{"id":39612,"date":"2026-07-01T03:38:55","date_gmt":"2026-07-01T10:38:55","guid":{"rendered":"https:\/\/www.privateinternetaccess.com\/blog\/?p=39612"},"modified":"2026-07-22T04:25:38","modified_gmt":"2026-07-22T11:25:38","slug":"zero-day-exploit","status":"publish","type":"post","link":"https:\/\/www.privateinternetaccess.com\/ja\/blog\/zero-day-exploit\/","title":{"rendered":"\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3068\u306f\uff1f\u5f71\u97ff\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u3001<strong>\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u63d0\u4f9b\u3055\u308c\u308b\u524d\u306b\u653b\u6483\u304c\u59cb\u307e\u308b<\/strong>\u305f\u3081\u3001\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u306e\u4e2d\u3067\u3082\u7279\u306b\u9632\u304e\u306b\u304f\u3044\u3082\u306e\u306e\u3072\u3068\u3064\u3067\u3059\u3002\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u8005\u304c\u307e\u3060\u8106\u5f31\u6027\u306b\u6c17\u3065\u3044\u3066\u3044\u306a\u3044\u5834\u5408\u3084\u3001\u30d1\u30c3\u30c1\u3092\u958b\u767a\u3057\u3066\u3044\u308b\u6700\u4e2d\u306b\u653b\u6483\u8005\u304c\u3059\u3067\u306b\u305d\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u305f\u3081\u3001\u500b\u4eba\u3084\u7d44\u7e54\u304c\u3001\u77e5\u3089\u306a\u3044\u3046\u3061\u306b\u8106\u5f31\u6027\u3092\u62b1\u3048\u305f\u30a2\u30d7\u30ea\u3084\u30c7\u30d0\u30a4\u30b9\u3001\u30d6\u30e9\u30a6\u30b6\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3044\u7d9a\u3051\u3066\u3057\u307e\u3044\u3001\u653b\u6483\u3092\u53d7\u3051\u308b\u30ea\u30b9\u30af\u306b\u3055\u3089\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u4ed5\u7d44\u307f\u3084\u5371\u967a\u6027\u3001\u305d\u3057\u3066\u653b\u6483\u3092\u53d7\u3051\u308b\u30ea\u30b9\u30af\u3092\u6e1b\u3089\u3059\u305f\u3081\u306e\u5bfe\u7b56\u306b\u3064\u3044\u3066\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background-color: #d5dde3; padding: 15px; border-radius: 10px; max-width: 500px;\">\n<h4>\u76ee\u6b21<\/h4>\n<a href=\"#ZeroDayExploits\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3068\u306f\uff1f<\/a><br>\n<a href=\"#TheLifecycle\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u6d41\u308c<\/a><br>\n<a href=\"#WhyZeroDay\">\u306a\u305c\u30bc\u30ed\u30c7\u30a4\u8105\u5a01\u3078\u306e\u5bfe\u7b56\u306f\u96e3\u3057\u3044\u306e\u304b<\/a><br>\n<a href=\"#CommonTargets\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3067\u72d9\u308f\u308c\u3084\u3059\u3044\u5bfe\u8c61<\/a><br>\n<a href=\"#RealWorld\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u5b9f\u4f8b<\/a><br>\n<a href=\"#HowSecurity\">\u30bc\u30ed\u30c7\u30a4\u653b\u6483\u306e\u691c\u77e5\u3068\u5c01\u3058\u8fbc\u3081<\/a><br>\n<a href=\"#PracticalWays\">\u30bc\u30ed\u30c7\u30a4\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306e\u5177\u4f53\u7b56<\/a><br>\n<a href=\"#FAQ\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><br><\/div>\n\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n\n\n<div style=\"background-color: #cfe2f3; padding: 1em; border-radius: 1em;\"><h2 id=\"ZeroDayExploits\" class=\"wp-block-heading\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3068\u306f\u3001\u958b\u767a\u5143\u304c\u307e\u3060\u628a\u63e1\u3057\u3066\u3044\u306a\u3044\u3001\u307e\u305f\u306f\u4fee\u6b63\u30d1\u30c3\u30c1\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u306a\u3044\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u653b\u6483\u624b\u6cd5\u3067\u3059\u3002\u30bc\u30ed\u30c7\u30a4\uff08Zero Day\uff09\u300d\u3068\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u958b\u767a\u5143\u304c\u8106\u5f31\u6027\u3092\u4fee\u6b63\u3059\u308b\u307e\u3067\u306e\u7336\u4e88\u671f\u9593\u306e\u3053\u3068\u3067\u3059\u3002<\/p><\/div>\n\n\n\n<h3 id=\"h-\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027-\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8-\u30bc\u30ed\u30c7\u30a4\u653b\u6483\u306e\u9055\u3044\" class=\"wp-block-heading\">\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027\u30fb\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30fb\u30bc\u30ed\u30c7\u30a4\u653b\u6483\u306e\u9055\u3044<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr style=\"background-color: #88E47B\"><td><strong>\u7528\u8a9e<\/strong><\/td><td><strong>\u610f\u5473<\/strong><\/td><td><strong>\u4f8b<\/strong><\/td><\/tr><tr><td>\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027<\/td><td>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306b\u5b58\u5728\u3059\u308b\u3001\u307e\u3060\u958b\u767a\u5143\u306b\u628a\u63e1\u3055\u308c\u3066\u3044\u306a\u3044\u3001\u307e\u305f\u306f\u4fee\u6b63\u3055\u308c\u3066\u3044\u306a\u3044\u8106\u5f31\u6027<\/td><td>\u60aa\u610f\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3067\u304d\u3066\u3057\u307e\u3046\u30d6\u30e9\u30a6\u30b6\u306e\u30d0\u30b0<\/td><\/tr><tr><td>\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8<\/td><td>\u305d\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u305f\u3081\u306e\u30b3\u30fc\u30c9\u3084\u653b\u6483\u624b\u6cd5<\/td><td>\u305d\u306e\u30d6\u30e9\u30a6\u30b6\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u305f\u3081\u306b\u4f5c\u3089\u308c\u305f\u30b3\u30fc\u30c9\u3084\u624b\u6cd5<\/td><\/tr><tr><td>\u30bc\u30ed\u30c7\u30a4\u653b\u6483<\/td><td>\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u5b9f\u969b\u306b\u4f7f\u3063\u3066\u884c\u308f\u308c\u308b\u653b\u6483<\/td><td>\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306b\u3088\u308b\u3001\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u5229\u7528\u3057\u305f\u8106\u5f31\u306a\u30c7\u30d0\u30a4\u30b9\u3078\u306e\u653b\u6483<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"TheLifecycle\" class=\"wp-block-heading\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u6d41\u308c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"#CommonTargets\">\u3069\u306e\u3088\u3046\u306a\u5bfe\u8c61\u304c\u72d9\u308f\u308c\u3066\u3082<\/a>\u3001\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u57fa\u672c\u7684\u306a\u6d41\u308c\u306f\u307b\u307c\u540c\u3058\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.privateinternetaccess.com\/blog\/wp-content\/uploads\/2026\/07\/JA-The-Zero-Day-Exploit-Lifecycle-Japanese.png\" alt=\"\u8106\u5f31\u6027\u306e\u767a\u898b\u304b\u3089\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u958b\u767a\u3001\u691c\u77e5\u3001\u60c5\u5831\u516c\u958b\u3001\u30d1\u30c3\u30c1\u9069\u7528\u3001\u30d1\u30c3\u30c1\u516c\u958b\u5f8c\u3082\u7d9a\u304f\u5371\u967a\u6027\u307e\u3067\u3001\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u6d41\u308c\u3092\u793a\u3057\u305f\u56f3\u3002\" class=\"wp-image-39285\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u767a\u898b\u3002<\/strong>\u653b\u6483\u8005\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7814\u7a76\u8005\u304c\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30b5\u30fc\u30d3\u30b9\u306b\u5b58\u5728\u3059\u308b\u8106\u5f31\u6027\u3092\u767a\u898b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u958b\u767a\u3002<\/strong>\u653b\u6483\u8005\u306f\u8106\u5f31\u6027\u3092\u767a\u898b\u3057\u3001\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u3068\u3001\u305d\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u305f\u3081\u306e\u653b\u6483\u624b\u6cd5\u3092\u958b\u767a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u60aa\u7528\u3002<\/strong>\u653b\u6483\u8005\u306f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u4f7f\u3063\u3066\u8106\u5f31\u6027\u306e\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3092\u4ed5\u639b\u3051\u307e\u3059\u3002\u653b\u6483\u5bfe\u8c61\u306f\u3001\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u5834\u6240\u3084\u3001\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u3088\u3063\u3066\u653b\u6483\u8005\u304c\u53d6\u5f97\u3067\u304d\u308b\u6a29\u9650\u306e\u7bc4\u56f2\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u691c\u77e5\u3002<\/strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u5143\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7814\u7a76\u8005\u3001\u307e\u305f\u306f\u653b\u6483\u5bfe\u8c61\u3068\u306a\u308b\u7d44\u7e54\u304c\u4e0d\u5be9\u306a\u52d5\u304d\u306b\u6c17\u3065\u3044\u3066\u521d\u3081\u3066\u3001\u8106\u5f31\u6027\u306e\u5b58\u5728\u304c\u660e\u3089\u304b\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u7570\u5e38\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3084\u4e88\u671f\u3057\u306a\u3044\u30b7\u30b9\u30c6\u30e0\u306e\u5909\u66f4\u3001\u4e0d\u5be9\u306a\u30ed\u30b0\u30a4\u30f3\u306a\u3069\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u60c5\u5831\u516c\u958b\u3002<\/strong>\u8106\u5f31\u6027\u304c\u78ba\u8a8d\u3055\u308c\u308b\u3068\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u5143\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u95a2\u304c\u6ce8\u610f\u559a\u8d77\u3092\u516c\u958b\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u4e00\u90e8\u306e\u8106\u5f31\u6027\u306b\u306fCVE\uff08\u5171\u901a\u8106\u5f31\u6027\u8b58\u5225\u5b50\uff09\u304c\u4ed8\u4e0e\u3055\u308c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62c5\u5f53\u8005\u304c\u8106\u5f31\u6027\u3092\u5171\u901a\u306e\u8b58\u5225\u65b9\u6cd5\u3067\u8ffd\u8de1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30d1\u30c3\u30c1\u9069\u7528\u3068\u88ab\u5bb3\u8efd\u6e1b\u3002<\/strong>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u5143\u306f\u3001\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\u3001\u30d1\u30c3\u30c1\u3084\u56de\u907f\u7b56\u3001\u8a2d\u5b9a\u5909\u66f4\u306a\u3069\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u7d44\u7e54\u306f\u5bfe\u8c61\u3068\u306a\u308b\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3067\u5bfe\u5fdc\u7b56\u3092\u30c6\u30b9\u30c8\u3057\u3001\u512a\u5148\u9806\u4f4d\u3092\u4ed8\u3051\u305f\u3046\u3048\u3067\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<h2 id=\"WhyZeroDay\" class=\"wp-block-heading\">\u306a\u305c\u30bc\u30ed\u30c7\u30a4\u8105\u5a01\u3078\u306e\u5bfe\u7b56\u306f\u96e3\u3057\u3044\u306e\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u3001\u8ab0\u3082\u8106\u5f31\u6027\u306e\u5b58\u5728\u306b\u6c17\u3065\u3044\u3066\u3044\u306a\u3044\u6bb5\u968e\u3001\u3064\u307e\u308a\u4fee\u6b63\u30d1\u30c3\u30c1\u304c\u516c\u958b\u3055\u308c\u308b\u524d\u306e\u6bb5\u968e\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3060\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u3059\u3079\u3066\u306e\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u6df1\u523b\u306a\u88ab\u5bb3\u306b\u3064\u306a\u304c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<a href=\"https:\/\/www.privateinternetaccess.com\/blog\/manage-security-vulnerabilities\/\">\u3059\u3067\u306b\u77e5\u3089\u308c\u3066\u3044\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u8106\u5f31\u6027<\/a>\u3078\u306e\u653b\u6483\u3068\u6bd4\u3079\u308b\u3068\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62c5\u5f53\u8005\u306b\u4e0e\u3048\u3089\u308c\u308b\u5bfe\u5fdc\u6642\u9593\u304c\u77ed\u304f\u3001\u5f97\u3089\u308c\u308b\u60c5\u5831\u3082\u9650\u3089\u308c\u3001\u3059\u3050\u306b\u5229\u7528\u3067\u304d\u308b\u5bfe\u5fdc\u7b56\u3082\u5c11\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<h3 id=\"h-\u691c\u77e5\u304c\u9045\u308c\u308b\u3053\u3068\u304c\u591a\u3044\" class=\"wp-block-heading\">\u691c\u77e5\u304c\u9045\u308c\u308b\u3053\u3068\u304c\u591a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u306f\u3001\u65e2\u77e5\u306e\u8105\u5a01\u30b7\u30b0\u30cd\u30c1\u30e3\u3092\u3082\u3068\u306b\u8105\u5a01\u3092\u691c\u77e5\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u3059\u3067\u306b\u60aa\u610f\u306e\u3042\u308b\u3082\u306e\u3068\u3057\u3066\u7279\u5b9a\u3055\u308c\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u3084\u30b3\u30fc\u30c9\u3001\u653b\u6483\u306e\u7279\u5fb4\u3092\u898b\u3064\u3051\u51fa\u3057\u307e\u3059\u3002\u65b0\u305f\u306b\u767a\u898b\u3055\u308c\u305f\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u3001\u6700\u521d\u306e\u6bb5\u968e\u3067\u306f\u3053\u3046\u3057\u305f\u65e2\u77e5\u306e\u30d1\u30bf\u30fc\u30f3\u3068\u4e00\u81f4\u3057\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62c5\u5f53\u8005\u306f\u3001\u901a\u5e38\u3068\u306f\u7570\u306a\u308b\u4e0d\u5be9\u306a\u52d5\u304d\u3092\u63a2\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u304c\u3001\u30bc\u30ed\u30c7\u30a4\u653b\u6483\u306b\u3088\u308b\u4fb5\u5165\u304c\u9577\u671f\u9593\u6c17\u3065\u304b\u308c\u306a\u3044\u7406\u7531\u306e\u4e00\u3064\u3067\u3059\u3002<strong>Mandiant Consulting\u306e\u5e74\u6b21\u30ec\u30dd\u30fc\u30c8\u300cM-Trends 2025\u300d\u306b\u3088\u308b\u3068\u30012024\u5e74\u306e\u4e16\u754c\u7684\u306a\u4fb5\u5165\u5f8c\u306e\u6ede\u7559\u6642\u9593\uff08\u653b\u6483\u8005\u304c\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u53d6\u5f97\u3057\u3066\u304b\u3089\u3001\u305d\u306e\u6d3b\u52d5\u304c\u691c\u77e5\u3055\u308c\u308b\u307e\u3067\u306e\u671f\u9593\uff09\u306e\u4e2d\u592e\u5024\u306f11\u65e5\u3067\u3001<\/strong>\u5916\u90e8\u306e\u7d44\u7e54\u306b\u3088\u3063\u3066\u4fb5\u5165\u304c\u767a\u898b\u3055\u308c\u305f\u30b1\u30fc\u30b9\u3067\u306f\u3001\u305d\u306e\u4e2d\u592e\u5024\u306f26\u65e5\u3067\u3057\u305f<sup>1<\/sup> 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class=\"wp-block-paragraph\"><strong>\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027\u304c\u3001\u591a\u304f\u306e\u4eba\u3084\u7d44\u7e54\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u30c7\u30d0\u30a4\u30b9\u3001\u30b5\u30fc\u30d3\u30b9\u3067\u898b\u3064\u304b\u3063\u305f\u5834\u5408\u3001\u5e83\u7bc4\u56f2\u306b\u308f\u305f\u308b\u30ea\u30b9\u30af\u3092\u3082\u305f\u3089\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/strong>\u3002Google Threat Intelligence Group\u306e\u8abf\u67fb\u306b\u3088\u308b\u3068\u30012024\u5e74\u306b\u306f75\u4ef6\u306e\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027\u304c\u5b9f\u969b\u306b\u60aa\u7528\u3055\u308c\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u653b\u6483\u306e\u6a19\u7684\u306f\u3001\u4f01\u696d\u5411\u3051\u88fd\u54c1\u3001\u3068\u304f\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u88fd\u54c1\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u88fd\u54c1\u3078\u3068\u79fb\u884c\u3059\u308b\u50be\u5411\u304c\u7d9a\u3044\u3066\u3044\u308b\u3053\u3068\u3082\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059<sup>2<\/sup> \u3002<\/p>\n\n\n\n<p 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class=\"wp-block-paragraph\">\u30b3\u30fc\u30c9\u304c\u52d5\u4f5c\u3059\u308b\u74b0\u5883\u3067\u3042\u308c\u3070\u3001\u307b\u307c\u3069\u3053\u306b\u3067\u3082\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u3084\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u3001\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3001\u30af\u30e9\u30a6\u30c9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3001\u30eb\u30fc\u30bf\u30fc\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001\u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u6a19\u7684\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"h-\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u3068\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306eos\" class=\"wp-block-heading\">\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u3068\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306eOS<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u3084OS\u306f\u3001\u591a\u304f\u306e\u4eba\u304c\u65e5\u5e38\u7684\u306b\u5229\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u653b\u6483\u8005\u306b\u72d9\u308f\u308c\u3084\u3059\u3044\u5bfe\u8c61\u3067\u3059\u3002<strong>\u30d6\u30e9\u30a6\u30b6\u306f\u3001\u3082\u3068\u3082\u3068\u4fe1\u983c\u3067\u304d\u306a\u3044\u30a6\u30a7\u30d6\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u51e6\u7406\u3059\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u653b\u6483\u7528\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u9001\u308a\u8fbc\u3080\u624b\u6bb5\u3068\u3057\u3066\u60aa\u7528\u3055\u308c\u3084\u3059\u3044<\/strong>\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u3078\u306e\u653b\u6483\u305d\u306e\u3082\u306e\u304c\u6700\u7d42\u7684\u306a\u76ee\u7684\u3067\u3042\u308b\u3053\u3068\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002\u591a\u304f\u306e\u5834\u5408\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u30d6\u30e9\u30a6\u30b6\u3092\u8db3\u304c\u304b\u308a\u306b\u3057\u3066OS\u3078\u4fb5\u5165\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3092\u4fb5\u5bb3\u3059\u308b\u3053\u3068\u304c\u76ee\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h3 id=\"h-\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u3068\u30a2\u30d7\u30ea\" class=\"wp-block-heading\">\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u3068\u30a2\u30d7\u30ea<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e2\u30d0\u30a4\u30eb\u5411\u3051\u306e\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u3001<strong>\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3084\u30e2\u30d0\u30a4\u30ebOS\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u30a2\u30d7\u30ea\u306e\u307b\u304b\u3001\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u3092\u6271\u3046\u3055\u307e\u3056\u307e\u306a\u30a2\u30d7\u30ea\u3092\u6a19\u7684\u306b\u3057\u307e\u3059<\/strong>\u3002\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306b\u306f\u3001\u500b\u4eba\u9593\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3084\u4f4d\u7f6e\u60c5\u5831\u3001\u5199\u771f\u306b\u52a0\u3048\u3001\u9280\u884c\u3084\u30e1\u30fc\u30eb\u306a\u3069\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u60c5\u5831\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3082\u591a\u3044\u305f\u3081\u3001\u3053\u3046\u3057\u305f\u653b\u6483\u306f\u6df1\u523b\u306a\u88ab\u5bb3\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"h-\u4f01\u696d\u5411\u3051\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\" class=\"wp-block-heading\">\u4f01\u696d\u5411\u3051\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f01\u696d\u5411\u3051\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u8106\u5f31\u6027\u304c\u898b\u3064\u304b\u308b\u3068\u3001<strong>1\u3064\u306e\u8106\u5f31\u6027\u304c\u540c\u6642\u306b\u591a\u304f\u306e\u7d44\u7e54\u3078\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b<\/strong>\u305f\u3081\u3001\u5e83\u7bc4\u56f2\u306b\u308f\u305f\u308b\u30ea\u30b9\u30af\u306b\u3064\u306a\u304c\u308b\u304a\u305d\u308c\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u308c\u3089\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u3084\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u3001\u9867\u5ba2\u30c7\u30fc\u30bf\u3001\u793e\u5185\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306a\u3069\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3082\u3001\u653b\u6483\u8005\u306b\u3068\u3063\u3066\u9b45\u529b\u7684\u306a\u6a19\u7684\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"h-iot\u30c7\u30d0\u30a4\u30b9\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u6a5f\u5668\" class=\"wp-block-heading\">IoT\u30c7\u30d0\u30a4\u30b9\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u6a5f\u5668<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IoT\u30c7\u30d0\u30a4\u30b9\u306b\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30ab\u30e1\u30e9\u3084\u30b9\u30de\u30fc\u30c8\u30c6\u30ec\u30d3\u3001\u30b9\u30de\u30fc\u30c8\u30db\u30fc\u30e0\u6a5f\u5668\u3001\u30d7\u30ea\u30f3\u30bf\u30fc\u3001\u30bb\u30f3\u30b5\u30fc\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u6a5f\u5668\u304c\u542b\u307e\u308c\u307e\u3059\u3002<strong>\u3053\u308c\u3089\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3084\u30ce\u30fc\u30c8\u30d1\u30bd\u30b3\u30f3\u307b\u3069\u983b\u7e41\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e<\/strong>\u3059\u3002\u307e\u305f\u3001\u30e1\u30fc\u30ab\u30fc\u306b\u3088\u308b\u30b5\u30dd\u30fc\u30c8\u304c\u7d42\u4e86\u3057\u305f\u5f8c\u3082\u4f7f\u3044\u7d9a\u3051\u3089\u308c\u308b\u30b1\u30fc\u30b9\u304c\u5c11\u306a\u304f\u306a\u3044\u305f\u3081\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"RealWorld\" class=\"wp-block-heading\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u5b9f\u4f8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u60aa\u7528\u3055\u308c\u305f\u5834\u5408\u306e\u5f71\u97ff\u306e\u5927\u304d\u3055\u306f\u3001\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u5834\u6240\u3084\u3001\u305d\u306e\u88fd\u54c1\u304c\u3069\u308c\u3060\u3051\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u4e8b\u4f8b\u304b\u3089\u3001\u30bc\u30ed\u30c7\u30a4\u30ea\u30b9\u30af\u304c\u3001\u3042\u3089\u3086\u308b\u7a2e\u985e\u306e\u30c7\u30d0\u30a4\u30b9\u3084\u30a2\u30d7\u30ea\u3001\u7d44\u7e54\u306b\u5f71\u97ff\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Log4Shell\u3002<\/strong>Log4Shell\u306f\u3001Java\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u30ed\u30ae\u30f3\u30b0\u30e9\u30a4\u30d6\u30e9\u30ea\u300cApache Log4j\u300d\u306b\u898b\u3064\u304b\u3063\u305f\u6df1\u523b\u306a\u8106\u5f31\u6027\u3067\u3059\u3002Log4j\u306f\u6570\u591a\u304f\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u30ed\u30b0\u7ba1\u7406\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u305f\u305f\u3081\u3001\u308f\u305a\u304b1\u3064\u306e\u8106\u5f31\u6027\u306b\u3088\u3063\u3066\u3001\u653b\u6483\u8005\u306fApache Log4j\u3092\u5229\u7528\u3057\u3066\u3044\u305f\u3055\u307e\u3056\u307e\u306a\u30b7\u30b9\u30c6\u30e0\u3078\u4fb5\u5165\u3059\u308b\u8db3\u304c\u304b\u308a\u3092\u5f97\u307e\u3057\u305f\u3002\u305d\u306e\u7d50\u679c\u3001\u591a\u304f\u306e\u30b5\u30fc\u30d3\u30b9\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5e83\u7bc4\u56f2\u306b\u308f\u305f\u308b\u30ea\u30b9\u30af\u3092\u3082\u305f\u3089\u3057\u307e\u3057\u305f\u3002<sup>3<\/sup><\/li>\n\n\n\n<li><strong>Google Chrome\u3002<\/strong>2024\u5e741\u6708\u3001Google\u306f\u3001V8 JavaScript\u30a8\u30f3\u30b8\u30f3\u3067\u5b9f\u969b\u306b\u60aa\u7528\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u305f\u30e1\u30e2\u30ea\u306e\u5883\u754c\u5916\u30a2\u30af\u30bb\u30b9\u306e\u8106\u5f31\u6027\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u3001Chrome\u306e\u7dca\u6025\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3055\u308c\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e1\u30e2\u30ea\u304c\u4e0d\u6b63\u306b\u66f8\u304d\u63db\u3048\u3089\u308c\u3001\u6700\u60aa\u306e\u5834\u5408\u3001\u653b\u6483\u8005\u306b\u30b7\u30b9\u30c6\u30e0\u3092\u4e57\u3063\u53d6\u3089\u308c\u308b\u304a\u305d\u308c\u304c\u3042\u308a\u307e\u3057\u305f\u3002<sup>4<\/sup><\/li>\n\n\n\n<li><strong>Ivanti Connect Secure\u3002<\/strong>2025\u5e74\u521d\u3081\u3001CISA\u306f\u3001\u4f01\u696d\u5411\u3051\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u88fd\u54c1\u3068\u3057\u3066\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b Ivanti Connect Secure\u306b\u304a\u3044\u3066\u3001\u30b9\u30bf\u30c3\u30af\u30d9\u30fc\u30b9\u306e\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3068\u3044\u3046\u91cd\u5927\u306a\u8106\u5f31\u6027\u304c\u5b9f\u969b\u306b\u60aa\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u5831\u544a\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u8106\u5f31\u6027\u306b\u3088\u308a\u3001\u653b\u6483\u8005\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u30c7\u30d0\u30a4\u30b9\u4e0a\u3067\u3001\u9060\u9694\u304b\u3089\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3067\u304d\u307e\u3057\u305f\u3002<sup>5<\/sup><\/li>\n<\/ul>\n\n\n\n<h2 id=\"HowSecurity\" class=\"wp-block-heading\">\u30bc\u30ed\u30c7\u30a4\u653b\u6483\u306e\u691c\u77e5\u3068\u5c01\u3058\u8fbc\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u691c\u77e5\u306f\u56f0\u96e3\u3067\u3059\u304c\u3001\u4e0d\u53ef\u80fd\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u306f\u3001\u65e2\u77e5\u306e\u8105\u5a01\u30b7\u30b0\u30cd\u30c1\u30e3\u3060\u3051\u306b\u983c\u308b\u306e\u3067\u306f\u306a\u304f\u3001<strong>\u901a\u5e38\u3068\u306f\u7570\u306a\u308b\u6d3b\u52d5\u3092\u63a2\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u632f\u308b\u821e\u3044\u30d9\u30fc\u30b9\u691c\u77e5\u3068\u3082\u547c\u3070\u308c\u307e\u3059<\/strong>\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u7570\u5e38\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3001\u30b7\u30b9\u30c6\u30e0\u8a2d\u5b9a\u306e\u5909\u66f4\u3001\u4e0d\u5be9\u306a\u30ed\u30b0\u30a4\u30f3\u8a66\u884c\u3001\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u5229\u7528\u72b6\u6cc1\u306a\u3069\u3092\u76e3\u8996\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d44\u7e54\u304c\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u7591\u3063\u305f\u5834\u5408\u3001\u6700\u521d\u306e\u76ee\u7684\u306f\u901a\u5e38\u3001\u88ab\u5bb3\u306e\u62e1\u5927\u3092\u9632\u3050\u3053\u3068\u3067\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u306f\u3001\u8106\u5f31\u6027\u3092\u7279\u5b9a\u3059\u308b\u9593\u3001\u4e0d\u5be9\u306a\u901a\u4fe1\u3092\u5236\u9650\u3059\u308b\u305f\u3081\u306b\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30b7\u30b9\u30c6\u30e0\u306e\u9694\u96e2\u3084\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30eb\u30fc\u30eb\u5909\u66f4\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u8abf\u67fb\u3067\u3059\u3002\u30ed\u30b0\u3092\u78ba\u8a8d\u3057\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30b7\u30b9\u30c6\u30e0\u3092\u7279\u5b9a\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u653b\u6483\u8005\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u3084\u30a2\u30ab\u30a6\u30f3\u30c8\u60c5\u5831\u304c\u6d41\u51fa\u3057\u3066\u3044\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u90e8\u3067\u653b\u6483\u7bc4\u56f2\u3092\u5e83\u3052\u308b\u30e9\u30c6\u30e9\u30eb\u30e0\u30fc\u30d6\u30e1\u30f3\u30c8\u306e\u5146\u5019\u304c\u306a\u3044\u304b\u3082\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u5143\u304c\u30d1\u30c3\u30c1\u3084\u56de\u907f\u7b56\u3092\u63d0\u4f9b\u3057\u305f\u5834\u5408\u3001\u7d44\u7e54\u306f\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u4f55\u304c\u8d77\u304d\u305f\u306e\u304b\u3092\u632f\u308a\u8fd4\u308a\u3001\u5bfe\u5fdc\u8a08\u753b\u3092\u898b\u76f4\u3059\u3068\u3068\u3082\u306b\u3001<a href=\"https:\/\/www.privateinternetaccess.com\/blog\/what-is-the-purpose-of-the-osi-model\/\">\u540c\u69d8\u306e\u653b\u6483\u3092\u65e9\u671f\u306b\u691c\u77e5\u3067\u304d\u308b\u3088\u3046\u76e3\u8996\u4f53\u5236\u3092\u5f37\u5316\u3057\u307e\u3059<\/a>\u3002<\/p>\n\n\n\n<h2 id=\"PracticalWays\" class=\"wp-block-heading\">\u30bc\u30ed\u30c7\u30a4\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306e\u5177\u4f53\u7b56<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5229\u7528\u3057\u3066\u3044\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u30c7\u30d0\u30a4\u30b9\u3092\u3001\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u3088\u308b\u5f71\u97ff\u304b\u3089\u5b8c\u5168\u306b\u5b88\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u91cd\u8981\u306a\u306e\u306f\u3001\u653b\u6483\u3092\u53d7\u3051\u308b\u30ea\u30b9\u30af\u3092\u3067\u304d\u308b\u3060\u3051\u8efd\u6e1b\u3057\u3001\u4e07\u304c\u4e00\u653b\u6483\u3055\u308c\u3066\u3082\u88ab\u5bb3\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.privateinternetaccess.com\/blog\/wp-content\/uploads\/2026\/07\/JA-How-to-Lower-Zero-Day-Risk-Japanese.png\" alt=\"\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3059\u308b\u305f\u3081\u306e\u5177\u4f53\u7684\u306a\u5bfe\u7b56\uff08\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u66f4\u65b0\u3001\u5f37\u56fa\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3001\u591a\u8981\u7d20\u8a8d\u8a3c\u3001\u5b89\u5168\u306a\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3001\u591a\u5c64\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3001\u516c\u8846Wi-Fi\u5229\u7528\u6642\u306eVPN\u4f7f\u7528\u306a\u3069\uff09\u3092\u793a\u3057\u305f\u56f3\u3002\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u65e5\u9803\u306e\u57fa\u672c\u7684\u306a\u5bfe\u7b56\u304c\u3001\u5927\u304d\u306a\u52b9\u679c\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u5e38\u306b\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3064\u3002<\/strong> OS\u3001\u30d6\u30e9\u30a6\u30b6\u3001\u30a2\u30d7\u30ea\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306e\u81ea\u52d5\u66f4\u65b0\u3092\u6709\u52b9\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u30d1\u30c3\u30c1\u7ba1\u7406\u306f\u3001\u958b\u767a\u5143\u304c\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u516c\u958b\u3057\u305f\u5f8c\u3001\u5229\u7528\u8005\u304c\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u30c7\u30d0\u30a4\u30b9\u3092\u4fdd\u8b77\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u5bfe\u7b56\u306e\u4e00\u3064\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u4fdd\u8b77\u3092\u5f37\u5316\u3059\u308b\u3002<\/strong><a href=\"https:\/\/www.privateinternetaccess.com\/blog\/create-strong-password\/\">\u5f37\u529b\u306a\u30d1\u30b9\u30ef\u30fc\u30c9<\/a>\u3084<a href=\"https:\/\/www.privateinternetaccess.com\/blog\/what-is-two-factor-or-multi-factor-authentication\/\">\u591a\u8981\u7d20\u8a8d\u8a3c\uff08MFA\uff09<\/a>\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u8005\u304c\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u3066\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u88ab\u5bb3\u3092\u6291\u3048\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u653b\u6483\u5bfe\u8c61\u3068\u306a\u308b\u7bc4\u56f2\u3092\u6e1b\u3089\u3059\u3002<\/strong>\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u30a2\u30d7\u30ea\u3084\u30d6\u30e9\u30a6\u30b6\u62e1\u5f35\u6a5f\u80fd\u3092\u524a\u9664\u3057\u3001\u4e0d\u8981\u306a\u63a5\u7d9a\u30c7\u30d0\u30a4\u30b9\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u5916\u3057\u307e\u3057\u3087\u3046\u3002\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u30c4\u30fc\u30eb\u304c\u5c11\u306a\u3044\u307b\u3069\u3001\u6f5c\u5728\u7684\u306a\u5f31\u70b9\u3082\u6e1b\u308a\u307e\u3059<\/li>\n\n\n\n<li><strong>\u4e0d\u5be9\u306a\u30d5\u30a1\u30a4\u30eb\u3084\u30ea\u30f3\u30af\u3001\u8868\u793a\u306b\u6ce8\u610f\u3059\u308b\u3002<\/strong>\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u3001\u60aa\u610f\u306e\u3042\u308b\u30ea\u30f3\u30af\u3084\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3080<a href=\"https:\/\/www.privateinternetaccess.com\/blog\/phishing-scams-how-to-spot-and-avoid-them\/\">\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30c3\u30bb\u30fc\u30b8<\/a>\u3001\u653b\u6483\u8005\u306b\u4fb5\u5bb3\u3055\u308c\u305f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304b\u3089\u306e\u30c9\u30e9\u30a4\u30d6\u30d0\u30a4\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3001\u507d\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u4fc3\u3059\u8868\u793a\u306a\u3069\u3092\u901a\u3058\u3066\u4ed5\u639b\u3051\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u91cd\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3059\u308b\u3002<\/strong>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306f\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u305d\u306e\u3082\u306e\u3092\u9632\u3050\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u3067\u3082\u3001\u653b\u6483\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u304c\u7834\u640d\u30fb\u524a\u9664\u30fb\u6697\u53f7\u5316\u3055\u308c\u305f\u5834\u5408\u306b\u30c7\u30fc\u30bf\u3092\u5fa9\u5143\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u591a\u5c64\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u5c0e\u5165\u3059\u308b\u3002<\/strong>\u901a\u5e38\u3068\u306f\u7570\u306a\u308b\u52d5\u304d\u3092\u76e3\u8996\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u306f\u3001\u65e2\u77e5\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u7279\u5fb4\u30d1\u30bf\u30fc\u30f3\u3068\u4e00\u81f4\u3057\u306a\u3044\u8105\u5a01\u3067\u3042\u3063\u3066\u3082\u3001\u4e0d\u5be9\u306a\u6d3b\u52d5\u3068\u3057\u3066\u691c\u77e5\u3067\u304d\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u7d44\u7e54\u3067\u306f\u3055\u3089\u306b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5206\u5272\u3001\u8106\u5f31\u6027\u30b9\u30ad\u30e3\u30f3\u3001\u4fb5\u5165\u691c\u77e5\u3001\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5bfe\u5fdc\u8a08\u753b\u306a\u3069\u3001\u3088\u308a\u5f37\u56fa\u306a\u9632\u5fa1\u5bfe\u7b56\u3092\u8b1b\u3058\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 id=\"FAQ\" class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1782900988351\"><h3 class=\"schema-faq-question\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3> <p class=\"schema-faq-answer\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3068\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u307e\u305f\u306f\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306b\u5b58\u5728\u3059\u308b<a href=\"#ZeroDayExploits\">\u8106\u5f31\u6027\u3092\u3001\u4fee\u6b63\u30d1\u30c3\u30c1\u304c\u63d0\u4f9b\u3055\u308c\u308b\u524d\u306b\u653b\u6483\u8005\u304c\u60aa\u7528\u3059\u308b\u653b\u6483\u624b\u6cd5<\/a>\u3067\u3059\u3002\u958b\u767a\u5143\u306f\u3001\u305d\u306e\u8106\u5f31\u6027\u306e\u5b58\u5728\u3092\u307e\u3060\u628a\u63e1\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3082\u3042\u308c\u3070\u3001\u4fee\u6b63\u5bfe\u5fdc\u306e\u9014\u4e2d\u3067\u3042\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<br><br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782901003610\"><h3 class=\"schema-faq-question\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u3069\u306e\u3088\u3046\u306b\u884c\u308f\u308c\u307e\u3059\u304b\uff1f<\/h3> <p class=\"schema-faq-answer\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u3001<a href=\"#TheLifecycle\">\u958b\u767a\u5143\u304c\u307e\u3060\u628a\u63e1\u3057\u3066\u3044\u306a\u3044\u3001\u307e\u305f\u306f\u4fee\u6b63\u30d1\u30c3\u30c1\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u306a\u3044\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u307e\u3059<\/a>\u3002\u653b\u6483\u8005\u306f\u3001\u9632\u5fa1\u5074\u304c\u4f55\u3092\u30d6\u30ed\u30c3\u30af\u3059\u3079\u304d\u304b\u6b63\u78ba\u306b\u628a\u63e1\u3059\u308b\u524d\u306b\u3001\u8106\u5f31\u306a\u30a2\u30d7\u30ea\u3001\u30d6\u30e9\u30a6\u30b6\u3001\u30c7\u30d0\u30a4\u30b9\u3001\u30b5\u30fc\u30d0\u30fc\u3001\u307e\u305f\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u516c\u958b\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u3092\u653b\u6483\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u958b\u767a\u5143\u304c\u8106\u5f31\u6027\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u901a\u5e38\u306f\u4fee\u6b63\u30d1\u30c3\u30c1\u3092\u516c\u958b\u3057\u3001\u56de\u907f\u7b56\u3084\u7de9\u548c\u7b56\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<br><br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782901020871\"><h3 class=\"schema-faq-question\">\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027\u3068\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3> <p class=\"schema-faq-answer\"><a href=\"#TheLifecycle\">\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027\u3068\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u6b20\u9665\u305d\u306e\u3082\u306e\u3092\u6307\u3057\u307e\u3059<\/a>\u3002\u4e00\u65b9\u3001\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3068\u306f\u3001\u305d\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u305f\u3081\u306b\u653b\u6483\u8005\u304c\u4f7f\u7528\u3059\u308b\u624b\u6cd5\u3067\u3059\u3002\u305d\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u5b9f\u969b\u306e\u6a19\u7684\u306b\u5bfe\u3057\u3066\u5229\u7528\u3055\u308c\u308b\u3068\u3001\u30bc\u30ed\u30c7\u30a4\u653b\u6483\u3068\u547c\u3070\u308c\u307e\u3059\u3002<br><br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782901038485\"><h3 class=\"schema-faq-question\">\u306a\u305c\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u5371\u967a\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3> <p class=\"schema-faq-answer\"><a href=\"#WhyZeroDay\">\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u304c\u5371\u967a\u306a\u306e\u306f<\/a>\u3001\u8106\u5f31\u6027\u306e\u5b58\u5728\u304c\u8a8d\u8b58\u3055\u308c\u308b\u524d\u306b\u653b\u6483\u304c\u884c\u308f\u308c\u308b\u305f\u3081\u3067\u3059\u3002\u307e\u305f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u304c\u65e2\u77e5\u306e\u8105\u5a01\u30b7\u30b0\u30cd\u30c1\u30e3\u3060\u3051\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u5229\u7528\u3057\u305f\u4e0d\u5be9\u306a\u6d3b\u52d5\u3092\u691c\u77e5\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u5229\u7528\u8005\u3001\u958b\u767a\u5143\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u304c\u5bfe\u5fdc\u3059\u308b\u307e\u3067\u306e\u9593\u3001\u653b\u6483\u8005\u306b\u8106\u5f31\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u72d9\u3046\u6a5f\u4f1a\u3092\u4e0e\u3048\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br><br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782901054357\"><h3 class=\"schema-faq-question\">\u7d44\u7e54\u306f\u3069\u306e\u3088\u3046\u306b\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u691c\u77e5\u3057\u3001\u5bfe\u5fdc\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3> <p class=\"schema-faq-answer\">\u7d44\u7e54\u306f\u3001\u65e2\u77e5\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u7279\u5fb4\u30d1\u30bf\u30fc\u30f3\u3060\u3051\u306b\u4f9d\u5b58\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001<a href=\"#HowSecurity\">\u901a\u5e38\u3068\u306f\u7570\u306a\u308b\u52d5\u304d\u3092\u76e3\u8996\u3059\u308b<\/a>\u3053\u3068\u3067\u3001\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u691c\u77e5\u3057\u307e\u3059\u3002\u5146\u5019\u3068\u3057\u3066\u306f\u3001\u7570\u5e38\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5909\u66f4\u3001\u4e0d\u5be9\u306a\u30ed\u30b0\u30a4\u30f3\u3001\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002\u901a\u5e38\u306f\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30b7\u30b9\u30c6\u30e0\u306e\u9694\u96e2\u3084\u8abf\u67fb\u3001\u4e00\u6642\u7684\u306a\u5bfe\u7b56\u306e\u5b9f\u65bd\u3001\u305d\u3057\u3066\u4fee\u6b63\u30d1\u30c3\u30c1\u304c\u516c\u958b\u3055\u308c\u305f\u5f8c\u306e\u65e9\u6025\u306a\u9069\u7528\u3068\u3044\u3063\u305f\u5bfe\u5fdc\u304c\u884c\u308f\u308c\u307e\u3059\u3002<br><br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782901070506\"><h3 class=\"schema-faq-question\">VPN\u3092\u5229\u7528\u3059\u308b\u3068\u3001\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u3088\u308b\u4e00\u90e8\u306e\u653b\u6483\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3> <p class=\"schema-faq-answer\">VPN\u306f\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u305d\u306e\u3082\u306e\u3092\u9632\u3050\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u901a\u4fe1\u3092\u6697\u53f7\u5316\u3057\u3001\u516c\u5171Wi-Fi\u306a\u3069\u3067\u653b\u6483\u8005\u306b\u901a\u4fe1\u5185\u5bb9\u3092\u508d\u53d7\u3055\u308c\u308b\u30ea\u30b9\u30af\u3092\u6291\u3048\u308b\u3053\u3068\u3067\u3001<a href=\"https:\/\/www.privateinternetaccess.com\/ja\/what-is-vpn\">\u4e00\u90e8\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059<\/a>\u3002<br><br><\/p> <\/div> <\/div>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px\"><strong>\u53c2\u8003\u60c5\u5831\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"https:\/\/cloud.google.com\/blog\/topics\/threat-intelligence\/m-trends-2025\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">M-Trends 2025: Data, Insights, and Recommendations From the Frontlines \u2013 Google Cloud\u00a0<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cloud.google.com\/blog\/topics\/threat-intelligence\/2024-zero-day-trends\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Hello 0-Days, My Old Friend: A 2024 Zero-Day Exploitation Analysis \u2013 Google Cloud<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.cisa.gov\/news-events\/cybersecurity-advisories\/aa21-356a\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Mitigating Log4Shell and Other Log4j-Related Vulnerabilities \u2013 CISA<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/cve-2024-0519\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">CVE-2024-0519 Detail \u2013 NIST<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.cisa.gov\/news-events\/alerts\/2025\/01\/08\/ivanti-releases-security-updates-connect-secure-policy-secure-and-zta-gateways\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Ivanti Releases Security Updates for Connect Secure, Policy Secure, and ZTA Gateways \u2013 CISA<\/a><\/li>\n<\/ol>\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u3001\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u63d0\u4f9b\u3055\u308c\u308b\u524d\u306b\u653b\u6483\u304c\u59cb\u307e\u308b\u305f\u3081\u3001\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u306e\u4e2d\u3067\u3082\u7279\u306b\u9632\u304e\u306b\u304f\u3044\u3082\u306e\u306e\u3072\u3068\u3064\u3067\u3059\u3002\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u8005\u304c\u307e\u3060\u8106\u5f31\u6027\u306b\u6c17\u3065\u3044\u3066\u3044\u306a\u3044\u5834\u5408\u3084\u3001\u30d1\u30c3\u30c1\u3092\u958b\u767a\u3057\u3066\u3044\u308b\u6700\u4e2d\u306b\u653b\u6483\u8005\u304c\u3059\u3067\u306b &hellip; <a href=\"https:\/\/www.privateinternetaccess.com\/ja\/blog\/zero-day-exploit\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3068\u306f\uff1f\u5f71\u97ff\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac&#8221;<\/span><\/a><\/p>\n","protected":false},"author":111,"featured_media":39611,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_stopmodifiedupdate":false,"_modified_date":"","footnotes":""},"categories":[3065],"tags":[],"class_list":["post-39612","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3065"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v26.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u3068\u30ea\u30b9\u30af\u8efd\u6e1b\u65b9\u6cd5\u3092\u89e3\u8aac | PIA<\/title>\n<meta name=\"description\" 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content=\"\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3068\u306f\uff1f\u5f71\u97ff\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\" \/>\n<meta property=\"og:description\" content=\"\u30bc\u30ed\u30c7\u30a4\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306f\u3001\u4fee\u6b63\u30d1\u30c3\u30c1\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u306a\u3044\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u305f\u3081\u306e\u624b\u6cd5\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30bc\u30ed\u30c7\u30a4\u653b\u6483\u306e\u4ed5\u7d44\u307f\u3084\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u65b9\u6cd5\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.privateinternetaccess.com\/ja\/blog\/zero-day-exploit\/\" \/>\n<meta property=\"og:site_name\" content=\"PIA\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/privateinternetaccess\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-01T10:38:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-22T11:25:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.privateinternetaccess.com\/blog\/wp-content\/uploads\/2026\/07\/featured-image-Zero-Day-Exploit-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2400\" \/>\n\t<meta property=\"og:image:height\" content=\"1600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Shauli Zacks\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@buyvpnservice\" \/>\n<meta name=\"twitter:site\" content=\"@buyvpnservice\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Shauli Zacks\" \/>\n\t<meta name=\"twitter:label2\" 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