{"id":11345,"date":"2026-11-01T17:56:34","date_gmt":"2026-11-01T08:56:34","guid":{"rendered":"https:\/\/venu-sys.co.jp\/jo-sys\/?p=11345"},"modified":"2026-11-01T17:56:34","modified_gmt":"2026-11-01T08:56:34","slug":"csrf-toha","status":"publish","type":"post","link":"https:\/\/venu-sys.co.jp\/jo-sys\/11345\/","title":{"rendered":"\u3010IPA\u30fb\u7dcf\u52d9\u7701\u30c7\u30fc\u30bf\u3011CSRF\u3068\u306f\uff5c\u4ed5\u7d44\u307f\u3068\u5bfe\u7b56\u3001WAF\u5c0e\u5165\u4f01\u696d\u306f2025\u5e74\u306719.5%"},"content":{"rendered":"<p>CSRF\u306f\u3001XSS\u306a\u3069\u3068\u4e26\u3093\u3067\u3088\u304f\u540d\u524d\u304c\u6319\u304c\u308bWeb\u653b\u6483\u3067\u3059\u3002\u305f\u3060\u3001\u4ed5\u7d44\u307f\u306e\u8aac\u660e\u306f\u610f\u5916\u3068\u96e3\u3057\u3044\u3067\u3059\u3088\u306d\u3002<\/p>\n<ul>\n<li>XSS\u3068\u306e\u9055\u3044\u3092\u3046\u307e\u304f\u8aac\u660e\u3067\u304d\u306a\u3044<\/li>\n<li>\u81ea\u793e\u306bCSRF\u5bfe\u7b56\u304c\u3042\u308b\u304b\u5206\u304b\u3089\u306a\u3044<\/li>\n<li>CSRF\u306e\u88ab\u5bb3\u7d71\u8a08\u304c\u898b\u3064\u304b\u3089\u306a\u3044<\/li>\n<\/ul>\n<p>\u7d50\u8ad6\u304b\u3089\u8a00\u3046\u3068\u3001CSRF\u306f\u30ed\u30b0\u30a4\u30f3\u4e2d\u306e\u5229\u7528\u8005\u306b\u3001\u610f\u56f3\u3057\u306a\u3044\u64cd\u4f5c\u3092\u3055\u305b\u308b\u653b\u6483\u3067\u3059\u3002\u5bfe\u7b56\u306e\u4e2d\u5fc3\u306f\u3001\u30c8\u30fc\u30af\u30f3\u691c\u8a3c\u3068SameSite\u5c5e\u6027\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u516c\u7684\u7d71\u8a08\u306bCSRF\u5358\u72ec\u306e\u4ef6\u6570\u306f\u7121\u304f\u3001\u6570\u5b57\u3060\u3051\u3067\u30ea\u30b9\u30af\u306e\u5927\u5c0f\u306f\u5224\u65ad\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u4ed5\u7d44\u307f\u3001\u7d71\u8a08\u3067\u306e\u6271\u3044\u3001\u5bfe\u7b56\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u3053\u306e\u8a18\u4e8b\u306e\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n<ul>\n<li>CSRF\u306f\u6b63\u898f\u306e\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u3092\u60aa\u7528\u3057\u3001\u507d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u3089\u305b\u308b\u653b\u6483<\/li>\n<li>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u5168\u822c\u306e\u5c4a\u51fa\uff08\u7d2f\u8a08\uff09\u306e\u7a2e\u985e\u5225\u5272\u5408\u306f\u3001XSS\u304c56%\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u304c11%\u306a\u3069\u3067\u3001CSRF\u306f\u500b\u5225\u306b\u793a\u3055\u308c\u3066\u3044\u306a\u3044\uff082026\u5e74\u7b2c2\u56db\u534a\u671f\u672b\u6642\u70b9\uff09\uff08\u51fa\u5178: <a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">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\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff3d\u300d\u30ec\u30dd\u30fc\u30c8\uff08PDF\uff09<\/a>\uff09<\/li>\n<li>\u8106\u5f31\u6027\u306e\u60aa\u7528\u5168\u822c\u306f2026\u5e74\u724810\u5927\u8105\u5a01\uff08\u7d44\u7e54\uff09\u30674\u4f4d\uff08\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>\uff09\u3002WAF\u5c0e\u5165\u4f01\u696d\u306f2025\u5e74\u306719.5%\uff08\u5e38\u7528\u96c7\u7528\u8005100\u4eba\u4ee5\u4e0a\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u4f01\u696d\u3001\u8907\u6570\u56de\u7b54\uff09\uff08\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\u306e\u7d50\u679c\uff08\u6982\u8981\uff09\u5225\u7d192\u300d<\/a>\uff09<\/li>\n<\/ul>\n<h2>CSRF\u306f\u30ed\u30b0\u30a4\u30f3\u4e2d\u306e\u5229\u7528\u8005\u306b\u3001\u672c\u4eba\u304c\u610f\u56f3\u3057\u306a\u3044\u64cd\u4f5c\u3092Web\u30b5\u30a4\u30c8\u4e0a\u3067\u5b9f\u884c\u3055\u305b\u308b\u653b\u6483<\/h2>\n<p>CSRF\u306f\u300cCross-Site Request Forgery\uff08\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30ea\u30af\u30a8\u30b9\u30c8\u30d5\u30a9\u30fc\u30b8\u30a7\u30ea\uff09\u300d\u306e\u7565\u79f0\u3067\u3059\u3002\u30ed\u30b0\u30a4\u30f3\u4e2d\u306e\u5229\u7528\u8005\u306b\u3001\u672c\u4eba\u304c\u610f\u56f3\u3057\u306a\u3044\u64cd\u4f5c\u3092\u5b9f\u884c\u3055\u305b\u308b\u653b\u6483\u3092\u6307\u3057\u307e\u3059\u3002Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e<a href=\"https:\/\/venu-sys.co.jp\/jo-sys\/8758\/\">\u8106\u5f31\u6027<\/a>\u3092\u7a81\u304f\u653b\u6483\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n<p>SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3084XSS\u3068\u540c\u3058\u304f\u3001Web\u30b5\u30a4\u30c8\u3092\u72d9\u3046\u4ee3\u8868\u7684\u306a\u653b\u6483\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u4ed5\u7d44\u307f\u3001\u653b\u6483\u306e\u6d41\u308c\u3001XSS\u3068\u306e\u9055\u3044\u306e\u9806\u306b\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3>CSRF\u306f\u30d6\u30e9\u30a6\u30b6\u304c\u81ea\u52d5\u3067\u9001\u308bCookie\u3092\u60aa\u7528\u3057\u3001\u6b63\u898f\u306e\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u306e\u307e\u307e\u507d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u901a\u3059<\/h3>\n<p>CSRF\u306e\u6839\u672c\u306b\u3042\u308b\u306e\u306f\u3001<strong>\u30b5\u30fc\u30d0\u30fc\u304c\u300c\u672c\u4eba\u306e\u64cd\u4f5c\u300d\u3068\u300c\u7f60\u30da\u30fc\u30b8\u304b\u3089\u9001\u3089\u308c\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u300d\u3092\u898b\u5206\u3051\u3089\u308c\u306a\u3044<\/strong>\u3068\u3044\u3046\u554f\u984c\u3067\u3059\u3002<\/p>\n<p>\u591a\u304f\u306eWeb\u30b5\u30a4\u30c8\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u5f8c\u306e\u72b6\u614b\u3092Cookie\u3067\u4fdd\u3063\u3066\u3044\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u306f\u3001\u305d\u306e\u30b5\u30a4\u30c8\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306bCookie\u3092\u81ea\u52d5\u3067\u4ed8\u3051\u3066\u9001\u308a\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u5225\u306e\u30b5\u30a4\u30c8\u304b\u3089\u9001\u3089\u308c\u305f\u5834\u5408\u3067\u3082\u3001Cookie\u304c\u4ed8\u304f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u5229\u7528\u8005\u304c\u30cd\u30c3\u30c8\u30d0\u30f3\u30ad\u30f3\u30b0\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u307e\u307e\u3001\u5225\u306e\u7f60\u30da\u30fc\u30b8\u3092\u958b\u3044\u305f\u3068\u3057\u307e\u3059\u3002\u7f60\u30da\u30fc\u30b8\u304c\u9001\u91d1\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u30ed\u30b0\u30a4\u30f3\u4e2d\u306eCookie\u3092\u4ed8\u3051\u3066\u9001\u4fe1\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u898b\u308b\u3068\u3001\u6b63\u898f\u306e\u5229\u7528\u8005\u304b\u3089\u306e\u6b63\u3057\u3044\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u898b\u3048\u307e\u3059\u3002<\/p>\n<p>\u653b\u6483\u8005\u306f\u3001\u51e6\u7406\u306e\u7d50\u679c\u3092\u76f4\u63a5\u53d7\u3051\u53d6\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u305d\u308c\u3067\u3082\u3001\u9001\u91d1\u3084\u8a2d\u5b9a\u5909\u66f4\u3068\u3044\u3063\u305f\u51e6\u7406\u305d\u306e\u3082\u306e\u306f\u5b9f\u884c\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002CSRF\u306f\u3001<strong>\u5229\u7528\u8005\u306e\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u3092\u501f\u308a\u3066\u3001\u51e6\u7406\u3060\u3051\u3092\u901a\u3059\u653b\u6483<\/strong>\u3060\u3068\u7406\u89e3\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u653b\u6483\u306f\u5229\u7528\u8005\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u307e\u307e\u7f60\u30da\u30fc\u30b8\u3092\u958b\u304f\u3053\u3068\u3067\u59cb\u307e\u308a\u3001\u9001\u91d1\u3084\u8a2d\u5b9a\u5909\u66f4\u304c\u6c17\u4ed8\u304b\u306a\u3044\u3046\u3061\u306b\u5b9f\u884c\u3055\u308c\u308b<\/h3>\n<p>CSRF\u306e\u653b\u6483\u306f\u3001<strong>\u5229\u7528\u8005\u304c\u6a19\u7684\u30b5\u30a4\u30c8\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u307e\u307e\u3001\u7f60\u30da\u30fc\u30b8\u3092\u958b\u304f\u3053\u3068\u3067\u6210\u7acb\u3057\u307e\u3059<\/strong>\u3002\u6d41\u308c\u306f\u6b21\u306e4\u6bb5\u968e\u3067\u3059\u3002<\/p>\n<ol>\n<li>\u5229\u7528\u8005\u304c\u3001\u6a19\u7684\u3068\u306a\u308bWeb\u30b5\u30a4\u30c8\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b<\/li>\n<li>\u653b\u6483\u8005\u304c\u3001\u30e1\u30fc\u30eb\u3084SNS\u306e\u6295\u7a3f\u3067\u5229\u7528\u8005\u3092\u7f60\u30da\u30fc\u30b8\u3078\u8a98\u5c0e\u3059\u308b<\/li>\n<li>\u7f60\u30da\u30fc\u30b8\u304c\u3001\u6a19\u7684\u30b5\u30a4\u30c8\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u81ea\u52d5\u3067\u9001\u308b<\/li>\n<li>\u6a19\u7684\u30b5\u30a4\u30c8\u304c\u3001\u305d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5229\u7528\u8005\u672c\u4eba\u306e\u64cd\u4f5c\u3068\u3057\u3066\u51e6\u7406\u3059\u308b<\/li>\n<\/ol>\n<p>\u5229\u7528\u8005\u306e\u753b\u9762\u4e0a\u3067\u306f\u3001\u7f60\u30da\u30fc\u30b8\u3092\u958b\u3044\u305f\u3060\u3051\u306b\u898b\u3048\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u88ab\u5bb3\u306b\u6c17\u4ed8\u304f\u306e\u304c\u9045\u308c\u304c\u3061\u3067\u3059\u3002<\/p>\n<p>\u72d9\u308f\u308c\u3084\u3059\u3044\u306e\u306f\u3001\u30c7\u30fc\u30bf\u306e\u72b6\u614b\u3092\u5909\u3048\u308b\u64cd\u4f5c\u3067\u3059\u3002\u9001\u91d1\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3084\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5909\u66f4\u3001\u63b2\u793a\u677f\u3078\u306e\u66f8\u304d\u8fbc\u307f\u3001\u7ba1\u7406\u753b\u9762\u3067\u306e\u8a2d\u5b9a\u5909\u66f4\u306a\u3069\u304c\u5f53\u3066\u306f\u307e\u308a\u307e\u3059\u3002<strong>\u30ed\u30b0\u30a4\u30f3\u5f8c\u306b\u300c\u4f55\u304b\u3092\u5909\u66f4\u3067\u304d\u308b\u753b\u9762\u300d\u304c\u3042\u308b\u30b5\u30a4\u30c8\u306f\u3001\u3069\u308c\u3082\u5bfe\u8c61\u306b\u306a\u308a\u5f97\u308b<\/strong>\u3068\u8003\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>CSRF\u3068XSS\u306f\u3069\u3061\u3089\u3082\u5229\u7528\u8005\u306e\u30d6\u30e9\u30a6\u30b6\u3092\u60aa\u7528\u3059\u308b\u304c\u3001CSRF\u306f\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3055\u305b\u305a\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3060\u3051\u3092\u507d\u9020\u3059\u308b<\/h3>\n<p>CSRF\u3068XSS\u306e\u9055\u3044\u306f\u3001<strong>\u653b\u6483\u8005\u304c\u5229\u7528\u8005\u306e\u30d6\u30e9\u30a6\u30b6\u306b\u4f55\u3092\u3055\u305b\u308b\u304b<\/strong>\u306b\u3042\u308a\u307e\u3059\u3002SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3082\u542b\u3081\u3066\u30013\u3064\u306e\u653b\u6483\u3092\u8868\u3067\u6bd4\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>CSRF<\/th>\n<th>XSS<\/th>\n<th>SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u653b\u6483\u8005\u304c\u60aa\u7528\u3059\u308b\u3082\u306e<\/td>\n<td>\u5229\u7528\u8005\u306e\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\uff08Cookie\uff09<\/td>\n<td>Web\u30da\u30fc\u30b8\u3078\u306e\u5165\u529b\u5024\u306e\u8868\u793a\u51e6\u7406<\/td>\n<td>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u547d\u4ee4\u306e\u7d44\u307f\u7acb\u3066\u51e6\u7406<\/td>\n<\/tr>\n<tr>\n<td>\u653b\u6483\u304c\u5b9f\u884c\u3055\u308c\u308b\u5834\u6240<\/td>\n<td>\u6a19\u7684\u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\uff08\u5229\u7528\u8005\u306e\u6a29\u9650\u3067\u51e6\u7406\uff09<\/td>\n<td>\u5229\u7528\u8005\u306e\u30d6\u30e9\u30a6\u30b6\uff08\u6a19\u7684\u30b5\u30a4\u30c8\u4e0a\u3067\u52d5\u304f\uff09<\/td>\n<td>\u6a19\u7684\u30b5\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/td>\n<\/tr>\n<tr>\n<td>\u4e3b\u306a\u88ab\u5bb3<\/td>\n<td>\u9001\u91d1\u3084\u8a2d\u5b9a\u5909\u66f4\u306a\u3069\u3001\u610f\u56f3\u3057\u306a\u3044\u64cd\u4f5c<\/td>\n<td>Cookie\u306e\u76d7\u307f\u53d6\u308a\u3001\u507d\u753b\u9762\u306e\u8868\u793a<\/td>\n<td>\u60c5\u5831\u306e\u76d7\u307f\u53d6\u308a\u3001\u30c7\u30fc\u30bf\u306e\u6539\u3056\u3093<\/td>\n<\/tr>\n<tr>\n<td>\u5bfe\u7b56\u306e\u4e2d\u5fc3<\/td>\n<td>\u30c8\u30fc\u30af\u30f3\u691c\u8a3c\u3001SameSite\u5c5e\u6027<\/td>\n<td>\u51fa\u529b\u6642\u306e\u7121\u5bb3\u5316\uff08\u30a8\u30b9\u30b1\u30fc\u30d7\uff09<\/td>\n<td>\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\u306e\u5229\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>CSRF\u3068XSS\u306f\u540d\u524d\u304c\u4f3c\u3066\u3044\u308b\u305f\u3081\u3001\u6df7\u540c\u3055\u308c\u3084\u3059\u3044\u653b\u6483\u3067\u3059\u3002<a href=\"https:\/\/venu-sys.co.jp\/jo-sys\/11092\/\">\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\uff08XSS\uff09<\/a>\u306f\u3001\u7f60\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u6a19\u7684\u30b5\u30a4\u30c8\u4e0a\u3067\u52d5\u304b\u3059\u653b\u6483\u3067\u3059\u3002\u3053\u308c\u306b\u5bfe\u3057CSRF\u306f\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u52d5\u304b\u3055\u305a\u3001\u5229\u7528\u8005\u306e\u6a29\u9650\u3067\u6b63\u898f\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u3089\u305b\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u4e21\u8005\u306f\u7121\u95a2\u4fc2\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b5\u30a4\u30c8\u306bXSS\u306e\u8106\u5f31\u6027\u304c\u3042\u308b\u3068\u3001CSRF\u5bfe\u7b56\u304c\u7834\u3089\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<strong>CSRF\u5bfe\u7b56\u306f\u3001XSS\u5bfe\u7b56\u3068\u30bb\u30c3\u30c8\u3067\u8003\u3048\u308b<\/strong>\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<h2>CSRF\u306fIPA\u306e\u8106\u5f31\u6027\u5c4a\u51fa\u7d71\u8a08\u3067\u500b\u5225\u306b\u96c6\u8a08\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u5358\u72ec\u306e\u4ef6\u6570\u306f\u516c\u8868\u3055\u308c\u3066\u3044\u306a\u3044<\/h2>\n<p>IPA\u3068JPCERT\/CC\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3068\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u88fd\u54c1\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306e\u5c4a\u51fa\u3092\u53d7\u3051\u4ed8\u3051\u3066\u3044\u307e\u3059\u3002\u5c4a\u51fa\u306e\u4ef6\u6570\u306f\u3001\u56db\u534a\u671f\u3054\u3068\u306b\u96c6\u8a08\u30fb\u516c\u8868\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u533a\u5206\u306e\u5c4a\u51fa\u306f\u30012026\u5e74\u7b2c2\u56db\u534a\u671f\u672b\u6642\u70b9\u3067\u7d2f\u8a0813,599\u4ef6\u3067\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u3053\u306e\u4ef6\u6570\u306f\u767a\u898b\u8005\u304c\u4efb\u610f\u3067\u5c4a\u3051\u51fa\u305f\u8106\u5f31\u6027\u306e\u6570\u3067\u3059\u3002\u5b9f\u969b\u306b\u8d77\u304d\u305f\u88ab\u5bb3\u3092\u3059\u3079\u3066\u6570\u3048\u305f\u8abf\u67fb\u3067\u306f\u306a\u3044\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\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\u7ae0\u3067\u6271\u3046\u6570\u5024\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u5168\u822c\u3001\u307e\u305f\u306fXSS\u30fbSQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u5024\u3067\u3059\u3002<strong>CSRF\u5358\u72ec\u306e\u5024\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong>CSRF\u306e\u4ef6\u6570\u3084\u5272\u5408\u3068\u3057\u3066\u5f15\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n<h3>IPA\u304c\u7a2e\u985e\u5225\u5272\u5408\u3092\u793a\u30597\u533a\u5206\u306bCSRF\u306f\u542b\u307e\u308c\u305a\u3001XSS\uff08\u7d2f\u8a0856%\uff09\u3084SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\uff08\u540c11%\uff09\u306e\u3088\u3046\u306a\u5358\u72ec\u306e\u5272\u5408\u306f\u7121\u3044<\/h3>\n<p>IPA\u306e\u5c4a\u51fa\u7d71\u8a08\u3067\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u306e\u7a2e\u985e\u5225\u306e\u5272\u5408\u30927\u3064\u306e\u533a\u5206\u3067\u793a\u3057\u3066\u3044\u307e\u3059\u3002CSRF\u306f\u3053\u306e7\u533a\u5206\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>IPA\u306f\u540c\u3058\u30ec\u30dd\u30fc\u30c8\u306e\u4ed8\u8868\u3067\u3001CSRF\u3092\u300c\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30fb\u30ea\u30af\u30a8\u30b9\u30c8\u30fb\u30d5\u30a9\u30fc\u30b8\u30a7\u30ea\u300d\u3068\u3057\u3066\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u306e\u7a2e\u985e\u306e\u4e00\u3064\u306b\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u7a2e\u985e\u5225\u306e\u96c6\u8a08\u3067\u306f\u500b\u5225\u306b\u8868\u793a\u3057\u3066\u3044\u307e\u305b\u3093\u3002<mark>\u305d\u306e\u305f\u3081\u3001\u516c\u8868\u8cc7\u6599\u304b\u3089CSRF\u5358\u72ec\u306e\u5024\u306f\u53d6\u308a\u51fa\u305b\u307e\u305b\u3093\u3002<\/mark><\/p>\n<p>2026\u5e74\u7b2c2\u56db\u534a\u671f\u672b\u6642\u70b9\u306e\u7d2f\u8a08\u30b7\u30a7\u30a2\u306f\u3001XSS\u304c56%\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u304c11%\u3067\u3059\u30022\u3064\u3092\u5408\u308f\u305b\u308b\u3068\u7d043\u5206\u306e2\u306b\u306a\u308a\u307e\u3059\u3002\u3044\u305a\u308c\u3082\u5c4a\u51fa\u5236\u5ea6\u306e\u958b\u59cb\u4ee5\u964d\u306e\u7d2f\u8a08\u306e\u5024\u3067\u3059\u3002<\/p>\n<p>IPA\u306e\u30ec\u30dd\u30fc\u30c8\u3067\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u306e\u7a2e\u985e\u3092\u6b21\u306e\u533a\u5206\u3067\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30fb\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0<\/li>\n<li>SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/li>\n<li>DNS\u60c5\u5831\u306e\u8a2d\u5b9a\u4e0d\u5099<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u306e\u8aa4\u3063\u305f\u516c\u958b<\/li>\n<li>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fb\u30c8\u30e9\u30d0\u30fc\u30b5\u30eb<\/li>\n<li>HTTPS\u306e\u4e0d\u9069\u5207\u306a\u5229\u7528<\/li>\n<li>\u305d\u306e\u4ed6<\/li>\n<\/ul>\n<p>\u3053\u306e\u533a\u5206\u69cb\u6210\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001XSS\u3084SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3068\u6bd4\u3079\u3066\u3001CSRF\u306f\u7d71\u8a08\u4e0a\u306e\u6271\u3044\u304c\u7570\u306a\u308b\u3068\u3044\u3046\u70b9\u3067\u3059\u3002CSRF\u304c\u500b\u5225\u306b\u96c6\u8a08\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u516c\u7684\u7d71\u8a08\u304b\u3089\u306f\u300cCSRF\u306fXSS\u3088\u308a\u5c11\u306a\u3044\u300d\u3068\u3082\u300c\u8efd\u8996\u3057\u3066\u3088\u3044\u300d\u3068\u3082\u8a00\u3048\u307e\u305b\u3093\u3002<\/p>\n<h3>XSS\u306e56%\u306f\u5c4a\u51fa\u5236\u5ea6\u306e\u958b\u59cb\u4ee5\u964d\u306e\u7d2f\u8a08\u3067\u30012026\u5e744\u301c6\u6708\u306e\u5c4a\u51fa\u306b\u9650\u308b\u3068XSS\u306f65\u4ef6\u4e2d8\u4ef6\u306b\u3068\u3069\u307e\u308b<\/h3>\n<p>\u300cXSS\u304c\u904e\u534a\u6570\u3092\u5360\u3081\u308b\u306a\u3089\u3001CSRF\u306f\u5c11\u306a\u3044\u306f\u305a\u300d\u3068\u8003\u3048\u305f\u304f\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001<strong>\u7d2f\u8a08\u30b7\u30a7\u30a2\u306f\u904e\u53bb\u306e\u5c4a\u51fa\u306e\u69cb\u6210\u3092\u5f37\u304f\u53cd\u6620\u3057\u305f\u5024<\/strong>\u306a\u306e\u3067\u3001\u305d\u306e\u3088\u3046\u306b\u306f\u8aad\u3081\u307e\u305b\u3093\u3002<\/p>\n<p>XSS\u306e\u7d2f\u8a08\u30b7\u30a7\u30a2\u306f\u30012025\u5e74\u7b2c4\u56db\u534a\u671f\u672b\u6642\u70b9\u306757%\u30012026\u5e74\u7b2c2\u56db\u534a\u671f\u672b\u6642\u70b9\u306756%\u3067\u3057\u305f\u3002\u307b\u3068\u3093\u3069\u5909\u308f\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u80cc\u666f\u306b\u306f\u3001\u6bcd\u6570\u306e\u5927\u304d\u3055\u304c\u3042\u308a\u307e\u3059\u3002\u7d2f\u8a08\u306e\u5c4a\u51fa\u306f2025\u5e74\u7b2c4\u56db\u534a\u671f\u672b\u306713,467\u4ef6\u30012026\u5e74\u7b2c2\u56db\u534a\u671f\u672b\u306713,599\u4ef6\u3067\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u30012026\u5e744\u301c6\u6708\u306e1\u56db\u534a\u671f\u306b\u9650\u308b\u3068\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u533a\u5206\u306e\u5c4a\u51fa65\u4ef6\u306e\u3046\u3061\u3001XSS\u306f8\u4ef6\u3067\u3057\u305f\u3002\u5272\u5408\u306b\u3059\u308b\u30681\u5272\u5f37\u3067\u3059\u3002XSS\u306f\u3053\u306e\u56db\u534a\u671f\u3067\u3082\u6700\u3082\u591a\u3044\u7a2e\u985e\u3067\u3057\u305f\u304c\u3001\u7d2f\u8a08\u306e56%\u3068\u306f\u5927\u304d\u304f\u96e2\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u6bd4\u8f03\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001\u7d2f\u8a08\u30b7\u30a7\u30a2\u306f\u904e\u53bb\u306e\u5c4a\u51fa\u69cb\u6210\u3092\u6620\u3057\u305f\u5024\u3060\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<strong>\u73fe\u5728\u306e\u8106\u5f31\u6027\u306e\u69cb\u6210\u3084\u3001CSRF\u306e\u591a\u3044\u5c11\u306a\u3044\u3092\u793a\u3059\u6570\u5b57\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong><\/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\/vuln\/software\/2026q2.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\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300d<\/a>\uff0f<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\uff0810\u6708\u301c12\u6708\uff09\uff3d\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">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\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff3d\u300d\u30ec\u30dd\u30fc\u30c8\uff08PDF\uff09<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/omgdg50000007gdr-att\/vuln_software_report_2025q4.pdf\">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\u30ec\u30dd\u30fc\u30c8\uff08PDF\uff09<\/a><\/p>\n<h2>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u5168\u822c\u306e\u5c4a\u51fa\u306f2\u5e74\u3067\u7d0465%\u6e1b\u3063\u305f\u4e00\u65b9\u3001\u8106\u5f31\u6027\u306e\u60aa\u7528\u306f2026\u5e74\u724810\u5927\u8105\u5a01\uff08\u7d44\u7e54\uff09\u30674\u4f4d\u306b\u5165\u3063\u3066\u3044\u308b<\/h2>\n<p>\u540c\u3058IPA\u304c\u516c\u8868\u3057\u3066\u3044\u308b2\u3064\u306e\u6307\u6a19\u306f\u3001\u9006\u306e\u65b9\u5411\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u5168\u822c\u306e\u5c4a\u51fa\u306f\u6e1b\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u8106\u5f31\u6027\u306e\u60aa\u7528\u306f\u7d44\u7e54\u306b\u3068\u3063\u3066\u306e\u8105\u5a01\u3068\u3057\u3066\u4e0a\u4f4d\u306b\u6319\u3052\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u7ae0\u3067\u306f\u30012\u3064\u306e\u6570\u5024\u306e\u4e2d\u8eab\u3068\u3001\u305d\u3053\u304b\u3089CSRF\u306b\u3064\u3044\u3066\u8a00\u3048\u308b\u3053\u3068\u3092\u6574\u7406\u3057\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\">\u5c4a\u51fa\u4ef6\u6570\u306f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u5168\u822c\u306e\u5024\u3067\u3059\u300210\u5927\u8105\u5a01\u306f\u3001\u8106\u5f31\u6027\u306e\u60aa\u7528\u5168\u822c\u306b\u3064\u3044\u3066\u306e\u8a55\u4fa1\u3067\u3059\u3002<strong>\u3069\u3061\u3089\u3082CSRF\u5358\u72ec\u306e\u5024\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong><\/p>\n<\/div>\n<h3>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u5168\u822c\u306e\u5c4a\u51fa\u4ef6\u6570\u306f\u30012023\u5e74\u306e505\u4ef6\u304b\u30892025\u5e74\u306e178\u4ef6\u3078\u6e1b\u5c11\u3057\u3066\u3044\u308b<\/h3>\n<p>IPA\u306b\u5c4a\u3051\u51fa\u3089\u308c\u305f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u306f\u3001<strong>2023\u5e74\u306e505\u4ef6\u304b\u30892025\u5e74\u306e178\u4ef6\u3078\u3001\u7d0465%\u6e1b\u308a\u307e\u3057\u305f<\/strong>\u3002\u5e74\u3054\u3068\u306e\u4ef6\u6570\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5e74<\/th>\n<th>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u533a\u5206\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306e\u5c4a\u51fa\u4ef6\u6570\uff08\u5168\u7a2e\u985e\u306e\u5408\u8a08\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2023\u5e74<\/td>\n<td>505\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>2024\u5e74<\/td>\n<td>336\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>2025\u5e74<\/td>\n<td>178\u4ef6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" alt=\"\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8106\u5f31\u6027\u95a2\u9023\u60c5\u5831\u306e\u5c4a\u51fa\u4ef6\u6570\uff082023\u301c2025\u5e74\u8abf\u67fb\u3001CSRF\u5358\u72ec\u306e\u5024\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff09\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/11\/figure1-vuln-reports.png\" \/><\/p>\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\/vuln\/software\/2023q4.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\u300d2023\u5e74\u7b2c4\u56db\u534a\u671f<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2024q4.html\">2024\u5e74\u7b2c4\u56db\u534a\u671f<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2025q4.html\">2025\u5e74\u7b2c4\u56db\u534a\u671f<\/a>\u306e\u30c7\u30fc\u30bf\u3092\u3082\u3068\u306b\u4f5c\u6210<\/p>\n<p>\u3053\u306e\u6e1b\u5c11\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001\u4ef6\u6570\u304c\u6e1b\u3063\u3066\u3082\u30b5\u30a4\u30c8\u304c\u5b89\u5168\u306b\u306a\u3063\u305f\u3068\u306f\u8a00\u3048\u306a\u3044\u70b9\u3067\u3059\u3002\u5c4a\u51fa\u306f\u767a\u898b\u8005\u306b\u3088\u308b\u4efb\u610f\u306e\u5c4a\u3051\u51fa\u306a\u306e\u3067\u3001\u5c4a\u3051\u51fa\u308b\u4eba\u304c\u6e1b\u308c\u3070\u4ef6\u6570\u3082\u6e1b\u308a\u307e\u3059\u3002<\/p>\n<p>\u7a2e\u985e\u5225\u306e\u5185\u8a33\u306f\u3001IPA\u306e\u30ec\u30dd\u30fc\u30c8\u3067\u904e\u53bb2\u5e74\u5206\u306e\u56db\u534a\u671f\u3054\u3068\u306e\u4ef6\u6570\u304c\u30b0\u30e9\u30d5\u3067\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001CSRF\u306f\u500b\u5225\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001CSRF\u3082\u540c\u3058\u3088\u3046\u306b\u6e1b\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>IPA\u306f\u300c\u30b7\u30b9\u30c6\u30e0\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u305f\u653b\u6483\u300d\u30922026\u5e74\u724810\u5927\u8105\u5a01\uff08\u7d44\u7e54\uff09\u306e4\u4f4d\u306b\u6319\u3052\u3001\u9078\u51fa\u306f6\u5e74\u9023\u7d9a\u3068\u306a\u3063\u305f<\/h3>\n<p>IPA\u306e\u300c\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a310\u5927\u8105\u5a01 2026\u300d\u306e\u7d44\u7e54\u7de8\u3067\u306f\u3001<strong>\u300c\u30b7\u30b9\u30c6\u30e0\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u305f\u653b\u6483\u300d\u304c4\u4f4d\u306b\u5165\u3063\u3066\u3044\u307e\u3059<\/strong>\u3002\u3053\u306e\u8105\u5a01\u306e\u9078\u51fa\u306f6\u5e74\u9023\u7d9a\u3067\u3059\u3002<\/p>\n<p>IPA\u306e\u89e3\u8aac\u66f8\u306f\u3001OS\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u3001CMS\uff08\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u542b\u3080\uff09\u306a\u3069\u306e\u88fd\u54c1\u3067\u898b\u3064\u304b\u3063\u305f\u8106\u5f31\u6027\u304c\u3001\u5bfe\u7b56\u524d\u306b\u60aa\u7528\u3055\u308c\u308b\u30b1\u30fc\u30b9\u3092\u4e2d\u5fc3\u306b\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002CSRF\u3068\u3044\u3046\u8a00\u8449\u306f\u51fa\u3066\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>CMS\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306a\u3069\u306e\u88fd\u54c1\u3067CSRF\u306e\u8106\u5f31\u6027\u304c\u516c\u8868\u3055\u308c\u308b\u4f8b\u306f\u3042\u308a\u30012026\u5e74\u7b2c2\u56db\u534a\u671f\u306eIPA\u306e\u30ec\u30dd\u30fc\u30c8\u306b\u3082\u3001WordPress\u7528\u30d7\u30e9\u30b0\u30a4\u30f3\u306eCSRF\u306e\u8106\u5f31\u6027\u304cJVN\u306e\u516c\u8868\u4f8b\u3068\u3057\u3066\u8f09\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u8106\u5f31\u6027\u306e\u60aa\u7528\u306f\u3053\u306e\u8105\u5a01\u306b\u95a2\u4fc2\u3057\u307e\u3059\u304c\u3001\u81ea\u793e\u3067\u958b\u767a\u3057\u305fWeb\u30a2\u30d7\u30ea\u306eCSRF\u307e\u3067\u542b\u3081\u305f\u8a55\u4fa1\u304b\u3069\u3046\u304b\u306f\u3001\u89e3\u8aac\u66f8\u304b\u3089\u306f\u8aad\u307f\u53d6\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u305f\u3060\u3057\u300110\u5927\u8105\u5a01\u306f\u9078\u8003\u4f1a\u306b\u3088\u308b\u5b9a\u6027\u7684\u306a\u8a55\u4fa1\u3067\u3059\u3002\u4ef6\u6570\u3092\u96c6\u8a08\u3057\u305f\u7d50\u679c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u9806\u4f4d\u304b\u3089\u5206\u304b\u308b\u306e\u306f\u3001\u8106\u5f31\u6027\u306e\u60aa\u7528\u5168\u822c\u304c\u7d44\u7e54\u306e\u91cd\u8981\u306a\u8105\u5a01\u3068\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u307e\u3067\u3067\u3059\u3002XSS\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3001CSRF\u306e\u305d\u308c\u305e\u308c\u304c\u9806\u4f4d\u306b\u3069\u306e\u7a0b\u5ea6\u5f71\u97ff\u3057\u3066\u3044\u308b\u304b\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u3002<strong>4\u4f4d\u3068\u3044\u3046\u9806\u4f4d\u3092\u3001CSRF\u306e\u9806\u4f4d\u3068\u3057\u3066\u5f15\u7528\u3057\u306a\u3044\u3088\u3046\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong><\/p>\n<h3>\u5c4a\u51fa\u306e\u6e1b\u5c11\u3068\u8105\u5a01\u9806\u4f4d\u306e\u305a\u308c\u306f\u6e2c\u308b\u5bfe\u8c61\u306e\u9055\u3044\u306b\u3088\u308b\u3082\u306e\u3067\u3001CSRF\u306e\u8105\u5a01\u304c\u5c0f\u3055\u3044\u3053\u3068\u3092\u793a\u3059\u6839\u62e0\u306b\u306f\u306a\u3089\u306a\u3044<\/h3>\n<p>2\u3064\u306e\u7d71\u8a08\u304b\u3089\u8aad\u307f\u53d6\u308c\u308b\u306e\u306f\u3001<mark>CSRF\u304c\u7d71\u8a08\u306b\u73fe\u308c\u306a\u3044\u306e\u306f\u96c6\u8a08\u533a\u5206\u306e\u4f5c\u308a\u65b9\u306b\u3088\u308b\u3082\u306e\u3067\u3001\u8105\u5a01\u304c\u5c0f\u3055\u3044\u8a3c\u62e0\u3067\u306f\u306a\u3044<\/mark>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p>\n<p>\u5c4a\u51fa\u306f\u300c\u767a\u898b\u8005\u304c\u5c4a\u3051\u51fa\u305f\u8106\u5f31\u6027\u306e\u6570\u300d\u3092\u300110\u5927\u8105\u5a01\u306f\u300c\u793e\u4f1a\u7684\u306a\u5f71\u97ff\u306e\u8a55\u4fa1\u300d\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u30022025\u5e74\u306e\u5c4a\u51fa178\u4ef6\u30682026\u5e74\u7248\u306e4\u4f4d\u306f\u3001\u6bd4\u3079\u3089\u308c\u308b\u6570\u5b57\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u5c4a\u51fa\u7d71\u8a08\u3067\u306fCSRF\u5358\u72ec\u306e\u4ef6\u6570\u3084\u5272\u5408\u304c\u516c\u8868\u3055\u308c\u3066\u304a\u3089\u305a\u300110\u5927\u8105\u5a01\u3067\u3082CSRF\u306f\u500b\u5225\u306e\u8105\u5a01\u3068\u3057\u3066\u6319\u3052\u3089\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u4e00\u65b9\u3067\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u30c8\u30fc\u30af\u30f3\u3092\u6a19\u6e96\u3067\u5099\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u4e3b\u8981\u30d6\u30e9\u30a6\u30b6\u306e\u4e00\u90e8\u304cSameSite\u5c5e\u6027\u306e\u65e2\u5b9a\u5024\u3092Lax\u306b\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u7d50\u679c\u3001\u8106\u5f31\u306a\u30b5\u30a4\u30c8\u304c\u5b9f\u969b\u306b\u6e1b\u3063\u305f\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u88cf\u3065\u3051\u308b\u516c\u7684\u30c7\u30fc\u30bf\u306f\u3042\u308a\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\">\u30dd\u30a4\u30f3\u30c8<\/p>\n<ul style=\"margin:0;padding-left:20px\">\n<li>\u5c4a\u51fa\u4ef6\u6570\u306810\u5927\u8105\u5a01\u306f\u3001\u6e2c\u3063\u3066\u3044\u308b\u5bfe\u8c61\u304c\u9055\u3046<\/li>\n<li>\u3069\u3061\u3089\u306e\u7d71\u8a08\u3067\u3082\u3001CSRF\u5358\u72ec\u306e\u4ef6\u6570\u3084\u9806\u4f4d\u306f\u793a\u3055\u308c\u3066\u3044\u306a\u3044<\/li>\n<li>CSRF\u304c\u7d71\u8a08\u306b\u51fa\u3066\u3053\u306a\u3044\u3053\u3068\u306f\u3001\u8105\u5a01\u304c\u5c0f\u3055\u3044\u6839\u62e0\u306b\u306a\u3089\u306a\u3044<\/li>\n<li>\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3084\u30d6\u30e9\u30a6\u30b6\u306e\u5909\u5316\u3067\u30ea\u30b9\u30af\u304c\u4e0b\u304c\u3063\u305f\u53ef\u80fd\u6027\u3082\u3042\u308b\u304c\u3001\u88cf\u3065\u3051\u308b\u516c\u7684\u30c7\u30fc\u30bf\u306f\u7121\u3044<\/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\/reports\/vuln\/software\/2023q4.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\u300d2023\u5e74\u7b2c4\u56db\u534a\u671f<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2024q4.html\">2024\u5e74\u7b2c4\u56db\u534a\u671f<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2025q4.html\">2025\u5e74\u7b2c4\u56db\u534a\u671f<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">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\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff3d\u300d\u30ec\u30dd\u30fc\u30c8\uff08PDF\uff09<\/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>CSRF\u5bfe\u7b56\u306e\u4e2d\u5fc3\u306f\u3001Web\u30a2\u30d7\u30ea\u5074\u3067\u306e\u30c8\u30fc\u30af\u30f3\u691c\u8a3c\u3068Cookie\u306eSameSite\u5c5e\u6027\u306e\u8a2d\u5b9a<\/h2>\n<p>CSRF\u3067\u306f\u3001\u6b63\u898f\u306e\u5229\u7528\u8005\u306e\u30d6\u30e9\u30a6\u30b6\u304b\u3089\u3001\u6b63\u3057\u3044\u5f62\u5f0f\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u5c4a\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u5bfe\u7b56\u306e\u57fa\u672c\u306f\u3001<strong>\u305d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u672c\u4eba\u306e\u610f\u56f3\u3057\u305f\u64cd\u4f5c\u304b\u3069\u3046\u304b\u3092\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u3067\u78ba\u304b\u3081\u308b\u3053\u3068<\/strong>\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u7ae0\u3067\u306f\u3001\u5b9f\u88c5\u306e\u624b\u9806\u3067\u306f\u306a\u304f\u3001\u5bfe\u7b56\u306e\u8003\u3048\u65b9\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u958b\u767a\u4f1a\u793e\u306b\u300c\u4f55\u3092\u78ba\u8a8d\u3059\u308c\u3070\u3088\u3044\u304b\u300d\u304c\u5206\u304b\u308b\u3053\u3068\u3092\u76ee\u6307\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30c8\u30fc\u30af\u30f3\u65b9\u5f0f\u3068\u518d\u8a8d\u8a3c\u3067\u3001\u5229\u7528\u8005\u304c\u6b63\u898f\u306e\u753b\u9762\u304b\u3089\u672c\u4eba\u306e\u610f\u601d\u3067\u64cd\u4f5c\u3057\u305f\u3053\u3068\u3092\u78ba\u304b\u3081\u308b<\/h3>\n<p>CSRF\u5bfe\u7b56\u306e\u57fa\u672c\u306f\u3001<strong>\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u6b63\u898f\u306e\u753b\u9762\u304b\u3089\u9001\u3089\u308c\u305f\u3053\u3068\u3092\u78ba\u304b\u3081\u308b\u4ed5\u7d44\u307f<\/strong>\u3092\u5165\u308c\u308b\u3053\u3068\u3067\u3059\u3002\u4ee3\u8868\u7684\u306a\u306e\u304c\u30c8\u30fc\u30af\u30f3\u65b9\u5f0f\u3067\u3059\u3002<\/p>\n<p>\u30c8\u30fc\u30af\u30f3\u65b9\u5f0f\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u7b2c\u4e09\u8005\u306b\u63a8\u6e2c\u3067\u304d\u306a\u3044\u5024\u3092\u4f5c\u308a\u3001\u6b63\u898f\u306e\u753b\u9762\u306b\u57cb\u3081\u8fbc\u307f\u307e\u3059\u3002\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u5c4a\u3044\u305f\u3089\u3001\u305d\u306e\u5024\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u3092\u7167\u5408\u3057\u307e\u3059\u3002\u7f60\u30da\u30fc\u30b8\u306f\u3053\u306e\u5024\u3092\u77e5\u3089\u306a\u3044\u305f\u3081\u3001\u507d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u898b\u5206\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>IPA\u306f\u3001\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u30da\u30fc\u30b8\u3092POST\u30e1\u30bd\u30c3\u30c9\u3067\u53d7\u3051\u4ed8\u3051\u3001\u3053\u306e\u5024\u3092\u30d5\u30a9\u30fc\u30e0\u306e\u96a0\u3057\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u5165\u308c\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002GET\u3067\u9001\u308b\u3068\u3001\u5024\u304c\u5916\u90e8\u30b5\u30a4\u30c8\u306b\u6f0f\u308c\u308b\u304a\u305d\u308c\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u3082\u3046\u4e00\u3064\u306e\u65b9\u6cd5\u304c\u3001\u91cd\u8981\u306a\u64cd\u4f5c\u306e\u524d\u306b\u672c\u4eba\u306e\u610f\u601d\u3092\u78ba\u304b\u3081\u308b\u3084\u308a\u65b9\u3067\u3059\u3002\u9001\u91d1\u3084\u30d1\u30b9\u30ef\u30fc\u30c9\u5909\u66f4\u306e\u524d\u306b\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u518d\u5165\u529b\u3057\u3066\u3082\u3089\u3046\u65b9\u6cd5\u3084\u3001\u78ba\u8a8d\u753b\u9762\u3092\u631f\u3080\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u7f60\u30da\u30fc\u30b8\u306f\u3001\u5229\u7528\u8005\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u30c8\u30fc\u30af\u30f3\u65b9\u5f0f\u306f\u591a\u304f\u306e\u753b\u9762\u306b\u5e83\u304f\u4f7f\u3044\u3001\u518d\u8a8d\u8a3c\u306f\u7279\u306b\u91cd\u8981\u306a\u64cd\u4f5c\u306b\u4f7f\u3046\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<strong>2\u3064\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u672c\u4eba\u304c\u81ea\u5206\u306e\u610f\u601d\u3067\u64cd\u4f5c\u3057\u305f\u3053\u3068\u3092\u78ba\u304b\u3081\u308b<\/strong>\u3068\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>Cookie\u306bSameSite\u5c5e\u6027\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u4ed6\u306e\u30b5\u30a4\u30c8\u304b\u3089\u9001\u3089\u308c\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u30ed\u30b0\u30a4\u30f3\u60c5\u5831\u304c\u4ed8\u304b\u306a\u304f\u306a\u308b<\/h3>\n<p>SameSite\u5c5e\u6027\u306f\u3001<strong>\u4ed6\u306e\u30b5\u30a4\u30c8\u304b\u3089\u9001\u3089\u308c\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306bCookie\u3092\u4ed8\u3051\u308b\u304b\u3069\u3046\u304b\u3092\u6c7a\u3081\u308b\u8a2d\u5b9a<\/strong>\u3067\u3059\u3002CSRF\u306fCookie\u304c\u81ea\u52d5\u3067\u9001\u3089\u308c\u308b\u3053\u3068\u3092\u60aa\u7528\u3059\u308b\u305f\u3081\u3001\u3053\u306e\u8a2d\u5b9a\u304c\u5bfe\u7b56\u306b\u306a\u308a\u307e\u3059\u3002\u5024\u3054\u3068\u306e\u9055\u3044\u3092\u8868\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5024<\/th>\n<th>\u4ed6\u30b5\u30a4\u30c8\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3067Cookie\u3092\u9001\u308b\u304b<\/th>\n<th>\u5229\u4fbf\u6027\u3078\u306e\u5f71\u97ff<\/th>\n<th>CSRF\u3078\u306e\u52b9\u679c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Strict<\/td>\n<td>\u9001\u3089\u306a\u3044<\/td>\n<td>\u5916\u90e8\u30b5\u30a4\u30c8\u306e\u30ea\u30f3\u30af\u304b\u3089\u6765\u305f\u3068\u304d\u3082\u30ed\u30b0\u30a4\u30f3\u3057\u76f4\u3057\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308b<\/td>\n<td>\u9ad8\u3044<\/td>\n<\/tr>\n<tr>\n<td>Lax<\/td>\n<td>\u30da\u30fc\u30b8\u79fb\u52d5\u306e\u305f\u3081\u306e\u30ea\u30f3\u30af\u306a\u3069\u3001\u4e00\u90e8\u306e\u5834\u5408\u3060\u3051\u9001\u308b<\/td>\n<td>\u5f71\u97ff\u306f\u5c0f\u3055\u3044<\/td>\n<td>\u72b6\u614b\u3092\u5909\u3048\u308b\u64cd\u4f5c\u306e\u591a\u304f\u3092\u9632\u3052\u308b\uff08\u72b6\u614b\u3092\u5909\u3048\u308b\u51e6\u7406\u3092GET\u3067\u53d7\u3051\u4ed8\u3051\u3066\u3044\u308b\u5834\u5408\u306f\u9632\u3052\u306a\u3044\uff09<\/td>\n<\/tr>\n<tr>\n<td>None<\/td>\n<td>\u9001\u308b<\/td>\n<td>\u5f71\u97ff\u306a\u3057<\/td>\n<td>\u52b9\u679c\u306a\u3057<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e3b\u8981\u30d6\u30e9\u30a6\u30b6\u306e\u4e00\u90e8\u306f\u3001SameSite\u5c5e\u6027\u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044Cookie\u3092Lax\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6319\u52d5\u306f\u30d6\u30e9\u30a6\u30b6\u306e\u7a2e\u985e\u3084\u30b5\u30a4\u30c8\u306e\u8a2d\u5b9a\u306b\u3088\u3063\u3066\u5909\u308f\u308a\u307e\u3059\u3002\u307e\u305f\u3001SameSite\u5c5e\u6027\u306f\u300c\u540c\u3058\u30b5\u30a4\u30c8\u300d\u304b\u3069\u3046\u304b\u3067\u5224\u65ad\u3059\u308b\u305f\u3081\u3001\u540c\u3058\u30c9\u30e1\u30a4\u30f3\u306e\u5225\u306e\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u9001\u3089\u308c\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u306f\u52b9\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001SameSite\u5c5e\u6027\u3060\u3051\u306b\u983c\u3089\u305a\u3001\u30c8\u30fc\u30af\u30f3\u65b9\u5f0f\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u306e\u304c\u57fa\u672c\u3067\u3059\u3002<\/p>\n<p>\u9001\u4fe1\u5143\u3092Referer\u30d8\u30c3\u30c0\u30fc\u3067\u78ba\u304b\u3081\u308b\u65b9\u6cd5\u3082\u3042\u308a\u3001IPA\u306f\u3053\u308c\u3092\u6839\u672c\u7684\u89e3\u6c7a\u306e\u4e00\u3064\u306b\u6319\u3052\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001Referer\u3092\u9001\u3089\u306a\u3044\u8a2d\u5b9a\u306e\u5229\u7528\u8005\u304c\u30b5\u30a4\u30c8\u3092\u4f7f\u3048\u306a\u304f\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u306a\u3069\u306e\u6ce8\u610f\u70b9\u3082\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>WAF\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u4f01\u696d\u306f2025\u5e74\u306719.5%\u306b\u3068\u3069\u307e\u308a\u3001WAF\u306fCSRF\u5bfe\u7b56\u306e\u88dc\u52a9\u7684\u306a\u5f79\u5272\u306b\u3068\u3069\u307e\u308b<\/h3>\n<p>\u7dcf\u52d9\u7701\u306e\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u3067\u306f\u3001WAF\uff08Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff09\u306e\u5c0e\u5165\u72b6\u6cc1\u3092\u8abf\u3079\u3066\u3044\u307e\u3059\u3002\u5c0e\u5165\u4f01\u696d\u306e\u5272\u5408\u306f\u30012024\u5e74\u304c17.4%\u3001<strong>2025\u5e74\u304c<mark>19.5%<\/mark><\/strong>\u3067\u3057\u305f\u3002\u5bfe\u8c61\u306f\u5e38\u7528\u96c7\u7528\u8005100\u4eba\u4ee5\u4e0a\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u4f01\u696d\u3067\u3001\u8907\u6570\u56de\u7b54\u306e\u8a2d\u554f\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" alt=\"WAF\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u4f01\u696d\u306e\u5272\u5408\uff082024\u301c2025\u5e74\u8abf\u67fb\u3001\u5e38\u7528\u96c7\u7528\u8005100\u4eba\u4ee5\u4e0a\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u4f01\u696d\u3001\u8907\u6570\u56de\u7b54\uff09\" src=\"https:\/\/venu-sys.co.jp\/jo-sys\/wp-content\/uploads\/sites\/2\/2026\/11\/figure2-waf-rate.png\" \/><\/p>\n<p style=\"font-size:13px;color:#777;margin:0.5em 0 0\">\u56f3\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\u306e\u7d50\u679c\uff08\u6982\u8981\uff09\u5225\u7d192\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\uff08\u4f01\u696d\u7de8\uff09\u300d\u8abf\u67fb\u306e\u6982\u8981<\/a>\u306e\u30c7\u30fc\u30bf\u3092\u3082\u3068\u306b\u4f5c\u6210<\/p>\n<p>\u6bd4\u8f03\u3067\u304d\u308b\u306e\u306f2\u6642\u70b9\u3060\u3051\u306a\u306e\u3067\u3001\u5897\u52a0\u50be\u5411\u3068\u307e\u3067\u306f\u8a00\u3048\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u3053\u304b\u3089\u306f\u6280\u8853\u7684\u306a\u4e00\u822c\u8ad6\u3068\u3057\u3066\u306e\u898b\u89e3\u3067\u3059\u3002CSRF\u306e\u507d\u9020\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u3001\u6b63\u898f\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u304b\u3089\u6b63\u3057\u3044\u5f62\u5f0f\u3067\u5c4a\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u901a\u4fe1\u306e\u4e2d\u8eab\u304b\u3089\u653b\u6483\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u63a2\u3059WAF\u3067\u306f\u898b\u5206\u3051\u306b\u304f\u3044\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002CSRF\u5bfe\u7b56\u306e\u6a5f\u80fd\u3092\u6301\u3064WAF\u88fd\u54c1\u3082\u3042\u308b\u305f\u3081\u3001\u7121\u95a2\u4fc2\u3068\u307e\u3067\u306f\u8a00\u3048\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305f\u3001\u30c8\u30fc\u30af\u30f3\u3084SameSite\u5c5e\u6027\u306e\u5b9f\u65bd\u7387\u3092\u8abf\u3079\u305f\u516c\u7684\u8abf\u67fb\u306f\u78ba\u8a8d\u3067\u304d\u307e\u305b\u3093\u3002<strong>WAF\u5c0e\u5165\u7387\u306e\u4e0a\u6607\u3092\u3001CSRF\u5bfe\u7b56\u304c\u9032\u3093\u3060\u8a3c\u62e0\u3068\u3057\u3066\u6271\u3046\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093<\/strong>\u3002<\/p>\n<h3>\u60c5\u30b7\u30b9\u306f\u958b\u767a\u4f1a\u793e\u3078\u306e\u767a\u6ce8\u6642\u3068\u8106\u5f31\u6027\u8a3a\u65ad\u306e\u969b\u306b\u3001CSRF\u5bfe\u7b56\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u304b\u3081\u308b<\/h3>\n<p>CSRF\u5bfe\u7b56\u304c\u5165\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u306f\u3001<strong>\u81ea\u793e\u306e\u30b7\u30b9\u30c6\u30e0\u3054\u3068\u306b\u78ba\u304b\u3081\u308b\u3057\u304b\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002\u524d\u306e\u7bc0\u3067\u898b\u305f\u3068\u304a\u308a\u3001\u5bfe\u7b56\u306e\u5b9f\u65bd\u72b6\u6cc1\u306f\u516c\u7684\u7d71\u8a08\u3067\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u3002WAF\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3067\u3082\u5224\u65ad\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u958b\u767a\u4f1a\u793e\u3078\u306e\u767a\u6ce8\u6642\u3084\u3001\u516c\u958b\u524d\u306e<a href=\"https:\/\/venu-sys.co.jp\/jo-sys\/10540\/\">\u8106\u5f31\u6027\u8a3a\u65ad<\/a>\u306e\u969b\u306b\u3001\u6b21\u306e\u70b9\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li>\u9001\u91d1\u3084\u8a2d\u5b9a\u5909\u66f4\u306a\u3069\u3001\u72b6\u614b\u3092\u5909\u3048\u308b\u753b\u9762\u3067\u30c8\u30fc\u30af\u30f3\u3092\u691c\u8a3c\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u3092\u4fdd\u3064Cookie\u306b\u3001SameSite\u5c5e\u6027\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u30d1\u30b9\u30ef\u30fc\u30c9\u5909\u66f4\u306a\u3069\u306e\u91cd\u8981\u306a\u64cd\u4f5c\u3067\u3001\u518d\u8a8d\u8a3c\u3092\u6c42\u3081\u3066\u3044\u308b\u304b<\/li>\n<li>\u91cd\u8981\u306a\u64cd\u4f5c\u304c\u884c\u308f\u308c\u305f\u3068\u304d\u306b\u3001\u767b\u9332\u6e08\u307f\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3078\u901a\u77e5\u3057\u3066\u3044\u308b\u304b\uff08IPA\u304c\u4fdd\u967a\u7684\u5bfe\u7b56\u3068\u3057\u3066\u6319\u3052\u308b\u65b9\u6cd5\uff09<\/li>\n<li>\u8106\u5f31\u6027\u8a3a\u65ad\u306e\u5bfe\u8c61\u306b\u3001XSS\u5bfe\u7b56\u3068\u3042\u308f\u305b\u3066CSRF\u5bfe\u7b56\u3092\u542b\u3081\u3066\u3044\u308b\u304b<\/li>\n<li>\u5229\u7528\u8005\u306b\u300c\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u307e\u307e\u4e0d\u5be9\u306a\u30ea\u30f3\u30af\u3092\u958b\u304b\u306a\u3044\u300d\u3088\u3046\u5468\u77e5\u3057\u3066\u3044\u308b\u304b<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306f\u3001\u958b\u767a\u8005\u3067\u306a\u304f\u3066\u3082\u8cea\u554f\u3067\u304d\u308b\u5185\u5bb9\u3067\u3059\u3002<strong>\u767a\u6ce8\u6642\u306e\u8981\u4ef6\u3068\u8a3a\u65ad\u306e\u7bc4\u56f2\u306bCSRF\u5bfe\u7b56\u3092\u542b\u3081\u3066\u304a\u304f<\/strong>\u3053\u3068\u3067\u3001\u5bfe\u7b56\u306e\u629c\u3051\u3092\u9632\u304e\u3084\u3059\u304f\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\/main_content\/001074768.pdf\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c7\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u306e\u7d50\u679c\uff08\u6982\u8981\uff09\u5225\u7d192\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\uff08\u4f01\u696d\u7de8\uff09\u300d\u8abf\u67fb\u306e\u6982\u8981<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/vuln\/websecurity\/csrf.html\">IPA\u300c\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u4f5c\u308a\u65b9 1.6 CSRF\uff08\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30fb\u30ea\u30af\u30a8\u30b9\u30c8\u30fb\u30d5\u30a9\u30fc\u30b8\u30a7\u30ea\uff09\u300d<\/a><\/p>\n<h2>\u307e\u3068\u3081\uff1aCSRF\u306f\u7d71\u8a08\u306b\u8868\u308c\u306b\u304f\u3044\u304b\u3089\u3053\u305d\u3001\u30c8\u30fc\u30af\u30f3\u3068SameSite\u5c5e\u6027\u3067\u81ea\u793e\u306e\u5bfe\u7b56\u3092\u78ba\u304b\u3081\u308b<\/h2>\n<p>CSRF\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u4e2d\u306e\u5229\u7528\u8005\u306e\u6a29\u9650\u3092\u501f\u308a\u3066\u3001\u610f\u56f3\u3057\u306a\u3044\u64cd\u4f5c\u3092\u5b9f\u884c\u3055\u305b\u308b\u653b\u6483\u3067\u3059\u3002XSS\u3068\u9055\u3044\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u52d5\u304b\u3055\u305a\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3060\u3051\u3092\u507d\u9020\u3057\u307e\u3059\u3002<\/p>\n<p>\u516c\u7684\u7d71\u8a08\u306bCSRF\u5358\u72ec\u306e\u5024\u306f\u3042\u308a\u307e\u305b\u3093\u3002XSS\u306e\u7d2f\u8a08\u30b7\u30a7\u30a256%\uff082026\u5e74\u7b2c2\u56db\u534a\u671f\u672b\u6642\u70b9\uff09\u30682025\u5e74\u306e\u5c4a\u51fa178\u4ef6\u306f\u3001\u8106\u5f31\u6027\u5168\u822c\u306e\u5024\u3067\u3059\u30022026\u5e74\u724810\u5927\u8105\u5a01\u306e4\u4f4d\u3082\u3001\u8106\u5f31\u6027\u306e\u60aa\u7528\u5168\u822c\u306e\u8a55\u4fa1\u3067\u3059\u3002<\/p>\n<p><mark>\u7d71\u8a08\u306b\u51fa\u306a\u3044\u3053\u3068\u306f\u3001\u8105\u5a01\u304c\u5c0f\u3055\u3044\u6839\u62e0\u306b\u306a\u308a\u307e\u305b\u3093<\/mark>\u3002\u81ea\u793e\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u5bfe\u7b56\u3092\u78ba\u304b\u3081\u307e\u3057\u3087\u3046\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>CSRF\u306fCookie\u3092\u60aa\u7528\u3057\u3001\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u306e\u307e\u307e\u507d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u901a\u3059<\/li>\n<li>\u7d71\u8a08\u306e\u96a3\u63a5\u3059\u308b\u6570\u5024\u3092CSRF\u306e\u5024\u3068\u8aad\u307f\u66ff\u3048\u306a\u3044<\/li>\n<li>\u5bfe\u7b56\u306e\u4e2d\u5fc3\u306f\u30c8\u30fc\u30af\u30f3\u691c\u8a3c\u3068SameSite\u5c5e\u6027\u3002WAF\uff082025\u5e74\u306e\u5c0e\u5165\u4f01\u696d\u306f19.5%\u3001\u5e38\u7528\u96c7\u7528\u8005100\u4eba\u4ee5\u4e0a\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u4f01\u696d\uff09\u306f\u88dc\u52a9<\/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\/reports\/vuln\/software\/2026q2.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\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300d<\/a>\uff0f<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\uff0810\u6708\u301c12\u6708\uff09\uff3d\u300d<\/a>\uff0f<a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">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\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff3d\u300d\u30ec\u30dd\u30fc\u30c8\uff08PDF\uff09<\/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>\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\u306e\u7d50\u679c\uff08\u6982\u8981\uff09\u5225\u7d192\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\uff08\u4f01\u696d\u7de8\uff09\u300d\u8abf\u67fb\u306e\u6982\u8981<\/a><\/p>\n<h2>Web\u30a2\u30d7\u30ea\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u57fa\u790e\u3092\u5b66\u3076\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\" \/><\/a><\/p>\n<p>CSRF\u306e\u3088\u3046\u306b\u7d71\u8a08\u306b\u8868\u308c\u306b\u304f\u3044\u8105\u5a01\u306f\u3001\u62c5\u5f53\u8005\u304c\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3067\u5bfe\u7b56\u306e\u8cea\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u3068\u306f\u3044\u3048\u3001\u65b0\u4efb\u3084\u3072\u3068\u308a\u60c5\u30b7\u30b9\u306e\u65b9\u307b\u3069\u3001\u307e\u3068\u307e\u3063\u305f\u5b66\u7fd2\u306e\u6642\u9593\u306f\u53d6\u308a\u306b\u304f\u3044\u3067\u3059\u3088\u306d\u3002<\/p>\n<p>\u300c\u60c5\u30b7\u30b9\u30ab\u30ec\u30c3\u30b8\u300d\u306f\u3001\u65b0\u4eba\u30fb\u3072\u3068\u308a\u60c5\u30b7\u30b9\u306e\u305f\u3081\u306e\u30de\u30a4\u30af\u30ed\u30e9\u30fc\u30cb\u30f3\u30b0LMS\u3067\u3059\u3002\u6570\u5206\u306e\u52d5\u753b\u3068\u5c0f\u30c6\u30b9\u30c8\u3067\u3001\u696d\u52d9\u306e\u5408\u9593\u306b\u5c11\u3057\u305a\u3064\u5b66\u3079\u307e\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\">\u60c5\u30b7\u30b9\u30ab\u30ec\u30c3\u30b8\u306e\u7279\u5fb4<\/p>\n<ul style=\"margin:0;padding-left:20px\">\n<li>\u6570\u5206\u306e\u52d5\u753b\u3068\u5c0f\u30c6\u30b9\u30c8\u3067\u9032\u3081\u308b\u30de\u30a4\u30af\u30ed\u30e9\u30fc\u30cb\u30f3\u30b0\u5f62\u5f0f<\/li>\n<li>\u5fc5\u4fee\u306e\u5272\u308a\u5f53\u3066\u30fb\u671f\u9650\u8a2d\u5b9a\u30fb\u9032\u6357\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3067\u53d7\u8b1b\u72b6\u6cc1\u3092\u7ba1\u7406\u3067\u304d\u308b<\/li>\n<li>\u81ea\u793e\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u306e\u7de8\u6210\u3068\u3001CSV\u3067\u306e\u6559\u80b2\u8a18\u9332\u306e\u51fa\u529b\u306b\u5bfe\u5fdc<\/li>\n<\/ul>\n<\/div>\n<p>\u5c0e\u5165\u306f5\u540d\u304b\u3089\u53ef\u80fd\u3067\u3001\u8acb\u6c42\u66f8\u6255\u3044\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u521d\u671f\u8a2d\u5b9a\u306f\u304a\u3088\u305d10\u5206\u3067\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n<p style=\"text-align:center;margin:1.8em 0\"><a href=\"https:\/\/www.josys-college.com\/\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display:inline-block;background:#2d4f8f;color:#fff;font-weight:700;padding:14px 36px;border-radius:6px;text-decoration:none\">\u60c5\u30b7\u30b9\u30ab\u30ec\u30c3\u30b8\u306e\u8a73\u7d30\u3092\u898b\u308b<\/a><\/p>\n<p>\u203b\u51fa\u5178<\/p>\n<ul>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2023q4.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\uff3b2023\u5e74\u7b2c4\u56db\u534a\u671f\uff0810\u6708\u301c12\u6708\uff09\uff3d\u300d<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2024q4.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\uff3b2024\u5e74\u7b2c4\u56db\u534a\u671f\uff0810\u6708\u301c12\u6708\uff09\uff3d\u300d<\/a><\/li>\n<li><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\uff0810\u6708\u301c12\u6708\uff09\uff3d\u300d<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/2026q2.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\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff084\u6708\u301c6\u6708\uff09\uff3d\u300d<\/a><\/li>\n<li><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><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/rcu1hd00000162jv-att\/vuln_software_report_2026q2.pdf\">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\uff3b2026\u5e74\u7b2c2\u56db\u534a\u671f\uff3d\u300d\u30ec\u30dd\u30fc\u30c8\uff08PDF\uff09<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/reports\/vuln\/software\/omgdg50000007gdr-att\/vuln_software_report_2025q4.pdf\">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\u30ec\u30dd\u30fc\u30c8\uff08PDF\uff09<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.ipa.go.jp\/security\/vuln\/websecurity\/csrf.html\">IPA\u300c\u5b89\u5168\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u4f5c\u308a\u65b9 1.6 CSRF\uff08\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30fb\u30ea\u30af\u30a8\u30b9\u30c8\u30fb\u30d5\u30a9\u30fc\u30b8\u30a7\u30ea\uff09\u300d<\/a><\/li>\n<li><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\u306e\u7d50\u679c\uff08\u6982\u8981\uff09\u5225\u7d192\u300d<\/a><\/li>\n<li><a target=\"_blank\" rel=\"noopener noreferrer\" 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