{"id":12616,"date":"2026-02-24T15:04:12","date_gmt":"2026-02-24T15:04:12","guid":{"rendered":"https:\/\/withcode.tech\/media\/?p=12616"},"modified":"2026-07-14T11:09:36","modified_gmt":"2026-07-14T11:09:36","slug":"web-secure-coding-checklist","status":"publish","type":"post","link":"https:\/\/withcode.tech\/media\/web-secure-coding-checklist\/","title":{"rendered":"\u3010\u5b8c\u5168\u4fdd\u5b58\u7248\u3011Web\u5236\u4f5c\u30bb\u30ad\u30e5\u30a2\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff01\u8106\u5f31\u6027\u5bfe\u7b56\u304b\u3089\u54c1\u8cea\u7ba1\u7406\u307e\u3067\u5b9f\u88c5\u4f8b\u3092\u8e0f\u307e\u3048\u3066\u8a73\u3057\u304f\u89e3\u8aac"},"content":{"rendered":"<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-14.48.08.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>Web\u5236\u4f5c\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3063\u3066\u672c\u5f53\u306b\u91cd\u8981\u306a\u3093\u3067\u3059\u304b\uff1f\u500b\u4eba\u30b5\u30a4\u30c8\u3067\u3082\u5bfe\u7b56\u304c\u5fc5\u8981\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.11.23.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u975e\u5e38\u306b\u91cd\u8981\u3058\u3083\uff01\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u7518\u3044\u30b5\u30a4\u30c8\u306f\u3001\u500b\u4eba\u60c5\u5831\u6f0f\u6d29\u3084\u6539\u3056\u3093\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u914d\u5e03\u306e\u8e0f\u307f\u53f0\u306b\u3055\u308c\u308b\u5371\u967a\u304c\u3042\u308b\u3093\u3058\u3083\u3088\u3002\u4eca\u65e5\u306f\u5b9f\u52d9\u3067\u5fc5\u9808\u306e\u30bb\u30ad\u30e5\u30a2\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3059\u308b\u305e\u3044\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<div class=\"wp-block-group swl-box\"><div class=\"wp-block-group__inner-container\">\n<h2 class=\"wp-block-heading\">\u3053\u306e\u8a18\u4e8b\u3067\u308f\u304b\u308b\u3053\u3068<\/h2>\n<ul class=\"wp-block-list\">\n<li>\u30bb\u30ad\u30e5\u30a2\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u5b9a\u7fa9\u3068\u3001\u306a\u305c\u3059\u3079\u3066\u306eWeb\u30b5\u30a4\u30c8\u3067\u5fc5\u9808\u306a\u306e\u304b<\/li>\n<li>HTTPS\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u30fb\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u653b\u6483\u5bfe\u7b56\u306e\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5<\/li>\n<li>\u8a8d\u8a3c\u30fb\u30bb\u30c3\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u5b89\u5168\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\uff08PHP\u30fbNode.js\u30fbNext.js\uff09<\/li>\n<li>WordPress\u30b5\u30a4\u30c8\u56fa\u6709\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/li>\n<li>\u81ea\u52d5\u5316\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u305f\u5b9a\u671f\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u67fb\u306e\u3084\u308a\u65b9<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u73fe\u4ee3\u306eWeb\u5236\u4f5c\u306b\u304a\u3044\u3066\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306f\u907f\u3051\u3066\u901a\u308c\u306a\u3044\u91cd\u8981\u8ab2\u984c\u3067\u3059\u3002\u5c0f\u898f\u6a21\u30b5\u30a4\u30c8\u304b\u3089\u5927\u4f01\u696d\u307e\u3067\u3001\u3042\u3089\u3086\u308bWeb\u30b5\u30a4\u30c8\u304c\u653b\u6483\u306e\u6a19\u7684\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u4ef6\u6570\u306f\u5e74\u3005\u5897\u52a0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8a18\u4e8b\u3067\u306f\u3001<strong><span class=\"swl-marker mark_yellow\">Web\u5236\u4f5c\u306b\u304a\u3051\u308b\u5fc5\u9808\u306e\u30bb\u30ad\u30e5\u30a2\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u3001\u5b9f\u88c5\u4f8b\u3068\u5171\u306b\u5fb9\u5e95\u7684\u306b\u89e3\u8aac<\/span><\/strong>\u3057\u307e\u3059\u3002\u521d\u5fc3\u8005\u306e\u65b9\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u3001\u5404\u9805\u76ee\u306e\u91cd\u8981\u6027\u3068\u5177\u4f53\u7684\u306a\u5bfe\u7b56\u65b9\u6cd5\u3092\u4e01\u5be7\u306b\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30bb\u30ad\u30e5\u30a2\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3068\u306f\uff1f\u5b9a\u7fa9\u3068\u91cd\u8981\u6027<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bb\u30ad\u30e5\u30a2\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\uff08Secure Coding\uff09\u3068\u306f\u3001<strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u8106\u5f31\u6027\u3092\u4f5c\u308a\u8fbc\u307e\u306a\u3044\u3088\u3046\u306b\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u958b\u767a\u624b\u6cd5<\/strong>\u306e\u3053\u3068\u3067\u3059\u3002\u5358\u306b\u30d0\u30b0\u3092\u6e1b\u3089\u3059\u3060\u3051\u3067\u306a\u304f\u3001\u60aa\u610f\u306e\u3042\u308b\u653b\u6483\u8005\u306b\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u8106\u5f31\u6027\u3092\u4e8b\u524d\u306b\u9632\u3050\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Web\u5236\u4f5c\u306b\u304a\u3044\u3066\u30bb\u30ad\u30e5\u30a2\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u304c\u91cd\u8981\u306a\u7406\u7531\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u500b\u4eba\u60c5\u5831\u306e\u4fdd\u8b77<\/strong>\uff1a\u30e6\u30fc\u30b6\u30fc\u306e\u500b\u4eba\u60c5\u5831\u3084\u30af\u30ec\u30b8\u30c3\u30c8\u30ab\u30fc\u30c9\u60c5\u5831\u3092\u5b88\u308b<\/li>\n<li><strong>\u4fe1\u983c\u6027\u306e\u7dad\u6301<\/strong>\uff1a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e8b\u6545\u306f\u4f01\u696d\u3084\u30b5\u30fc\u30d3\u30b9\u306e\u4fe1\u983c\u3092\u5927\u304d\u304f\u640d\u306a\u3046<\/li>\n<li><strong>\u6cd5\u7684\u8cac\u4efb\u306e\u56de\u907f<\/strong>\uff1a\u500b\u4eba\u60c5\u5831\u4fdd\u8b77\u6cd5\u3084GDPR\u306a\u3069\u306e\u6cd5\u898f\u5236\u3078\u306e\u5bfe\u5fdc<\/li>\n<li><strong>\u30d3\u30b8\u30cd\u30b9\u7d99\u7d9a\u6027<\/strong>\uff1a\u653b\u6483\u306b\u3088\u308b\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u306f\u5927\u304d\u306a\u640d\u5931\u306b\u3064\u306a\u304c\u308b<\/li>\n<li><strong>SEO\u3078\u306e\u5f71\u97ff<\/strong>\uff1aGoogle\u306f\u30bb\u30ad\u30e5\u30a2\u3067\u306a\u3044\u30b5\u30a4\u30c8\u306e\u8a55\u4fa1\u3092\u4e0b\u3052\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ee3\u8868\u7684\u306aWeb\u8106\u5f31\u6027\uff08OWASP Top 10\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">OWASP\uff08The Open Web Application Security Project\uff09\u304c\u516c\u958b\u3057\u3066\u3044\u308b\u300cOWASP Top 10\u300d\u306f\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308b\u6700\u3082\u6df1\u523b\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u30022021\u5e74\u7248\u306e\u4e3b\u8981\u306a\u8106\u5f31\u6027\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u9806\u4f4d<\/th><th>\u8106\u5f31\u6027\u306e\u7a2e\u985e<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u4e0d\u5099<\/td><td>\u8a8d\u8a3c\u30fb\u8a8d\u53ef\u306e\u5b9f\u88c5\u30df\u30b9\u306b\u3088\u308b\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9<\/td><\/tr><tr><td>2<\/td><td>\u6697\u53f7\u5316\u306e\u5931\u6557<\/td><td>\u30c7\u30fc\u30bf\u8ee2\u9001\u30fb\u4fdd\u5b58\u6642\u306e\u6697\u53f7\u5316\u4e0d\u8db3<\/td><\/tr><tr><td>3<\/td><td>\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/td><td>SQLi\u3001XSS\u306a\u3069\u306e\u4e0d\u6b63\u306a\u5165\u529b<\/td><\/tr><tr><td>4<\/td><td>\u5b89\u5168\u3067\u306a\u3044\u8a2d\u8a08<\/td><td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u8003\u616e\u3057\u306a\u3044\u8a2d\u8a08<\/td><\/tr><tr><td>5<\/td><td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u30df\u30b9<\/td><td>\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u306e\u307e\u307e\u4f7f\u7528\u306a\u3069<\/td><\/tr><tr><td>6<\/td><td>\u8106\u5f31\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/td><td>\u53e4\u3044\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u4f7f\u7528<\/td><\/tr><tr><td>7<\/td><td>\u8b58\u5225\u3068\u8a8d\u8a3c\u306e\u5931\u6557<\/td><td>\u8106\u5f31\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u30dd\u30ea\u30b7\u30fc\u306a\u3069<\/td><\/tr><tr><td>8<\/td><td>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027<\/td><td>\u691c\u8a3c\u306a\u3057\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306a\u3069<\/td><\/tr><tr><td>9<\/td><td>\u30ed\u30b0\u3068\u76e3\u8996\u306e\u4e0d\u8db3<\/td><td>\u653b\u6483\u306e\u691c\u77e5\u30fb\u5bfe\u5fdc\u304c\u3067\u304d\u306a\u3044<\/td><\/tr><tr><td>10<\/td><td>\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30ea\u30af\u30a8\u30b9\u30c8\u30d5\u30a9\u30fc\u30b8\u30a7\u30ea<\/td><td>SSRF\u653b\u6483\u3078\u306e\u8106\u5f31\u6027<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u306b\u5bfe\u3059\u308b\u5177\u4f53\u7684\u306a\u5bfe\u7b56\u3092\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u5f62\u5f0f\u3067\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u3010\u5fc5\u9808\u3011\u57fa\u672c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-14.48.08.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u307e\u305a\u306f\u4f55\u304b\u3089\u59cb\u3081\u308c\u3070\u826f\u3044\u3067\u3059\u304b\uff1f<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.11.23.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u307e\u305a\u306f\u57fa\u672c\u4e2d\u306e\u57fa\u672c\u304b\u3089\u62bc\u3055\u3048\u308b\u3093\u3058\u3083\uff01\u3053\u308c\u3089\u306f\u5168\u3066\u306eWeb\u30b5\u30a4\u30c8\u3067\u5fc5\u9808\u306e\u5bfe\u7b56\u3058\u3083\u305e<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\">1. HTTPS\/SSL\u5bfe\u5fdc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u3082\u57fa\u672c\u7684\u304b\u3064\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3067\u3059\u3002Google\u306f2014\u5e74\u4ee5\u964dHTTPS\u3092\u30e9\u30f3\u30ad\u30f3\u30b0\u30b7\u30b0\u30ca\u30eb\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u304a\u308a\u3001HTTP\u30b5\u30a4\u30c8\u306b\u306f\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001HTTP\/2\u306e\u9ad8\u901f\u5316\u6a5f\u80fd\u3082HTTPS\u5fc5\u9808\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2610 SSL\/TLS\u8a3c\u660e\u66f8\u304c\u6b63\u3057\u304f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 HTTP\u304b\u3089HTTPS\u3078\u306e\u81ea\u52d5\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u5168\u3066\u306e\u30ea\u30bd\u30fc\u30b9\uff08\u753b\u50cf\u3001CSS\u3001JS\uff09\u304cHTTPS\u3067\u8aad\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 HSTS\u30d8\u30c3\u30c0\u30fc\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u8a3c\u660e\u66f8\u306e\u6709\u52b9\u671f\u9650\u7ba1\u7406\u4f53\u5236\u304c\u3042\u308b\u304b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u5b9f\u88c5\u4f8b\uff1a.htaccess\u3067\u306eHTTPS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code># .htaccess\n# HTTP\u304b\u3089HTTPS\u3078\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\nRewriteEngine On\nRewriteCond %{HTTPS} off\nRewriteRule ^(.*)$ https:\/\/%{HTTP_HOST}%{REQUEST_URI} [L,R=301]\n\n# HSTS\u30d8\u30c3\u30c0\u30fc\u306e\u8a2d\u5b9a\uff081\u5e74\u9593\uff09\nHeader always set Strict-Transport-Security \"max-age=31536000; includeSubDomains; preload\"<\/code><\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u5b9f\u88c5\u4f8b\uff1aHTML\u3067\u306e\u6df7\u5728\u30b3\u30f3\u30c6\u30f3\u30c4\u5bfe\u7b56<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-markup\" data-lang=\"HTML\"><code>&lt;!DOCTYPE html&gt;\n&lt;html lang=\"ja\"&gt;\n&lt;head&gt;\n  &lt;meta charset=\"UTF-8\"&gt;\n\n  &lt;!-- Content Security Policy\u3067\u6df7\u5728\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30d6\u30ed\u30c3\u30af --&gt;\n  &lt;meta http-equiv=\"Content-Security-Policy\" content=\"upgrade-insecure-requests\"&gt;\n\n  &lt;!-- \u76f8\u5bfeURL\u307e\u305f\u306f\u30d7\u30ed\u30c8\u30b3\u30eb\u76f8\u5bfeURL\u3092\u4f7f\u7528 --&gt;\n  &lt;link rel=\"stylesheet\" href=\"\/css\/style.css\"&gt;\n  &lt;script src=\"\/\/example.com\/script.js\"&gt;&lt;\/script&gt;\n&lt;\/head&gt;<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">2. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u306e\u8a2d\u5b9a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u30fc\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u95a2\u9023\u306e\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u591a\u304f\u306e\u653b\u6483\u3092\u9632\u3052\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u306f\u300c\u6df1\u5c64\u9632\u5fa1\uff08Defense in Depth\uff09\u300d\u306e\u4e00\u74b0\u3068\u3057\u3066\u3001\u8907\u6570\u306e\u5c64\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u91cd\u8981\u306a\u624b\u6bb5\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2610 X-Frame-Options \u30d8\u30c3\u30c0\u30fc\u3067\u30af\u30ea\u30c3\u30af\u30b8\u30e3\u30c3\u30ad\u30f3\u30b0\u5bfe\u7b56<\/li>\n<li>\u2610 X-Content-Type-Options \u30d8\u30c3\u30c0\u30fc\u3067MIME\u30bf\u30a4\u30d7\u30b9\u30cb\u30c3\u30d5\u30a3\u30f3\u30b0\u9632\u6b62<\/li>\n<li>\u2610 X-XSS-Protection \u30d8\u30c3\u30c0\u30fc\u3067XSS\u5bfe\u7b56<\/li>\n<li>\u2610 Content-Security-Policy \u30d8\u30c3\u30c0\u30fc\u3067\u30b3\u30f3\u30c6\u30f3\u30c4\u5236\u5fa1<\/li>\n<li>\u2610 Referrer-Policy \u30d8\u30c3\u30c0\u30fc\u3067\u30ea\u30d5\u30a1\u30e9\u30fc\u60c5\u5831\u5236\u5fa1<\/li>\n<li>\u2610 Permissions-Policy \u30d8\u30c3\u30c0\u30fc\u3067\u30d6\u30e9\u30a6\u30b6API\u5236\u5fa1<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u5b9f\u88c5\u4f8b\uff1a.htaccess\u3067\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u8a2d\u5b9a<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code># .htaccess\n&lt;IfModule mod_headers.c&gt;\n  # \u30af\u30ea\u30c3\u30af\u30b8\u30e3\u30c3\u30ad\u30f3\u30b0\u5bfe\u7b56\n  Header always set X-Frame-Options \"SAMEORIGIN\"\n\n  # MIME\u30bf\u30a4\u30d7\u30b9\u30cb\u30c3\u30d5\u30a3\u30f3\u30b0\u9632\u6b62\n  Header always set X-Content-Type-Options \"nosniff\"\n\n  # XSS\u5bfe\u7b56\uff08\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u7528\uff09\n  Header always set X-XSS-Protection \"1; mode=block\"\n\n  # Content Security Policy\uff08\u53b3\u683c\u306a\u8a2d\u5b9a\u4f8b\uff09\n  Header always set Content-Security-Policy \"default-src 'self'; script-src 'self' 'unsafe-inline' https:\/\/trusted-cdn.com; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self'; connect-src 'self'; frame-ancestors 'self';\"\n\n  # \u30ea\u30d5\u30a1\u30e9\u30fc\u30dd\u30ea\u30b7\u30fc\n  Header always set Referrer-Policy \"strict-origin-when-cross-origin\"\n\n  # \u6a5f\u80fd\u30dd\u30ea\u30b7\u30fc\n  Header always set Permissions-Policy \"geolocation=(), microphone=(), camera=()\"\n&lt;\/IfModule&gt;<\/code><\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u5b9f\u88c5\u4f8b\uff1aNode.js\uff08Express\uff09\u3067\u306e\u8a2d\u5b9a<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\" data-lang=\"JavaScript\"><code>\/\/ helmet.js\u3092\u4f7f\u3063\u305f\u7c21\u5358\u306a\u8a2d\u5b9a\nconst helmet = require('helmet')\nconst express = require('express')\nconst app = express()\n\n\/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u3092\u8a2d\u5b9a\napp.use(helmet())\n\n\/\/ \u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u305f\u8a2d\u5b9a\napp.use(\n  helmet({\n    contentSecurityPolicy: {\n      directives: {\n        defaultSrc: [\"'self'\"],\n        scriptSrc: [\"'self'\", \"'unsafe-inline'\", \"https:\/\/trusted-cdn.com\"],\n        styleSrc: [\"'self'\", \"'unsafe-inline'\"],\n        imgSrc: [\"'self'\", \"data:\", \"https:\"],\n        connectSrc: [\"'self'\"],\n        fontSrc: [\"'self'\"],\n        objectSrc: [\"'none'\"],\n        mediaSrc: [\"'self'\"],\n        frameSrc: [\"'none'\"],\n      },\n    },\n    hsts: {\n      maxAge: 31536000,\n      includeSubDomains: true,\n      preload: true\n    }\n  })\n)<\/code><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u3010\u91cd\u8981\u3011\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u653b\u6483\u5bfe\u7b56\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u653b\u6483\u306f\u3001OWASP Top 10\u3067\u5e38\u306b\u4e0a\u4f4d\u306b\u30e9\u30f3\u30af\u30a4\u30f3\u3059\u308b\u6df1\u523b\u306a\u8106\u5f31\u6027\u3067\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u5165\u529b\u3092\u76f4\u63a5\u30af\u30a8\u30ea\u3084\u547d\u4ee4\u306b\u4f7f\u3046\u30b3\u30fc\u30c9\u306f\u5fc5\u305a\u898b\u76f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u5bfe\u7b56<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u4e0d\u6b63\u306a\u547d\u4ee4\u3092\u5b9f\u884c\u3055\u308c\u308b\u653b\u6483\u3092\u9632\u304e\u307e\u3059\u3002\u30d7\u30ea\u30da\u30a2\u30c9\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\uff08\u30d1\u30e9\u30e1\u30fc\u30bf\u5316\u30af\u30a8\u30ea\uff09\u306e\u4f7f\u7528\u304c\u6700\u3082\u78ba\u5b9f\u306a\u5bfe\u7b56\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2610 \u30d7\u30ea\u30da\u30a2\u30c9\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\uff08\u30d1\u30e9\u30e1\u30fc\u30bf\u5316\u30af\u30a8\u30ea\uff09\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 ORM\u3092\u9069\u5207\u306b\u4f7f\u7528\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u52d5\u7684\u306bSQL\u6587\u3092\u751f\u6210\u3057\u3066\u3044\u306a\u3044\u304b<\/li>\n<li>\u2610 \u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u60c5\u5831\u3092\u6f0f\u3089\u3057\u3066\u3044\u306a\u3044\u304b<\/li>\n<li>\u2610 \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30e6\u30fc\u30b6\u30fc\u306e\u6a29\u9650\u304c\u6700\u5c0f\u9650\u306b\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u274c \u8106\u5f31\u306a\u30b3\u30fc\u30c9\u4f8b\uff08PHP\uff09<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>&lt;?php\n\/\/ \u5371\u967a\uff01\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u3092\u76f4\u63a5SQL\u306b\u57cb\u3081\u8fbc\u3093\u3067\u3044\u308b\n$username = $_POST['username'];\n$password = $_POST['password'];\n\n$query = \"SELECT * FROM users WHERE username = '$username' AND password = '$password'\";\n$result = mysqli_query($conn, $query);\n\n\/\/ \u653b\u6483\u4f8b: username \u306b \"admin' --\" \u3092\u5165\u529b\u3059\u308b\u3068\n\/\/ SELECT * FROM users WHERE username = 'admin' --' AND password = ''\n\/\/ \u30d1\u30b9\u30ef\u30fc\u30c9\u30c1\u30a7\u30c3\u30af\u304c\u7121\u52b9\u5316\u3055\u308c\u308b\n?&gt;<\/code><\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u2705 \u5b89\u5168\u306a\u30b3\u30fc\u30c9\u4f8b\uff08PHP &#8211; \u30d7\u30ea\u30da\u30a2\u30c9\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\uff09<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>&lt;?php\n\/\/ \u5b89\u5168\uff1a\u30d7\u30ea\u30da\u30a2\u30c9\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\n$username = $_POST['username'];\n$password = $_POST['password'];\n\n\/\/ \u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u30cf\u30c3\u30b7\u30e5\u5316\u3057\u3066\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u524d\u63d0\n$stmt = $conn-&gt;prepare(\"SELECT * FROM users WHERE username = ? AND password_hash = ?\");\n$stmt-&gt;bind_param(\"ss\", $username, password_hash($password, PASSWORD_BCRYPT));\n$stmt-&gt;execute();\n$result = $stmt-&gt;get_result();\n\nif ($result-&gt;num_rows === 1) {\n    $user = $result-&gt;fetch_assoc();\n    \/\/ \u30d1\u30b9\u30ef\u30fc\u30c9\u691c\u8a3c\n    if (password_verify($password, $user['password_hash'])) {\n        \/\/ \u30ed\u30b0\u30a4\u30f3\u6210\u529f\n        echo \"\u30ed\u30b0\u30a4\u30f3\u6210\u529f\";\n    } else {\n        echo \"\u8a8d\u8a3c\u5931\u6557\";\n    }\n} else {\n    echo \"\u8a8d\u8a3c\u5931\u6557\";\n}\n\n$stmt-&gt;close();\n?&gt;<\/code><\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u2705 \u5b89\u5168\u306a\u30b3\u30fc\u30c9\u4f8b\uff08Node.js &#8211; Prisma ORM\uff09<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-typescript\" data-lang=\"TypeScript\"><code>\/\/ Prisma ORM\u3092\u4f7f\u3063\u305f\u5b89\u5168\u306a\u5b9f\u88c5\nimport { PrismaClient } from '@prisma\/client'\nimport bcrypt from 'bcrypt'\n\nconst prisma = new PrismaClient()\n\nasync function login(username: string, password: string) {\n  \/\/ Prisma\u306f\u81ea\u52d5\u7684\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u5316\u3055\u308c\u308b\n  const user = await prisma.user.findUnique({\n    where: { username: username }\n  })\n\n  if (!user) {\n    throw new Error('\u8a8d\u8a3c\u5931\u6557')\n  }\n\n  \/\/ \u30d1\u30b9\u30ef\u30fc\u30c9\u691c\u8a3c\n  const isValid = await bcrypt.compare(password, user.passwordHash)\n\n  if (!isValid) {\n    throw new Error('\u8a8d\u8a3c\u5931\u6557')\n  }\n\n  return user\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">4. XSS\uff08\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\uff09\u5bfe\u7b56<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u60aa\u610f\u306e\u3042\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u304cWeb\u30da\u30fc\u30b8\u306b\u57cb\u3081\u8fbc\u307e\u308c\u308b\u653b\u6483\u3092\u9632\u304e\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u3092\u51fa\u529b\u3059\u308b\u5168\u3066\u306e\u7b87\u6240\u3067\u30a8\u30b9\u30b1\u30fc\u30d7\u51e6\u7406\u304c\u5fc5\u9808\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2610 \u30e6\u30fc\u30b6\u30fc\u5165\u529b\u3092\u51fa\u529b\u3059\u308b\u969b\u306b\u30a8\u30b9\u30b1\u30fc\u30d7\u51e6\u7406\u3092\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 innerHTML\u3001dangerouslySetInnerHTML\u3092\u4e0d\u7528\u610f\u306b\u4f7f\u3063\u3066\u3044\u306a\u3044\u304b<\/li>\n<li>\u2610 Content-Security-Policy\u30d8\u30c3\u30c0\u30fc\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u4fe1\u983c\u3067\u304d\u306a\u3044HTML\u3092\u30b5\u30cb\u30bf\u30a4\u30ba\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 JavaScript\u306eeval\u3084\u540c\u7b49\u306e\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u304b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u274c \u8106\u5f31\u306a\u30b3\u30fc\u30c9\u4f8b\uff08JavaScript\uff09<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\" data-lang=\"JavaScript\"><code>\/\/ \u5371\u967a\uff01\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u3092\u305d\u306e\u307e\u307eHTML\u306b\u633f\u5165\nconst userName = new URLSearchParams(window.location.search).get('name')\ndocument.getElementById('greeting').innerHTML = `\u3053\u3093\u306b\u3061\u306f\u3001${userName}\u3055\u3093`\n\n\/\/ \u653b\u6483\u4f8b: ?name=&lt;script&gt;alert('XSS')&lt;\/script&gt;\n\/\/ \u30b9\u30af\u30ea\u30d7\u30c8\u304c\u5b9f\u884c\u3055\u308c\u3066\u3057\u307e\u3046<\/code><\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u2705 \u5b89\u5168\u306a\u30b3\u30fc\u30c9\u4f8b\uff08JavaScript &#8211; \u30a8\u30b9\u30b1\u30fc\u30d7\u51e6\u7406\uff09<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\" data-lang=\"JavaScript\"><code>\/\/ \u5b89\u5168\uff1atextContent\u3092\u4f7f\u7528\uff08\u81ea\u52d5\u7684\u306b\u30a8\u30b9\u30b1\u30fc\u30d7\u3055\u308c\u308b\uff09\nconst userName = new URLSearchParams(window.location.search).get('name')\ndocument.getElementById('greeting').textContent = `\u3053\u3093\u306b\u3061\u306f\u3001${userName}\u3055\u3093`\n\n\/\/ \u307e\u305f\u306f\u3001\u624b\u52d5\u3067\u30a8\u30b9\u30b1\u30fc\u30d7\nfunction escapeHTML(str) {\n  return str\n    .replace(\/&amp;\/g, '&amp;amp;')\n    .replace(\/&lt;\/g, '&amp;lt;')\n    .replace(\/&gt;\/g, '&amp;gt;')\n    .replace(\/\"\/g, '&amp;quot;')\n    .replace(\/'\/g, '&amp;#039;')\n}\n\nconst userName = new URLSearchParams(window.location.search).get('name')\ndocument.getElementById('greeting').innerHTML = `\u3053\u3093\u306b\u3061\u306f\u3001${escapeHTML(userName)}\u3055\u3093`<\/code><\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u2705 \u5b89\u5168\u306a\u30b3\u30fc\u30c9\u4f8b\uff08React\uff09<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-markup\" data-lang=\"HTML\"><code>\/\/ React \u306f\u81ea\u52d5\u7684\u306b\u30a8\u30b9\u30b1\u30fc\u30d7\u3059\u308b\nfunction Greeting({ userName }: { userName: string }) {\n  \/\/ \u5b89\u5168\uff1aJSX\u69cb\u6587\u306f\u81ea\u52d5\u7684\u306b\u30a8\u30b9\u30b1\u30fc\u30d7\u3055\u308c\u308b\n  return &lt;div&gt;\u3053\u3093\u306b\u3061\u306f\u3001{userName}\u3055\u3093&lt;\/div&gt;\n}\n\n\/\/ HTML\u3092\u633f\u5165\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306fDOMPurify\u3067\u30b5\u30cb\u30bf\u30a4\u30ba\nimport DOMPurify from 'dompurify'\n\nfunction RichContent({ html }: { html: string }) {\n  const sanitizedHTML = DOMPurify.sanitize(html)\n\n  return (\n    &lt;div dangerouslySetInnerHTML={{ __html: sanitizedHTML }} \/&gt;\n  )\n}<\/code><\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u2705 \u5b89\u5168\u306a\u30b3\u30fc\u30c9\u4f8b\uff08PHP\uff09<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>&lt;?php\n\/\/ \u5b89\u5168\uff1ahtmlspecialchars\u3067\u30a8\u30b9\u30b1\u30fc\u30d7\n$userName = $_GET['name'] ?? '\u30b2\u30b9\u30c8';\n$escapedName = htmlspecialchars($userName, ENT_QUOTES, 'UTF-8');\n\necho \"\u3053\u3093\u306b\u3061\u306f\u3001\" . $escapedName . \"\u3055\u3093\";\n\n\/\/ \u307e\u305f\u306f\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30a8\u30f3\u30b8\u30f3\u3092\u4f7f\u7528\uff08Twig\u306e\u4f8b\uff09\n\/\/ {{ userName }} \u306f\u81ea\u52d5\u7684\u306b\u30a8\u30b9\u30b1\u30fc\u30d7\u3055\u308c\u308b\n?&gt;<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">5. CSRF\uff08\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30ea\u30af\u30a8\u30b9\u30c8\u30d5\u30a9\u30fc\u30b8\u30a7\u30ea\uff09\u5bfe\u7b56<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e6\u30fc\u30b6\u30fc\u306e\u610f\u56f3\u3057\u306a\u3044\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u5b9f\u884c\u3055\u308c\u308b\u653b\u6483\u3092\u9632\u304e\u307e\u3059\u3002\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u30fb\u72b6\u614b\u5909\u66f4\u64cd\u4f5c\u306b\u306f\u5fc5\u305aCSRF\u30c8\u30fc\u30af\u30f3\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2610 \u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u6642\u306bCSRF\u30c8\u30fc\u30af\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 SameSite\u5c5e\u6027\u4ed8\u304dCookie\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u91cd\u8981\u306a\u64cd\u4f5c\u3067\u518d\u8a8d\u8a3c\u3092\u6c42\u3081\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 Referer\u30d8\u30c3\u30c0\u30fc\u3084Origin\u30d8\u30c3\u30c0\u30fc\u3092\u691c\u8a3c\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 GET\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u72b6\u614b\u3092\u5909\u66f4\u3057\u3066\u3044\u306a\u3044\u304b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u2705 \u5b89\u5168\u306a\u30b3\u30fc\u30c9\u4f8b\uff08PHP &#8211; CSRF\u30c8\u30fc\u30af\u30f3\uff09<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>&lt;?php\nsession_start();\n\n\/\/ \u30c8\u30fc\u30af\u30f3\u751f\u6210\uff08\u30d5\u30a9\u30fc\u30e0\u8868\u793a\u6642\uff09\nfunction generateCSRFToken() {\n    if (empty($_SESSION['csrf_token'])) {\n        $_SESSION['csrf_token'] = bin2hex(random_bytes(32));\n    }\n    return $_SESSION['csrf_token'];\n}\n\n\/\/ \u30c8\u30fc\u30af\u30f3\u691c\u8a3c\uff08\u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u6642\uff09\nfunction verifyCSRFToken($token) {\n    if (!isset($_SESSION['csrf_token']) || $token !== $_SESSION['csrf_token']) {\n        die('CSRF\u691c\u8a3c\u306b\u5931\u6557\u3057\u307e\u3057\u305f');\n    }\n    return true;\n}\n\n\/\/ \u30d5\u30a9\u30fc\u30e0\u8868\u793a\n$csrfToken = generateCSRFToken();\n?&gt;\n\n&lt;form method=\"POST\" action=\"update_profile.php\"&gt;\n    &lt;input type=\"hidden\" name=\"csrf_token\" value=\"&lt;?php echo htmlspecialchars($csrfToken); ?&gt;\"&gt;\n    &lt;input type=\"text\" name=\"username\"&gt;\n    &lt;button type=\"submit\"&gt;\u66f4\u65b0&lt;\/button&gt;\n&lt;\/form&gt;\n\n&lt;?php\n\/\/ \u30d5\u30a9\u30fc\u30e0\u51e6\u7406\nif ($_SERVER['REQUEST_METHOD'] === 'POST') {\n    verifyCSRFToken($_POST['csrf_token']);\n\n    \/\/ \u51e6\u7406\u3092\u7d9a\u884c\n    $username = $_POST['username'];\n    \/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u66f4\u65b0\u306a\u3069\n}\n?&gt;<\/code><\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u2705 \u5b89\u5168\u306a\u30b3\u30fc\u30c9\u4f8b\uff08Node.js + Express\uff09<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\" data-lang=\"JavaScript\"><code>const express = require('express')\nconst csrf = require('csurf')\nconst cookieParser = require('cookie-parser')\n\nconst app = express()\n\n\/\/ Cookie\u30d1\u30fc\u30b5\u30fc\u3068\u30bb\u30c3\u30b7\u30e7\u30f3\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\napp.use(cookieParser())\napp.use(express.urlencoded({ extended: false }))\n\n\/\/ CSRF\u4fdd\u8b77\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\nconst csrfProtection = csrf({ cookie: true })\n\n\/\/ \u30d5\u30a9\u30fc\u30e0\u8868\u793a\napp.get('\/profile', csrfProtection, (req, res) =&gt; {\n  res.render('profile', { csrfToken: req.csrfToken() })\n})\n\n\/\/ \u30d5\u30a9\u30fc\u30e0\u9001\u4fe1\u51e6\u7406\napp.post('\/profile', csrfProtection, (req, res) =&gt; {\n  \/\/ CSRF\u30c8\u30fc\u30af\u30f3\u304c\u81ea\u52d5\u7684\u306b\u691c\u8a3c\u3055\u308c\u308b\n  const { username } = req.body\n\n  \/\/ \u51e6\u7406\u3092\u7d9a\u884c\n  res.send('\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u3092\u66f4\u65b0\u3057\u307e\u3057\u305f')\n})<\/code><\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u2705 \u5b89\u5168\u306a\u30b3\u30fc\u30c9\u4f8b\uff08React + Next.js\uff09<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-markup\" data-lang=\"HTML\"><code>\/\/ Server Action\uff08Next.js 13+\uff09\n'use server'\n\nimport { cookies } from 'next\/headers'\n\nexport async function updateProfile(formData: FormData) {\n  \/\/ Next.js Server Actions\u306f\u81ea\u52d5\u7684\u306bCSRF\u4fdd\u8b77\u3055\u308c\u308b\n\n  const username = formData.get('username') as string\n\n  \/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u66f4\u65b0\u306a\u3069\n\n  return { success: true }\n}\n\n\/\/ \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\n'use client'\n\nimport { updateProfile } from '@\/app\/actions'\n\nexport default function ProfileForm() {\n  return (\n    &lt;form action={updateProfile}&gt;\n      &lt;input type=\"text\" name=\"username\" \/&gt;\n      &lt;button type=\"submit\"&gt;\u66f4\u65b0&lt;\/button&gt;\n    &lt;\/form&gt;\n  )\n}<\/code><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u3010\u5fc5\u9808\u3011\u8a8d\u8a3c\u30fb\u8a8d\u53ef\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">6. \u30d1\u30b9\u30ef\u30fc\u30c9\u7ba1\u7406<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e73\u6587\u3067\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4fdd\u5b58\u3059\u308b\u3053\u3068\u306f\u7d76\u5bfe\u306b\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002bcrypt\u3084Argon2\u306a\u3069\u306e\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u3092\u4f7f\u3044\u3001\u5fc5\u305a\u30bd\u30eb\u30c8\u3092\u4ed8\u4e0e\u3057\u3066\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2610 \u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u30cf\u30c3\u30b7\u30e5\u5316\u3057\u3066\u4fdd\u5b58\u3057\u3066\u3044\u308b\u304b\uff08bcrypt\u3001Argon2\u7b49\uff09<\/li>\n<li>\u2610 \u30bd\u30eb\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u5e73\u6587\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u30ed\u30b0\u306b\u51fa\u529b\u3057\u3066\u3044\u306a\u3044\u304b<\/li>\n<li>\u2610 \u30d1\u30b9\u30ef\u30fc\u30c9\u5f37\u5ea6\u306e\u30dd\u30ea\u30b7\u30fc\u304c\u3042\u308b\u304b\uff08\u6700\u4f4e8\u6587\u5b57\u3001\u8907\u96d1\u6027\u8981\u6c42\u306a\u3069\uff09<\/li>\n<li>\u2610 \u30d1\u30b9\u30ef\u30fc\u30c9\u30ea\u30bb\u30c3\u30c8\u6a5f\u80fd\u306f\u5b89\u5168\u304b<\/li>\n<li>\u2610 \u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u5bfe\u7b56\u304c\u3042\u308b\u304b\uff08\u30ec\u30fc\u30c8\u5236\u9650\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u30ed\u30c3\u30af\uff09<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u2705 \u5b89\u5168\u306a\u30b3\u30fc\u30c9\u4f8b\uff08Node.js &#8211; bcrypt\uff09<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-typescript\" data-lang=\"TypeScript\"><code>import bcrypt from 'bcrypt'\n\n\/\/ \u30e6\u30fc\u30b6\u30fc\u767b\u9332\u6642\nasync function registerUser(username: string, password: string) {\n  \/\/ \u30d1\u30b9\u30ef\u30fc\u30c9\u5f37\u5ea6\u30c1\u30a7\u30c3\u30af\n  if (password.length &lt; 8) {\n    throw new Error('\u30d1\u30b9\u30ef\u30fc\u30c9\u306f8\u6587\u5b57\u4ee5\u4e0a\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059')\n  }\n\n  \/\/ \u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u30cf\u30c3\u30b7\u30e5\u5316\uff08saltRounds=10\uff09\n  const saltRounds = 10\n  const passwordHash = await bcrypt.hash(password, saltRounds)\n\n  \/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\n  await db.user.create({\n    data: {\n      username,\n      passwordHash, \/\/ \u30cf\u30c3\u30b7\u30e5\u5316\u3055\u308c\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4fdd\u5b58\n    }\n  })\n\n  \/\/ \u5e73\u6587\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u30e1\u30e2\u30ea\u304b\u3089\u524a\u9664\u3055\u308c\u308b\n}\n\n\/\/ \u30ed\u30b0\u30a4\u30f3\u6642\nasync function login(username: string, password: string) {\n  const user = await db.user.findUnique({\n    where: { username }\n  })\n\n  if (!user) {\n    \/\/ \u30bf\u30a4\u30df\u30f3\u30b0\u653b\u6483\u5bfe\u7b56\u306e\u305f\u3081\u3001\u540c\u3058\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\n    throw new Error('\u30e6\u30fc\u30b6\u30fc\u540d\u307e\u305f\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093')\n  }\n\n  \/\/ \u30d1\u30b9\u30ef\u30fc\u30c9\u691c\u8a3c\n  const isValid = await bcrypt.compare(password, user.passwordHash)\n\n  if (!isValid) {\n    throw new Error('\u30e6\u30fc\u30b6\u30fc\u540d\u307e\u305f\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093')\n  }\n\n  return user\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">7. \u30bb\u30c3\u30b7\u30e7\u30f3\u7ba1\u7406<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bb\u30c3\u30b7\u30e7\u30f3ID\u306e\u5b89\u5168\u306a\u751f\u6210\u30fb\u7ba1\u7406\u304c\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u653b\u6483\u3092\u9632\u3050\u9375\u3067\u3059\u3002\u30ed\u30b0\u30a4\u30f3\u524d\u5f8c\u3067\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u518d\u751f\u6210\u3057\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2610 \u30bb\u30c3\u30b7\u30e7\u30f3ID\u306f\u4e88\u6e2c\u4e0d\u53ef\u80fd\u306a\u30e9\u30f3\u30c0\u30e0\u5024\u304b<\/li>\n<li>\u2610 Cookie\u5c5e\u6027\u304c\u9069\u5207\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\uff08HttpOnly\u3001Secure\u3001SameSite\uff09<\/li>\n<li>\u2610 \u30bb\u30c3\u30b7\u30e7\u30f3\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u30ed\u30b0\u30a2\u30a6\u30c8\u6642\u306b\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u7834\u68c4\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u91cd\u8981\u306a\u64cd\u4f5c\u524d\u306b\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u518d\u751f\u6210\u3057\u3066\u3044\u308b\u304b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u2705 \u5b89\u5168\u306a\u30b3\u30fc\u30c9\u4f8b\uff08Express Session\uff09<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\" data-lang=\"JavaScript\"><code>const express = require('express')\nconst session = require('express-session')\n\nconst app = express()\n\napp.use(\n  session({\n    secret: process.env.SESSION_SECRET, \/\/ \u74b0\u5883\u5909\u6570\u304b\u3089\u8aad\u307f\u8fbc\u3080\n    resave: false,\n    saveUninitialized: false,\n    cookie: {\n      httpOnly: true, \/\/ JavaScript\u304b\u3089\u30a2\u30af\u30bb\u30b9\u4e0d\u53ef\n      secure: true, \/\/ HTTPS\u5fc5\u9808\n      sameSite: 'strict', \/\/ CSRF\u5bfe\u7b56\n      maxAge: 1000 * 60 * 60, \/\/ 1\u6642\u9593\n    },\n    name: 'sessionId', \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u540d\u524d\u3092\u5909\u66f4\n  })\n)\n\n\/\/ \u30ed\u30b0\u30a4\u30f3\u51e6\u7406\napp.post('\/login', async (req, res) =&gt; {\n  const { username, password } = req.body\n\n  const user = await authenticateUser(username, password)\n\n  if (user) {\n    \/\/ \u30bb\u30c3\u30b7\u30e7\u30f3\u518d\u751f\u6210\uff08\u30bb\u30c3\u30b7\u30e7\u30f3\u56fa\u5b9a\u653b\u6483\u5bfe\u7b56\uff09\n    req.session.regenerate((err) =&gt; {\n      if (err) {\n        return res.status(500).send('\u30bb\u30c3\u30b7\u30e7\u30f3\u30a8\u30e9\u30fc')\n      }\n\n      req.session.userId = user.id\n      req.session.username = user.username\n\n      res.send('\u30ed\u30b0\u30a4\u30f3\u6210\u529f')\n    })\n  } else {\n    res.status(401).send('\u8a8d\u8a3c\u5931\u6557')\n  }\n})\n\n\/\/ \u30ed\u30b0\u30a2\u30a6\u30c8\u51e6\u7406\napp.post('\/logout', (req, res) =&gt; {\n  req.session.destroy((err) =&gt; {\n    if (err) {\n      return res.status(500).send('\u30ed\u30b0\u30a2\u30a6\u30c8\u30a8\u30e9\u30fc')\n    }\n\n    res.clearCookie('sessionId')\n    res.send('\u30ed\u30b0\u30a2\u30a6\u30c8\u6210\u529f')\n  })\n})<\/code><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u3010\u91cd\u8981\u3011WordPress\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-14.48.08.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>WordPress\u30b5\u30a4\u30c8\u3092\u904b\u55b6\u3057\u3066\u3044\u308b\u3093\u3067\u3059\u304c\u3001\u7279\u306b\u6c17\u3092\u3064\u3051\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.11.23.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>WordPress\u306f\u4e16\u754c\u4e2d\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u304b\u3089\u3001\u653b\u6483\u306e\u6a19\u7684\u306b\u306a\u308a\u3084\u3059\u3044\u3093\u3058\u3083\u3002\u3057\u3063\u304b\u308a\u5bfe\u7b56\u3059\u308b\u3093\u3058\u3083\u305e\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\">8. WordPress\u57fa\u672c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u306fCMS\u5e02\u5834\u30b7\u30a7\u30a2\u304c\u9ad8\u3044\u305f\u3081\u3001\u653b\u6483\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u81ea\u52d5\u5316\u3055\u308c\u3084\u3059\u3044\u74b0\u5883\u3067\u3059\u3002\u672c\u4f53\u30fb\u30c6\u30fc\u30de\u30fb\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u6020\u308b\u3068\u3001\u65e2\u77e5\u306e\u8106\u5f31\u6027\u3092\u7a81\u304b\u308c\u308b\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2610 WordPress\u672c\u4f53\u3092\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u66f4\u65b0\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u30c6\u30fc\u30de\u3092\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u66f4\u65b0\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u66f4\u65b0\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u30c6\u30fc\u30de\u30fb\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u524a\u9664\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u7ba1\u7406\u8005\u30e6\u30fc\u30b6\u30fc\u540d\u304c\u300cadmin\u300d\u3067\u306f\u306a\u3044\u304b<\/li>\n<li>\u2610 \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\u306e\u63a5\u982d\u8f9e\u304c\u300cwp_\u300d\u4ee5\u5916\u306b\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u30d5\u30a1\u30a4\u30eb\u306e\u7de8\u96c6\u6a5f\u80fd\u3092\u7121\u52b9\u5316\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 xmlrpc.php\u3092\u7121\u52b9\u5316\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 wp-config.php\u304c\u9069\u5207\u306b\u4fdd\u8b77\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9\u304c\u672c\u756a\u74b0\u5883\u3067\u7121\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u5b9f\u88c5\u4f8b\uff1awp-config.php\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>&lt;?php\n\/\/ wp-config.php\n\n\/\/ \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u306e\u8a2d\u5b9a\uff08https:\/\/api.wordpress.org\/secret-key\/1.1\/salt\/ \u3067\u751f\u6210\uff09\ndefine('AUTH_KEY',         '\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217');\ndefine('SECURE_AUTH_KEY',  '\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217');\ndefine('LOGGED_IN_KEY',    '\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217');\ndefine('NONCE_KEY',        '\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217');\ndefine('AUTH_SALT',        '\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217');\ndefine('SECURE_AUTH_SALT', '\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217');\ndefine('LOGGED_IN_SALT',   '\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217');\ndefine('NONCE_SALT',       '\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217');\n\n\/\/ \u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9\u3092\u7121\u52b9\u5316\ndefine('WP_DEBUG', false);\ndefine('WP_DEBUG_LOG', false);\ndefine('WP_DEBUG_DISPLAY', false);\n\n\/\/ \u30d5\u30a1\u30a4\u30eb\u7de8\u96c6\u3092\u7121\u52b9\u5316\ndefine('DISALLOW_FILE_EDIT', true);\ndefine('DISALLOW_FILE_MODS', true);\n\n\/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\u63a5\u982d\u8f9e\u3092\u5909\u66f4\n$table_prefix = 'wpsec_'; \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u300cwp_\u300d\u304b\u3089\u5909\u66f4\n\n\/\/ SSL\u5f37\u5236\ndefine('FORCE_SSL_ADMIN', true);\n\n\/\/ \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\n@ini_set('display_errors', 0);\n?&gt;<\/code><\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u5b9f\u88c5\u4f8b\uff1a.htaccess\u3067\u306e\u4fdd\u8b77<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-none\" data-lang=\"Code\"><code># .htaccess\n\n# wp-config.php\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u62d2\u5426\n&lt;files wp-config.php&gt;\n  order allow,deny\n  deny from all\n&lt;\/files&gt;\n\n# xmlrpc.php\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u62d2\u5426\uff08\u4f7f\u7528\u3057\u306a\u3044\u5834\u5408\uff09\n&lt;files xmlrpc.php&gt;\n  order allow,deny\n  deny from all\n&lt;\/files&gt;\n\n# wp-includes\/\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\n&lt;IfModule mod_rewrite.c&gt;\n  RewriteEngine On\n  RewriteBase \/\n  RewriteRule ^wp-admin\/includes\/ - [F,L]\n  RewriteRule !^wp-includes\/ - [S=3]\n  RewriteRule ^wp-includes\/[^\/]+\\.php$ - [F,L]\n  RewriteRule ^wp-includes\/js\/tinymce\/langs\/.+\\.php - [F,L]\n  RewriteRule ^wp-includes\/theme-compat\/ - [F,L]\n&lt;\/IfModule&gt;\n\n# \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30ea\u30b9\u30c6\u30a3\u30f3\u30b0\u3092\u7121\u52b9\u5316\nOptions -Indexes\n\n# \u7ba1\u7406\u753b\u9762\u3078\u306eIP\u30a2\u30c9\u30ec\u30b9\u5236\u9650\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\uff09\n&lt;Files wp-login.php&gt;\n  order deny,allow\n  deny from all\n  # \u8a31\u53ef\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\n  allow from 123.456.789.0\n&lt;\/Files&gt;<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">9. WordPress \u30ed\u30b0\u30a4\u30f3\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2610 \u4e8c\u8981\u7d20\u8a8d\u8a3c\uff082FA\uff09\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u30ed\u30b0\u30a4\u30f3\u8a66\u884c\u56de\u6570\u3092\u5236\u9650\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 CAPTCHA \u3092\u8a2d\u7f6e\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u30ed\u30b0\u30a4\u30f3URL\u3092\u5909\u66f4\u3057\u3066\u3044\u308b\u304b\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\uff09<\/li>\n<li>\u2610 \u7ba1\u7406\u8005\u4ee5\u5916\u306e\u6295\u7a3f\u8005\u30da\u30fc\u30b8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3057\u3066\u3044\u308b\u304b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u63a8\u5968\u30d7\u30e9\u30b0\u30a4\u30f3<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Wordfence Security<\/strong>\uff1a\u7dcf\u5408\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30e9\u30b0\u30a4\u30f3<\/li>\n<li><strong>iThemes Security<\/strong>\uff1a30\u4ee5\u4e0a\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56<\/li>\n<li><strong>Login LockDown<\/strong>\uff1a\u30ed\u30b0\u30a4\u30f3\u8a66\u884c\u56de\u6570\u5236\u9650<\/li>\n<li><strong>Google Authenticator<\/strong>\uff1a\u4e8c\u8981\u7d20\u8a8d\u8a3c<\/li>\n<li><strong>WPS Hide Login<\/strong>\uff1a\u30ed\u30b0\u30a4\u30f3URL\u5909\u66f4<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u3010\u63a8\u5968\u3011\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u54c1\u8cea\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">10. HTML\/CSS\/JavaScript\u306e\u54c1\u8cea<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2610 HTML\u304c\u9069\u5207\u306b\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u30bb\u30de\u30f3\u30c6\u30a3\u30c3\u30afHTML\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u753b\u50cf\u306balt\u5c5e\u6027\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u30d5\u30a9\u30fc\u30e0\u306blabel\u8981\u7d20\u304c\u9069\u5207\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 ARIA\u5c5e\u6027\u304c\u5fc5\u8981\u306a\u7b87\u6240\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 CSS\u306b\u30d9\u30f3\u30c0\u30fc\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u304c\u9069\u5207\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 JavaScript\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u30a8\u30e9\u30fc\u304c\u306a\u3044\u304b<\/li>\n<li>\u2610 \u4f9d\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u6700\u65b0\u3067\u8106\u5f31\u6027\u304c\u306a\u3044\u304b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u691c\u8a3c\u30c4\u30fc\u30eb<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>W3C Markup Validation Service<\/strong>\uff1aHTML\u691c\u8a3c<\/li>\n<li><strong>W3C CSS Validation Service<\/strong>\uff1aCSS\u691c\u8a3c<\/li>\n<li><strong>ESLint<\/strong>\uff1aJavaScript\u9759\u7684\u89e3\u6790<\/li>\n<li><strong>npm audit \/ yarn audit<\/strong>\uff1a\u4f9d\u5b58\u95a2\u4fc2\u306e\u8106\u5f31\u6027\u30c1\u30a7\u30c3\u30af<\/li>\n<li><strong>Snyk<\/strong>\uff1a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u691c\u51fa<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">11. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068SEO<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2610 \u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u304c3\u79d2\u4ee5\u5185\u304b<\/li>\n<li>\u2610 \u753b\u50cf\u304c\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u308b\u304b\uff08WebP\u3001\u9069\u5207\u306a\u30b5\u30a4\u30ba\uff09<\/li>\n<li>\u2610 CSS\/JavaScript\u304c\u6700\u5c0f\u5316\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 Gzip\/Brotli\u5727\u7e2e\u304c\u6709\u52b9\u304b<\/li>\n<li>\u2610 \u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u30e2\u30d0\u30a4\u30eb\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u304b<\/li>\n<li>\u2610 Core Web Vitals \u306e\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b<\/li>\n<li>\u2610 \u30ea\u30f3\u30af\u5207\u308c\u304c\u306a\u3044\u304b<\/li>\n<li>\u2610 robots.txt\u3001sitemap.xml\u304c\u9069\u5207\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u3010\u5b9f\u8df5\u3011\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u67fb\u306e\u5b9f\u65bd\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u81ea\u52d5\u5316\u30c4\u30fc\u30eb\u306e\u6d3b\u7528<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. OWASP ZAP\uff08Zed Attack Proxy\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u7121\u6599\u306eWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30ca\u30fc\u3067\u3059\u3002Docker\u3067\u624b\u8efd\u306b\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code># Docker \u3067 OWASP ZAP \u3092\u5b9f\u884c\ndocker run -t owasp\/zap2docker-stable zap-baseline.py -t https:\/\/your-website.com\n\n# \u30ec\u30dd\u30fc\u30c8\u304c\u751f\u6210\u3055\u308c\u308b<\/code><\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">2. Mozilla Observatory<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Web\u30b5\u30a4\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u3092\u8a3a\u65ad\u3059\u308b\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">URL: https:\/\/observatory.mozilla.org\/<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. SSL Labs SSL Test<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">SSL\/TLS\u8a2d\u5b9a\u3092\u8a73\u7d30\u306b\u8a3a\u65ad\u3057\u3001\u8a55\u4fa1\u30b0\u30ec\u30fc\u30c9\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">URL: https:\/\/www.ssllabs.com\/ssltest\/<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4. npm audit \/ yarn audit<\/h4>\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code># Node.js\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8106\u5f31\u6027\u30c1\u30a7\u30c3\u30af\nnpm audit\n\n# \u81ea\u52d5\u4fee\u6b63\nnpm audit fix\n\n# \u307e\u305f\u306f yarn\nyarn audit<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5b9a\u671f\u7684\u306a\u76e3\u8996\u4f53\u5236\u306e\u69cb\u7bc9<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9031\u6b21\u30c1\u30a7\u30c3\u30af<\/strong>\n<ul>\n<li>CMS\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u78ba\u8a8d<\/li>\n<li>\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306e\u7570\u5e38\u691c\u77e5<\/li>\n<li>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u78ba\u8a8d<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6708\u6b21\u30c1\u30a7\u30c3\u30af<\/strong>\n<ul>\n<li>\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30f3\u306e\u5b9f\u65bd<\/li>\n<li>SSL\u8a3c\u660e\u66f8\u306e\u6709\u52b9\u671f\u9650\u78ba\u8a8d<\/li>\n<li>\u30ea\u30f3\u30af\u5207\u308c\u30c1\u30a7\u30c3\u30af<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u56db\u534a\u671f\u30c1\u30a7\u30c3\u30af<\/strong>\n<ul>\n<li>\u5168\u4f53\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u67fb<\/li>\n<li>\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\uff08\u53ef\u80fd\u3067\u3042\u308c\u3070\uff09<\/li>\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u306e\u898b\u76f4\u3057<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.06.05.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u30c1\u30a7\u30c3\u30af\u9805\u76ee\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u306d\uff01\u5168\u90e8\u4e00\u5ea6\u306b\u3084\u308b\u306e\u306f\u5927\u5909\u305d\u3046\u2026<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.12.07.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u305d\u306e\u901a\u308a\u3058\u3083\uff01\u307e\u305a\u306f\u91cd\u8981\u5ea6\u306e\u9ad8\u3044\u9805\u76ee\u304b\u3089\u9806\u756a\u306b\u5bfe\u7b56\u3057\u3066\u3044\u304f\u306e\u304c\u826f\u3044\u305e\u3002HTTPS\u5bfe\u5fdc\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u30cf\u30c3\u30b7\u30e5\u5316\u3001XSS\/SQLi\u5bfe\u7b56\u3042\u305f\u308a\u304b\u3089\u59cb\u3081\u308b\u3093\u3058\u3083\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-14.48.08.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u308f\u304b\u308a\u307e\u3057\u305f\uff01\u3053\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u4f7f\u3063\u3066\u3001\u5b89\u5168\u306aWeb\u30b5\u30a4\u30c8\u3092\u4f5c\u308a\u307e\u3059\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u500b\u4eba\u30d6\u30ed\u30b0\u3084\u5c0f\u898f\u6a21\u30b5\u30a4\u30c8\u3067\u3082\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306f\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u306f\u3044\u3001\u5fc5\u8981\u3067\u3059\u3002\u898f\u6a21\u306b\u304b\u304b\u308f\u3089\u305a\u3001HTTPS\u5316\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u8a2d\u5b9a\u30fbCMS\u306e\u6700\u65b0\u5316\u306f\u5fc5\u9808\u3067\u3059\u3002\u5c0f\u898f\u6a21\u30b5\u30a4\u30c8\u306f\u5bfe\u7b56\u304c\u624b\u8584\u306a\u30b1\u30fc\u30b9\u304c\u591a\u304f\u3001\u81ea\u52d5\u5316\u3055\u308c\u305f\u653b\u6483\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u6a19\u7684\u306b\u306a\u308a\u3084\u3059\u3044\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002\u30de\u30eb\u30a6\u30a7\u30a2\u914d\u5e03\u306e\u8e0f\u307f\u53f0\u306b\u3055\u308c\u308b\u3068SEO\u8a55\u4fa1\u306b\u3082\u6df1\u523b\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3068XSS\u306f\u3069\u3061\u3089\u304c\u5371\u967a\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3069\u3061\u3089\u3082\u6df1\u523b\u3067\u3059\u304c\u3001\u6027\u8cea\u304c\u7570\u306a\u308a\u307e\u3059\u3002SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u60c5\u5831\u6f0f\u6d29\u30fb\u6539\u3056\u3093\u30fb\u524a\u9664\u306b\u76f4\u7d50\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u5168\u4f53\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002XSS\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3055\u305b\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u76d7\u7528\u3084\u610f\u56f3\u3057\u306a\u3044\u64cd\u4f5c\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002OWASP Top 10\u3067\u306f\u4e21\u65b9\u304c\u4e0a\u4f4d\u306b\u4f4d\u7f6e\u3065\u3051\u3089\u308c\u3066\u304a\u308a\u3001\u3069\u3061\u3089\u3082\u540c\u7b49\u306b\u5bfe\u7b56\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">CSRF\u30c8\u30fc\u30af\u30f3\u3068SameSite Cookie\u306f\u3069\u3061\u3089\u3092\u4f7f\u3048\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u80fd\u3067\u3042\u308c\u3070\u4e21\u65b9\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u306e\u304c\u30d9\u30b9\u30c8\u3067\u3059\u3002SameSite=Strict \u307e\u305f\u306f Lax \u306e Cookie \u8a2d\u5b9a\u306f\u30e2\u30c0\u30f3\u30d6\u30e9\u30a6\u30b6\u3067\u6709\u52b9\u3067\u3059\u304c\u3001\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3084\u4e00\u90e8\u306e\u72b6\u6cc1\u3067\u306f\u6a5f\u80fd\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002CSRF\u30c8\u30fc\u30af\u30f3\u306f\u3088\u308a\u78ba\u5b9f\u306a\u5bfe\u7b56\u3067\u3042\u308a\u3001\u7279\u306b\u91cd\u8981\u306a\u64cd\u4f5c\uff08\u652f\u6255\u3044\u30fb\u30d1\u30b9\u30ef\u30fc\u30c9\u5909\u66f4\u306a\u3069\uff09\u306b\u306f\u5fc5\u305a\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">WordPress\u306exmlrpc.php\u306f\u5fc5\u305a\u7121\u52b9\u5316\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Jetpack\u306a\u3069xmlrpc\u3092\u5fc5\u8981\u3068\u3059\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u3001\u7121\u52b9\u5316\u3059\u308b\u3053\u3068\u3092\u5f37\u304f\u63a8\u5968\u3057\u307e\u3059\u3002xmlrpc.php\u306f\u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9\u653b\u6483\u3084DDoS\u653b\u6483\u306b\u60aa\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u4f7f\u7528\u3057\u306a\u3044\u306a\u3089.htaccess\u3067\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u306e\u304c\u5b89\u5168\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u306f\u7121\u6599\u306e\u3082\u306e\u3067\u3082\u5341\u5206\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u672c\u7684\u306a\u76e3\u67fb\u306fOWASP ZAP\u30fbMozilla Observatory\u30fbSSL Labs SSL Test\u306a\u3069\u306e\u7121\u6599\u30c4\u30fc\u30eb\u3067\u5341\u5206\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u672c\u756a\u74b0\u5883\u3067\u306e\u672c\u683c\u7684\u306a\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u3084\u7d99\u7d9a\u7684\u306a\u8106\u5f31\u6027\u76e3\u8996\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u6709\u6599\u306e\u5c02\u9580\u30b5\u30fc\u30d3\u30b9\u3084Snyk\u306a\u3069\u306e\u5546\u7528\u30c4\u30fc\u30eb\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8a18\u4e8b\u3067\u306f\u3001Web\u5236\u4f5c\u306b\u304a\u3051\u308b\u30bb\u30ad\u30e5\u30a2\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u5b8c\u5168\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u3001\u5b9f\u88c5\u4f8b\u3068\u5171\u306b\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u57fa\u672c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>\uff1aHTTPS\u5bfe\u5fdc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d8\u30c3\u30c0\u30fc\u306e\u8a2d\u5b9a\u306f\u5168\u30b5\u30a4\u30c8\u3067\u5fc5\u9808<\/li>\n<li><strong>\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u5bfe\u7b56<\/strong>\uff1aSQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u30fbXSS\u30fbCSRF\u3078\u306e\u5bfe\u7b56\u3092\u5fb9\u5e95\u3059\u308b<\/li>\n<li><strong>\u8a8d\u8a3c\u30fb\u8a8d\u53ef<\/strong>\uff1a\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u30cf\u30c3\u30b7\u30e5\u5316\uff08bcrypt\/Argon2\uff09\u3068\u30bb\u30c3\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b<\/li>\n<li><strong>WordPress<\/strong>\uff1a\u672c\u4f53\u30fb\u30c6\u30fc\u30de\u30fb\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u66f4\u65b0\u3092\u7d99\u7d9a\u3057\u3001\u4e0d\u8981\u306a\u3082\u306e\u306f\u524a\u9664\u3059\u308b<\/li>\n<li><strong>\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u54c1\u8cea<\/strong>\uff1aHTML\/CSS\/JavaScript\u306e\u691c\u8a3c\u30c4\u30fc\u30eb\u3092\u6d3b\u7528\u3057\u3066\u54c1\u8cea\u3092\u62c5\u4fdd\u3059\u308b<\/li>\n<li><strong>\u7d99\u7d9a\u7684\u76e3\u8996<\/strong>\uff1a\u9031\u6b21\u30fb\u6708\u6b21\u30fb\u56db\u534a\u671f\u306e\u30c1\u30a7\u30c3\u30af\u4f53\u5236\u3092\u69cb\u7bc9\u3057\u3001\u5b9a\u671f\u7684\u306b\u76e3\u67fb\u3059\u308b<\/li>\n<li><strong>\u81ea\u52d5\u5316\u30c4\u30fc\u30eb\u6d3b\u7528<\/strong>\uff1aOWASP ZAP\u30fbMozilla Observatory\u30fbnpm audit\u3067\u52b9\u7387\u7684\u306b\u8106\u5f31\u6027\u3092\u691c\u51fa\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker 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