u54c1\uff0b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\uff09\u3002<\/p>\n<p><img decoding=\"async\" alt=\"\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306e\u5c4a\u51fa\u4ef6\u6570\u306e\u63a8\u79fb\uff082023\u301c2025\u5e74\uff09\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/09\/fig-7.png\" \/><\/p>\n<p>\u5408\u8a08\u306f\u6e1b\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u5185\u8a33\u306f\u4e00\u65b9\u5411\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002IPA\u306e\u516c\u8868\u8cc7\u6599\u306b\u3088\u308b\u3068\u30012025\u5e74\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u88fd\u54c1\u306e\u5c4a\u51fa\u304c\u5897\u3048\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u5c4a\u51fa\u304c\u6e1b\u3063\u3066\u3044\u307e\u3059\uff08<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2025q4.html\">IPA\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7b49\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306b\u95a2\u3059\u308b\u5c4a\u51fa\u72b6\u6cc1\uff3b2025\u5e74\u7b2c4\u56db\u534a\u671f\uff3d\u300d<\/a>\uff09\u3002\u7dcf\u6570\u306e\u6e1b\u5c11\u306f\u5c4a\u51fa\u306e\u5185\u8a33\u306e\u5909\u5316\u3092\u542b\u307f\u3001\u8106\u5f31\u6027\u305d\u306e\u3082\u306e\u306e\u5897\u6e1b\u3092\u793a\u3059\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u5916\u90e8\u306e\u96c6\u8a08\u4ef6\u6570\u306f\u653b\u6483\u306e\u7dcf\u91cf\u3067\u306f\u306a\u304f\u5831\u544a\u30fb\u89b3\u6e2c\u306e\u91cf\u3092\u6620\u3057\u3066\u304a\u308a\u3001\u81ea\u793e\u306e\u72b6\u6cc1\u306f\u81ea\u793e\u306e\u30ed\u30b0\u306b\u3057\u304b\u306a\u3044<\/h3>\n<p>\u3053\u3053\u304b\u3089\u306f\u898b\u89e3\u3067\u3059\u3002\u5916\u90e8\u306e\u96c6\u8a08\u4ef6\u6570\u306f\u300c\u653b\u6483\u304c\u3069\u308c\u3060\u3051\u8d77\u304d\u305f\u304b\u300d\u3067\u306f\u306a\u304f\u300c\u3069\u308c\u3060\u3051\u5831\u544a\u30fb\u89b3\u6e2c\u3055\u308c\u305f\u304b\u300d\u306e\u6570\u5b57\u3067\u3059\u3002<\/p>\n<p>\u508d\u8a3c\u306f2\u3064\u3042\u308a\u307e\u3059\u30021\u3064\u306f\u7a93\u53e3\u306b\u3088\u308b\u6841\u306e\u9055\u3044\u3067\u3059\u3002IPA\u3078\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u5c4a\u51fa\u306f2025\u5e74\u306b109\u4ef6\u3067\u3001\u524d\u5e74\u306e2024\u5e74\u306f166\u4ef6\u3067\u3057\u305f\u3002\u540c\u30582025\u5e74\u306eJPCERT\/CC\u3078\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u95a2\u9023\u306e\u5831\u544a\u306f68,853\u4ef6\u3067\u3059\u3002<\/p>\n<p>\u3082\u30461\u3064\u306f\u3001\u5831\u544a\u4ef6\u6570\u304c2025\u5e74\u5ea6\u306b74,096\u4ef6\u307e\u3067\u632f\u308c\u308b\u5e74\u3054\u3068\u306e\u5909\u52d5\u3067\u3059\u3002\u96c6\u8a08\u306e\u67a0\u7d44\u307f\u304c\u9055\u3048\u3070\u6570\u5b57\u306f\u5909\u308f\u308a\u3001\u81ea\u793e\u306e\u30ea\u30b9\u30af\u306f\u9006\u7b97\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u5916\u90e8\u7d71\u8a08\u304c\u81ea\u793e\u306e\u72b6\u6cc1\u3092\u6559\u3048\u306a\u3044\u3053\u3068\u3053\u305d\u304c\u3001\u81ea\u793e\u306e\u30ed\u30b0\u3092\u81ea\u5206\u3067\u89b3\u6e2c\u3059\u308b\u4ed5\u7d44\u307f\u3092\u6301\u3064\u7406\u7531\u3067\u3059\u3002<\/p>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.jpcert.or.jp\/qr\/2026\/QR_FY2025-Q4.pdf\">JPCERT\/CC\u300c\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5831\u544a\u5bfe\u5fdc\u30ec\u30dd\u30fc\u30c8\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2025q4.html\">IPA\u300c\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306e\u5c4a\u51fa\u72b6\u6cc1\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001059979.pdf\">\u8b66\u5bdf\u5e81\u307b\u304b\u300c\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u884c\u70ba\u306e\u767a\u751f\u72b6\u6cc1\u7b49\u300d<\/a><\/p>\n<h2>SIEM\u5c0e\u5165\u306e\u5224\u65ad\u306f\u3001\u4e8b\u6545\u5bfe\u5fdc\u306b\u3069\u308c\u3060\u3051\u306e\u5185\u90e8\u5de5\u6570\u304c\u5fc5\u8981\u306b\u306a\u308a\u5f97\u308b\u304b\u3092\u898b\u7a4d\u3082\u3063\u3066\u8003\u3048\u308b<\/h2>\n<p>SIEM\u306e\u4fa1\u5024\u306f\u3001\u4e8b\u6545\u3092\u9632\u3050\u3053\u3068\u3060\u3051\u3067\u306a\u304f\u3001\u4e8b\u6545\u304c\u8d77\u304d\u305f\u3068\u304d\u306e\u5bfe\u5fdc\u306e\u898f\u6a21\u3092\u81a8\u3089\u307e\u305b\u306a\u3044\u3053\u3068\u306b\u3082\u3042\u308a\u307e\u3059\u3002\u7279\u5b9a\u306e\u88fd\u54c1\u306f\u63a8\u5968\u305b\u305a\u3001\u5224\u65ad\u306e\u67a0\u7d44\u307f\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a21\u4ef6\u306e\u4e8b\u6545\u5bfe\u5fdc\u306f\u5e73\u574727.7\u4eba\u6708\u3001\u88ab\u5bb3\u984d\u306f\u5e73\u57472,386\u4e07\u5186<\/h3>\n<p>\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u88ab\u5bb3\u3067\u306f\u3001\u91d1\u92ad\u3088\u308a\u5148\u306b\u4eba\u624b\u3092\u5927\u91cf\u306b\u4f7f\u3044\u307e\u3059\u3002JNSA\u306e\u96c6\u8a08\u3092IPA\u306e\u5831\u544a\u66f8\u304c\u5f15\u7528\u3057\u305f\u5024\u3067\u3001\u5bfe\u8c61\u306f2017\u5e741\u6708\u301c2022\u5e746\u6708\u306b\u516c\u8868\u30fb\u5831\u9053\u3055\u308c\u305f\u88ab\u5bb3\u3067\u3059\u3002<\/p>\n<p>\u4e8b\u6545\u5bfe\u5fdc\u306b\u8981\u3057\u305f\u5185\u90e8\u5de5\u6570\u306e\u5e73\u5747\u306f27.7\u4eba\u6708\u3001\u88ab\u5bb3\u984d\u306e\u5e73\u5747\u306f2,386\u4e07\u5186\u3067\u3057\u305f\u3002\u8eab\u4ee3\u91d1\u3092\u652f\u6255\u3063\u305f\u7d44\u7e54\u306e\u5272\u5408\u306f0%\u3067\u3059\uff08<strong>\u88ab\u5bb3\u7d44\u7e54\u306e\u56de\u7b54\u306b\u57fa\u3065\u304f\u5024<\/strong>\uff09\u3002<\/p>\n<p><mark>\u8eab\u4ee3\u91d1\u3092\u652f\u6255\u3063\u305f\u7d44\u7e54\u306f\u306a\u304f\u3001\u5bfe\u5fdc\u306f\u5e73\u574727.7\u4eba\u6708\u306e\u5185\u90e8\u5de5\u6570\u3068\u3057\u3066\u8a08\u4e0a\u3055\u308c\u3066\u3044\u307e\u3059<\/mark>\u30021\u4eba\u306a\u30892\u5e74\u4ee5\u4e0a\u306b\u76f8\u5f53\u3059\u308b\u898f\u6a21\u3067\u3059\u3002<\/p>\n<div style=\"border:2px solid #eb6834;border-radius:8px;background:#fdf3ee;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#c2521f\">\u6ce8\u610f<\/p>\n<p style=\"margin:0\">\u3053\u306e\u96c6\u8a08\u306e\u5bfe\u8c61\u306f\u300c\u516c\u8868\u30fb\u5831\u9053\u3055\u308c\u305f\u88ab\u5bb3\u300d\u3067\u3001\u898f\u6a21\u306e\u5927\u304d\u3044\u4e8b\u6848\u306b\u504f\u3063\u3066\u3044\u307e\u3059\u3002\u539f\u8cc7\u6599\u3082\u3001\u56de\u7b54\u306b\u306f\u4e2d\u5c0f\u4f01\u696d\u3060\u3051\u3067\u306a\u304f\u5927\u4f01\u696d\u3084\u56e3\u4f53\u7b49\u304c\u542b\u307e\u308c\u308b\u3053\u3068\u306b\u7559\u610f\u304c\u5fc5\u8981\u3060\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u88ab\u5bb3\u984d\u306b\u3064\u3044\u3066\u306f\u3001\u7d44\u7e54\u5185\u90e8\u306e\u5f93\u696d\u54e1\u3084\u8077\u54e1\u306b\u3088\u308b\u5bfe\u5fdc\u30b3\u30b9\u30c8\u304c\u8a08\u4e0a\u3055\u308c\u3066\u3044\u306a\u3044\u30b1\u30fc\u30b9\u304c\u591a\u6570\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u30022,386\u4e07\u5186\u306827.7\u4eba\u6708\u306f\u5225\u3005\u306b\u96c6\u8a08\u3055\u308c\u305f\u6570\u5024\u3067\u3001\u5358\u7d14\u306b\u8db3\u3057\u5408\u308f\u305b\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u81ea\u793e\u306e\u60f3\u5b9a\u88ab\u5bb3\u3068\u3057\u3066\u305d\u306e\u307e\u307e\u5f53\u3066\u306f\u3081\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<\/div>\n<h3>\u5bfe\u5fdc\u304c\u5f8c\u306b\u306a\u308b\u307b\u3069\u8ca0\u62c5\u306f\u5897\u3048\u3001\u904b\u7528\u6bb5\u968e\u3067\u306e\u5bfe\u5fdc\u30b3\u30b9\u30c8\u306f\u8a2d\u8a08\u6bb5\u968e\u306e100\u500d\u3068\u3055\u308c\u308b<\/h3>\n<p>\u5bfe\u5fdc\u304c\u5f8c\u308d\u306b\u56de\u308b\u307b\u3069\u8ca0\u62c5\u304c\u5897\u3048\u308b\u65b9\u5411\u6027\u306f\u3001\u5225\u306e\u8cc7\u6599\u306b\u3082\u3042\u308a\u307e\u3059\u3002<strong>IPA\u306e\u30b5\u30a4\u30c8\u3067\u516c\u958b\u3055\u308c\u3066\u3044\u308b2022\u5e74\u306e\u8cc7\u6599\uff08\u7523\u696d\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bb\u30f3\u30bf\u30fc \u4e2d\u6838\u4eba\u6750\u80b2\u6210\u30d7\u30ed\u30b0\u30e9\u30e0 \u53d7\u8b1b\u751f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u6210\u679c\u7269\uff09<\/strong>\u304c\u793a\u3057\u305f\u5de5\u7a0b\u5225\u306e\u30b3\u30b9\u30c8\u6bd4\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5bfe\u7b56\u3092\u5b9f\u65bd\u3059\u308b\u5de5\u7a0b<\/th>\n<th>\u8a2d\u8a08\u6bb5\u968e\u30921\u3068\u3057\u305f\u5834\u5408\u306e\u5bfe\u7b56\u30b3\u30b9\u30c8\u6bd4<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8a2d\u8a08<\/td>\n<td>1\u500d<\/td>\n<\/tr>\n<tr>\n<td>\u958b\u767a<\/td>\n<td>6.5\u500d<\/td>\n<\/tr>\n<tr>\n<td>\u30c6\u30b9\u30c8<\/td>\n<td>15\u500d<\/td>\n<\/tr>\n<tr>\n<td>\u904b\u7528<\/td>\n<td>100\u500d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u8868\u306e\u51fa\u5178: <strong><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/jinzai\/ics\/core_human_resource\/final_project\/2022\/ngi93u0000002kef-att\/000100451.pdf\">IPA\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30d0\u30a4\u30fb\u30c7\u30b6\u30a4\u30f3\u5c0e\u5165\u6307\u5357\u66f8\u300d\uff082022\u5e748\u6708\u3001\u7523\u696d\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bb\u30f3\u30bf\u30fc \u4e2d\u6838\u4eba\u6750\u80b2\u6210\u30d7\u30ed\u30b0\u30e9\u30e0 5\u671f\u751f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\uff09\u56f32<\/a><\/strong>\uff08\u8a2d\u8a08\u6642\u306e\u30b3\u30b9\u30c8\u30921\u3068\u3057\u305f\u76f8\u5bfe\u5024\u3002<strong>\u539f\u56f3\u306fIPA\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30d0\u30a4\u30fb\u30c7\u30b6\u30a4\u30f3\u5165\u9580\u300d\u304b\u3089\u306e\u5f15\u7528\u3068\u811a\u6ce8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059<\/strong>\uff09<\/p>\n<p>\u305f\u3060\u3057\u3053\u308c\u306f\u8106\u5f31\u6027\u306e\u4fee\u6b63\u30b3\u30b9\u30c8\u306e\u6587\u8108\u3067\u793a\u3055\u308c\u305f\u6570\u5024\u3067\u3001\u691c\u77e5\u306e\u9045\u308c\u306b\u3088\u308b\u30b3\u30b9\u30c8\u5897\u3092\u76f4\u63a5\u6e2c\u3063\u305f\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u51fa\u5178\u3082\u4e8c\u6b21\u5f15\u7528\u3067\u3059\u3002<strong>\u540c\u66f8\u306f\u514d\u8cac\u4e8b\u9805\u3067\u300c\u672c\u66f8\u306b\u8a18\u8f09\u306e\u5185\u5bb9\u306f\uff0c\u72ec\u7acb\u884c\u653f\u6cd5\u4eba\u60c5\u5831\u51e6\u7406\u63a8\u9032\u6a5f\u69cb\u304a\u3088\u3073\u7523\u696d\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bb\u30f3\u30bf\u30fc\u306e\u610f\u898b\u3092\u4ee3\u8868\u3059\u308b\u3082\u306e\u3067\u306f\u306a\u304f\uff0c\u4f5c\u6210\u8005\u306e\u898b\u89e3\u306b\u57fa\u3065\u3044\u3066\u3044\u308b\u300d\u3068\u660e\u8a18\u3057\u3066\u304a\u308a\u3001\u539f\u56f3\u306e\u51fa\u5178\u3068\u3057\u3066\u6319\u3052\u3089\u308c\u305fIPA\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30d0\u30a4\u30fb\u30c7\u30b6\u30a4\u30f3\u5165\u9580\u300d\u306f\u73fe\u5728\u3053\u306eURL\u3067\u306f\u516c\u958b\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u4e00\u6b21\u8cc7\u6599\u307e\u3067\u9061\u308c\u307e\u305b\u3093\u3002<\/strong>\u52a0\u3048\u3066\u3053\u306e\u8cc7\u6599\u306f2022\u5e748\u6708\u767a\u884c\u3067\u3001\u540c\u66f8\u81ea\u4f53\u304c\u6709\u52b9\u671f\u9650\u3092\u767a\u884c\u65e5\u304b\u30892\u5e74\u9593\u3068\u5b9a\u3081\u3066\u3044\u307e\u3059\u3002<strong>SIEM\u306e\u52b9\u679c\u3092\u793a\u3059\u6570\u5024\u3068\u3057\u3066\u306f\u6271\u3048\u307e\u305b\u3093<\/strong>\u304c\u3001\u5f8c\u624b\u306b\u56de\u308b\u307b\u3069\u8ca0\u62c5\u304c\u5897\u3048\u308b\u508d\u8a3c\u306b\u306f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u5c0e\u5165\u524d\u306b\u6c7a\u3081\u308b\u306e\u306f\u88fd\u54c1\u3067\u306f\u306a\u304f\u3001\u96c6\u3081\u308b\u30ed\u30b0\u306e\u7bc4\u56f2\u30fb\u4fdd\u5b58\u671f\u9593\u30fb\u898b\u308b\u4eba\u306e3\u70b9<\/h3>\n<p>SIEM\u306f\u5165\u308c\u3066\u7d42\u308f\u308b\u4ed5\u7d44\u307f\u3067\u306f\u306a\u304f\u3001\u30ed\u30b0\u30bd\u30fc\u30b9\u306e\u8a2d\u5b9a\u3001\u691c\u77e5\u30eb\u30fc\u30eb\u306e\u8abf\u6574\u3001\u65e5\u3005\u306e\u30a2\u30e9\u30fc\u30c8\u78ba\u8a8d\u304c\u7d9a\u304d\u307e\u3059\u3002<\/p>\n<p>IPA\u306e\u8abf\u67fb\uff082024\u5e74\u3001n=4,191\uff09\u3067\u306f\u3001\u5c02\u9580\u90e8\u7f72\uff08\u62c5\u5f53\u8005\uff09\u304c\u3042\u308b\u4e2d\u5c0f\u4f01\u696d\u7b49\u306f9.3%\u3067\u3059\u3002\u517c\u52d9\u3060\u304c\u62c5\u5f53\u8005\u304c\u4efb\u547d\u3055\u308c\u3066\u3044\u308b\u306e\u306f21.0%\u3067\u3057\u305f\u300227.7\u4eba\u6708\u306f\u516c\u8868\u30fb\u5831\u9053\u3055\u308c\u305f\u4e8b\u6848\u306e\u5e73\u5747\u3067\u3001\u81ea\u793e\u306e\u60f3\u5b9a\u88ab\u5bb3\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u5fc5\u8981\u306b\u306a\u308a\u5f97\u308b\u5de5\u6570\u306e\u53c2\u8003\u5024\u306b\u306f\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u898f\u6a21\u306e\u5bfe\u5fdc\u3092\u517c\u52d91\u540d\u3067\u62c5\u3046\u4f53\u5236\u3067\u306f\u3001\u5916\u90e8\u3078\u306e\u7dca\u6025\u59d4\u8a17\u3084\u696d\u52d9\u505c\u6b62\u306e\u9577\u671f\u5316\u306b\u3064\u306a\u304c\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u306a\u304a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7ba1\u7406\u306e\u30a2\u30a6\u30c8\u30bd\u30fc\u30b7\u30f3\u30b0\u306f2025\u5e74\u8abf\u67fb\u306720.2%\u3067\u3059\u3002<\/p>\n<div style=\"border:2px solid #2d4f8f;border-radius:8px;background:#f2f5fb;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#2d4f8f\">\u5c0e\u5165\u524d\u306b\u6c7a\u3081\u308b3\u70b9<\/p>\n<ul style=\"margin:0;padding-left:20px\">\n<li>\u96c6\u3081\u308b\u30ed\u30b0\u306e\u7bc4\u56f2: \u8a8d\u8a3c\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u30fb\u30b5\u30fc\u30d0\u30fc\u30fb\u30af\u30e9\u30a6\u30c9\u306e\u3069\u3053\u307e\u3067\u304b<\/li>\n<li>\u4fdd\u5b58\u671f\u9593: \u4f55\u65e5\u5206\u3092\u53c2\u7167\u3067\u304d\u308b\u72b6\u614b\u3067\u6b8b\u3059\u304b<\/li>\n<li>\u898b\u308b\u4eba: \u8ab0\u304c\u30a2\u30e9\u30fc\u30c8\u306e\u4e00\u6b21\u5224\u65ad\u3092\u3059\u308b\u304b<\/li>\n<\/ul>\n<\/div>\n<p>\u3053\u306e3\u70b9\u3092\u5148\u306b\u6c7a\u3081\u308b\u7406\u7531\u306f\u3001\u300c\u8a18\u9332\u306f\u3057\u3066\u3044\u308b\u304c\u898b\u3066\u3044\u306a\u3044\u300d\u72b6\u614b\u306b\u623b\u3089\u306a\u3044\u305f\u3081\u3067\u3059\u3002\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306e\u8a18\u933241.0%\u306b\u5bfe\u3057\u3001\u56de\u7dda\u76e3\u8996\u306f21.7%\u3067\u3059\uff08\u3044\u305a\u308c\u30822025\u5e74\u8abf\u67fb\uff09\u3002\u516c\u7684\u7d71\u8a08\u306bSIEM\u306e\u5c0e\u5165\u7387\u306f\u306a\u3044\u305f\u3081\u3001\u81ea\u793e\u306e\u30ed\u30b0\u3092\u8d77\u70b9\u306b\u5224\u65ad\u3059\u308b\u307b\u304b\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p style=\"font-size:13px;color:#777;margin:1em 0 0\">\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/sme\/nl10bi000000fbvc-att\/sme-chousa-report2024r1.pdf\">IPA\u300c2024\u5e74\u5ea6 \u4e2d\u5c0f\u4f01\u696d\u306e\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u5b9f\u614b\u8abf\u67fb\u300d<\/a>\uff08JNSA\u300c\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u640d\u5bb3\u984d\u8abf\u67fb\u30ec\u30dd\u30fc\u30c8\u300d\u306e\u5f15\u7528\u3092\u542b\u3080\uff09\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/jinzai\/ics\/core_human_resource\/final_project\/2022\/ngi93u0000002kef-att\/000100451.pdf\">IPA\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30d0\u30a4\u30fb\u30c7\u30b6\u30a4\u30f3\u300d\u95a2\u9023\u8cc7\u6599<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.soumu.go.jp\/main_content\/001074768.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d\u5225\u7d192<\/a><\/p>\n<h2>\u307e\u3068\u3081\uff5cSIEM\u306f\u88fd\u54c1\u3092\u8db3\u3059\u9078\u629e\u3067\u306f\u306a\u304f\u3001\u65e2\u306b\u3042\u308b\u30ed\u30b0\u3092\u3064\u306a\u3052\u308b\u9078\u629e<\/h2>\n<p>SIEM\u3092\u691c\u8a0e\u3059\u308b\u3068\u304d\u306e\u8981\u70b9\u3092\u632f\u308a\u8fd4\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u500b\u3005\u306e\u901a\u4fe1\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u691c\u77e5\u3059\u308b\u306e\u306f\u5404\u88fd\u54c1\u3067\u3001SIEM\u306f\u8907\u6570\u88fd\u54c1\u306e\u30ed\u30b0\u3092\u96c6\u7d04\u3057\u3001\u76f8\u95a2\u3092\u5206\u6790\u3057\u3066\u5358\u4f53\u3067\u306f\u898b\u3048\u306a\u3044\u4e8b\u8c61\u3092\u691c\u77e5\u3059\u308b\u4ed5\u7d44\u307f\uff08IPA\u89e3\u8aac\u66f8\uff09<\/li>\n<li>2025\u5e74\u8abf\u67fb\u3067\u5bfe\u7b56\u5b9f\u65bd\u7387\u306f98.3%\u3002\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306e\u8a18\u9332\u3092\u5bfe\u7b56\u3068\u3057\u3066\u6319\u3052\u305f\u4f01\u696d\u306f41.0%\u3067\u3001\u6b8b\u308a\u306e\u7d046\u5272\u306f\u8a18\u9332\u3092\u5bfe\u7b56\u3068\u3057\u3066\u8a8d\u8b58\u3057\u3066\u3044\u307e\u305b\u3093<\/li>\n<li>\u5831\u544a\u3055\u308c\u305f\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u88ab\u5bb3\u306e\u4fb5\u5165\u7d4c\u8def\u306f87.0%\uff082025\u5e74\uff09\u304cVPN\u30fbRDP\u7d4c\u7531\u3002\u5358\u4f53\u88fd\u54c1\u306e\u30a2\u30e9\u30fc\u30c8\u306b\u6620\u308a\u306b\u304f\u3044<\/li>\n<li>SIEM\u306e\u5c0e\u5165\u7387\u3092\u793a\u3059\u516c\u7684\u7d71\u8a08\u306f\u306a\u3044\u305f\u3081\u3001\u8cc7\u6599\u306e\u5c0e\u5165\u7387\u306f\u6bcd\u96c6\u56e3\u3092\u78ba\u8a8d\u3057\u3066\u4f7f\u3046<\/li>\n<li>\u4e8b\u6545\u5bfe\u5fdc\u306f1\u4ef6\u5e73\u574727.7\u4eba\u6708\uff08\u516c\u8868\u30fb\u5831\u9053\u5206\u3001\u5927\u4f01\u696d\u30fb\u56e3\u4f53\u3092\u542b\u3080\uff09\u3001\u5c02\u9580\u90e8\u7f72\uff08\u62c5\u5f53\u8005\uff09\u304c\u3042\u308b\u4e2d\u5c0f\u4f01\u696d\u7b49\u306f9.3%\uff082024\u5e74\u8abf\u67fb\uff09<\/li>\n<li>JPCERT\/CC\u3078\u306e\u5831\u544a\u4ef6\u6570\u306f2025\u5e74\u5ea674,096\u4ef6\u3060\u304c\u5358\u8abf\u5897\u52a0\u3067\u306f\u306a\u304f\u3001\u5831\u544a\u30fb\u89b3\u6e2c\u306e\u91cf\u3092\u6620\u3057\u3066\u3044\u308b<\/li>\n<\/ul>\n<p>\u6b21\u306e\u4e00\u6b69\u3068\u3057\u3066\u3001\u81ea\u793e\u306e\u8a8d\u8a3c\u30ed\u30b0\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u306e\u30ed\u30b0\u304c\u4f55\u65e5\u5206\u6b8b\u3063\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>SIEM\u306e\u904b\u7528\u3092\u62c5\u3046\u4eba\u6750\u80b2\u6210\u306a\u3089\u300c\u60c5\u30b7\u30b9\u30ab\u30ec\u30c3\u30b8\u300d<\/h2>\n<p style=\"text-align:center;margin:1.5em 0\"><a href=\"https:\/\/www.josys-college.com\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/08\/cta-josys-college.jpg\" alt=\"\u60c5\u30b7\u30b9\u30ab\u30ec\u30c3\u30b8\" style=\"max-width:100%;height:auto\" 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style=\"border:2px solid #2d4f8f;border-radius:8px;background:#f2f5fb;padding:14px 18px;margin:1.5em 0\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#2d4f8f\">\u60c5\u30b7\u30b9\u30ab\u30ec\u30c3\u30b8\u306e\u7279\u5fb4<\/p>\n<ul 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