{"id":14781,"date":"2026-04-16T10:27:37","date_gmt":"2026-04-16T01:27:37","guid":{"rendered":"https:\/\/taskhub.jp\/magazine\/?p=14781"},"modified":"2026-04-16T10:29:13","modified_gmt":"2026-04-16T01:29:13","slug":"gpt-5-4-cyber%e3%81%a8%e3%81%af%ef%bc%9fchatgpt-5-4%e3%81%a8%e3%81%ae%e9%81%95%e3%81%84%e3%83%bb%e4%bd%bf%e3%81%84%e6%96%b9%e3%83%bbanthropic-mythos%e3%81%a8%e6%af%94%e8%bc%83%e3%81%97%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/taskhub.jp\/magazine\/news\/14781\/","title":{"rendered":"GPT-5.4-Cyber\u3068\u306f\uff1fGPT-5.4\u3068\u306e\u9055\u3044\u30fb\u4f7f\u3044\u65b9\u30fbAnthropic Mythos\u3068\u6bd4\u8f03\u3057\u89e3\u8aac"},"content":{"rendered":"<p>2026\u5e744\u670814\u65e5\u3001OpenAI\u306f\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u7528AI\u30e2\u30c7\u30eb\u300cGPT-5.4-Cyber\u300d\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002\u540c\u793e\u306e\u6700\u65b0\u30e2\u30c7\u30ebGPT-5.4\u3092\u30d9\u30fc\u30b9\u306b\u3001\u9632\u885b\u76ee\u7684\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u696d\u52d9\u306b\u7279\u5316\u3057\u3066\u30d5\u30a1\u30a4\u30f3\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3057\u305f\u30e2\u30c7\u30eb\u3067\u3001\u8eab\u5143\u78ba\u8a8d\u6e08\u307f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u306b\u6bb5\u968e\u7684\u306b\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u767a\u8868\u306f\u3001Anthropic\u304c\u7d0440\u306e\u53b3\u9078\u7d44\u7e54\u306b\u306e\u307fClaude Mythos Preview\u3092\u63d0\u4f9b\u3059\u308b\u3068\u767a\u8868\u3057\u305f1\u9031\u9593\u5f8c\u306b\u884c\u308f\u308c\u305f\u3082\u306e\u3067\u3001AI\u3068\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u3081\u3050\u308bOpenAI\u3068Anthropic\u306e\u6226\u7565\u306e\u9055\u3044\u304c\u9bae\u660e\u306b\u8868\u308c\u305f\u5f62\u3067\u3059\u3002<\/p>\n<h2>GPT-5.4-Cyber\u3068\u306f<\/h2>\n<p>GPT-5.4-Cyber\u306f\u3001OpenAI\u306e\u6700\u65b0\u30d5\u30ed\u30f3\u30c6\u30a3\u30a2\u30e2\u30c7\u30eb\u300cGPT-5.4\u300d\u3092\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u9632\u885b\u696d\u52d9\u5411\u3051\u306b\u7279\u5316\u3055\u305b\u305f\u6d3e\u751f\u30e2\u30c7\u30eb\u3067\u3059\u3002<\/p>\n<p>\u901a\u5e38\u306eGPT-5.4\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u30ea\u30b9\u30af\u3092\u8003\u616e\u3057\u3066\u3001\u8106\u5f31\u6027\u306e\u5206\u6790\u3084\u60aa\u7528\u53ef\u80fd\u306a\u653b\u6483\u624b\u6cd5\u306b\u95a2\u308f\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u306f\u56de\u7b54\u3092\u5236\u9650\u3059\u308b\u8a2d\u8a08\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002GPT-5.4-Cyber\u306f\u3053\u306e\u5236\u9650\u306e\u95be\u5024\u3092\u3001\u8eab\u5143\u78ba\u8a8d\u6e08\u307f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u306b\u9650\u5b9a\u3057\u305f\u3046\u3048\u3067\u610f\u56f3\u7684\u306b\u5f15\u304d\u4e0b\u3052\u305f\u30e2\u30c7\u30eb\u3067\u3059\u3002<\/p>\n<p>\u6b63\u898f\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u696d\u52d9\u306b\u304a\u3044\u3066\u300c\u4e00\u822c\u30e6\u30fc\u30b6\u30fc\u5411\u3051\u306b\u306f\u9069\u5207\u306a\u5236\u9650\u3067\u3082\u3001\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u696d\u52d9\u306e\u62c5\u5f53\u8005\u306b\u3068\u3063\u3066\u306f\u696d\u52d9\u306e\u59a8\u3052\u306b\u306a\u308b\u300d\u3068\u3044\u3046\u554f\u984c\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059<\/p>\n<p>OpenAI\u81ea\u8eab\u306ePreparedness Framework\uff08\u958b\u767a\u4e2dAI\u306e\u80fd\u529b\u8a55\u4fa1\u57fa\u6e96\uff09\u3067\u306f\u3001\u6a19\u6e96\u306eGPT-5.4\u306f\u30b5\u30a4\u30d0\u30fc\u80fd\u529b\u306b\u304a\u3044\u3066\u300cHigh\uff08\u9ad8\uff09\u300d\u306b\u5206\u985e\u3055\u308c\u3066\u3044\u307e\u3059\u3002GPT-5.4-Cyber\u306f\u305d\u3053\u304b\u3089\u3055\u3089\u306b\u8e0f\u307f\u8fbc\u3093\u3060\u8a2d\u8a08\u3067\u3042\u308a\u3001\u9632\u885b\u7528\u9014\u306b\u9650\u3063\u305f\u9ad8\u5ea6\u306a\u80fd\u529b\u304c\u6709\u52b9\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\">\u4e00\u822c\u5411\u3051\u306e\u300cGPT-5.4\u300d\u3068\u306e\u9055\u3044<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">GPT-5.4\u3068GPT-5.4-Cyber\u306f\u540d\u79f0\u304c\u8fd1\u3044\u305f\u3081\u6df7\u540c\u3055\u308c\u3084\u3059\u3044\u3067\u3059\u304c\u3001\u63d0\u4f9b\u7d4c\u8def\u3082\u5bfe\u8c61\u30e6\u30fc\u30b6\u30fc\u3082\u7570\u306a\u308a\u307e\u3059\u3002ChatGPT Plus\u3084Pro\u30d7\u30e9\u30f3\u3092\u5951\u7d04\u3057\u3066\u3044\u3066\u3082\u3001\u305d\u306e\u307e\u307eGPT-5.4-Cyber\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>TAC\u30d7\u30ed\u30b0\u30e9\u30e0\u81ea\u4f53\u306f2026\u5e742\u67085\u65e5\u306b\u5148\u884c\u3057\u3066\u7acb\u3061\u4e0a\u304c\u3063\u3066\u304a\u308a\u3001\u4eca\u56de\u306e4\u670814\u65e5\u306e\u767a\u8868\u3067GPT-5.4-Cyber\u304c\u30e2\u30c7\u30eb\u3068\u3057\u3066\u8ffd\u52a0\u3055\u308c\u305f\u5f62\u3067\u3059\u3002GPT-5.4-Cyber\u306f\u305d\u306e\u6700\u4e0a\u4f4d\u306b\u4f4d\u7f6e\u3059\u308b\u30e2\u30c7\u30eb\u3067\u3001TAC\u53c2\u52a0\u8005\u306e\u4e2d\u3067\u3082\u9650\u3089\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3057\u304b\u73fe\u6642\u70b9\u3067\u306f\u4f7f\u7528\u3067\u304d\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3067\u3059\u3002<\/p>\n<div class=\"overflow-x-auto w-full px-2 mb-6\">\n<table class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\">\n<thead class=\"text-left\">\n<tr>\n<th class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\" scope=\"col\">\u9805\u76ee<\/th>\n<th class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\" scope=\"col\">GPT-5.4<\/th>\n<th class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\" scope=\"col\">GPT-5.4-Cyber<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">\u767a\u8868\u65e5<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">2026\u5e743\u67085\u65e5<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">2026\u5e744\u670814\u65e5<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">\u4e3b\u306a\u5bfe\u8c61<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">\u4e00\u822c\u30e6\u30fc\u30b6\u30fc\u30fb\u958b\u767a\u8005\u30fb\u4f01\u696d<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">\u8eab\u5143\u78ba\u8a8d\u6e08\u307f\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">\u63d0\u4f9b\u7d4c\u8def<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">ChatGPT\u30fbAPI\u30fbCodex\u306e\u4e00\u822c\u30e9\u30a4\u30f3\u304b\u3089\u5229\u7528\u53ef\u80fd<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">Trusted Access for Cyber\uff08TAC\uff09\u306e\u4e0a\u4f4d\u30c6\u30a3\u30a2\u306e\u307f<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">\u30a2\u30af\u30bb\u30b9\u6761\u4ef6<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">\u30d7\u30e9\u30f3\u3078\u306e\u52a0\u5165<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">\u672c\u4eba\u78ba\u8a8d\u30fb\u7d44\u7e54\u78ba\u8a8d\u30fbTAC\u306e\u4e0a\u4f4d\u30c6\u30a3\u30a2\u627f\u8a8d<\/td>\n<\/tr>\n<tr>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">\u5236\u9650\u306e\u8a2d\u5b9a<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">\u6a19\u6e96\u7684\u306a\u30bb\u30fc\u30d5\u30ac\u30fc\u30c9\u4ed8\u304d<\/td>\n<td class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\">\u9632\u5fa1\u696d\u52d9\u5411\u3051\u306b\u5236\u9650\u3092\u610f\u56f3\u7684\u306b\u5f15\u304d\u4e0b\u3052\u305f\u69cb\u6210<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>GPT-5.4-Cyber\u306e\u4e3b\u306a3\u3064\u306e\u7279\u5fb4<\/h2>\n<h3>\u2460\u30d0\u30a4\u30ca\u30ea\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3078\u306e\u5bfe\u5fdc<\/h3>\n<p>GPT-5.4-Cyber\u306e\u6700\u5927\u306e\u65b0\u6a5f\u80fd\u304c\u30d0\u30a4\u30ca\u30ea\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3078\u306e\u5bfe\u5fdc\u3067\u3059\u3002<\/p>\n<p>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u901a\u5e38\u3001\u4eba\u9593\u304c\u66f8\u3044\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u5b9f\u884c\u3067\u304d\u308b\u5f62\u5f0f\uff08\u30d0\u30a4\u30ca\u30ea\u30d5\u30a1\u30a4\u30eb\uff09\u306b\u5909\u63db\u3057\u3066\u914d\u5e03\u3055\u308c\u307e\u3059\u3002<br \/>\n\u30de\u30eb\u30a6\u30a7\u30a2\u3084\u602a\u3057\u3044\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u8abf\u67fb\u3059\u308b\u969b\u3001\u591a\u304f\u306e\u5834\u5408\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306f\u5165\u624b\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7814\u7a76\u8005\u306f\u30d0\u30a4\u30ca\u30ea\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u76f4\u63a5\u52d5\u4f5c\u306e\u4ed5\u7d44\u307f\u3092\u89e3\u6790\u3059\u308b\u300c\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u300d\u3068\u3044\u3046\u624b\u6cd5\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u307e\u3067\u3053\u306e\u4f5c\u696d\u306f\u9ad8\u5ea6\u306a\u5c02\u9580\u77e5\u8b58\u3092\u6301\u3064\u30a2\u30ca\u30ea\u30b9\u30c8\u306e\u307f\u304c\u62c5\u3048\u308b\u9818\u57df\u3067\u3057\u305f\u3002GPT-5.4-Cyber\u306f\u30d0\u30a4\u30ca\u30ea\u30d5\u30a1\u30a4\u30eb\u3092\u76f4\u63a5\u5165\u529b\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u53ef\u80fd\u6027\u30fb\u8106\u5f31\u6027\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u554f\u984c\u70b9\u3092\u69cb\u9020\u7684\u306b\u5206\u6790\u3057\u3066\u8fd4\u305b\u308b\u305f\u3081\u3001\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306a\u3057\u306b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u5185\u90e8\u3092\u8abf\u3079\u308b\u4f5c\u696d\u3092\u5927\u5e45\u306b\u52b9\u7387\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<p style=\"text-align: right;\">\u53c2\u8003\uff1a<a href=\"https:\/\/www.helpnetsecurity.com\/2026\/04\/15\/openai-gpt-5-4-cyber\/\">Help Net Security<\/a><\/p>\n<h3>\u2461\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u696d\u52d9\u5411\u3051\u306e\u5236\u9650\u7de9\u548c<\/h3>\n<p>\u8106\u5f31\u6027\u8abf\u67fb\u30fb\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\uff08\u653b\u6483\u30b3\u30fc\u30c9\uff09\u5206\u6790\u30fb\u30de\u30eb\u30a6\u30a7\u30a2\u89e3\u6790\u3068\u3044\u3063\u305f\u3001\u901a\u5e38\u306e\u30e2\u30c7\u30eb\u3067\u306f\u56de\u7b54\u304c\u5236\u9650\u3055\u308c\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u3001GPT-5.4-Cyber\u306f\u8eab\u5143\u78ba\u8a8d\u6e08\u307f\u30e6\u30fc\u30b6\u30fc\u5411\u3051\u306b\u5fdc\u7b54\u3092\u8fd4\u305b\u308b\u3088\u3046\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30ca\u30ea\u30b9\u30c8\u3084\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30bf\u30fc\uff08\u64ec\u4f3c\u7684\u306a\u4fb5\u5165\u30c6\u30b9\u30c8\u3092\u884c\u3046\u5c02\u9580\u5bb6\uff09\u304c\u3001AI\u306b\u305f\u3073\u305f\u3073\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u3053\u3068\u306a\u304f\u696d\u52d9\u30d5\u30ed\u30fc\u3092\u69cb\u7bc9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u2462\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578b\u52d5\u4f5c\u306b\u3088\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bf\u30b9\u30af\u306e\u81ea\u52d5\u5316<\/h3>\n<p>GPT-5.4-Cyber\u306f\u8907\u6570\u30b9\u30c6\u30c3\u30d7\u306b\u308f\u305f\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bf\u30b9\u30af\u3092\u81ea\u5f8b\u7684\u306b\u51e6\u7406\u3059\u308b\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578b\u306e\u52d5\u4f5c\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u306e\u7d99\u7d9a\u7684\u306a\u76e3\u8996\u30fb\u554f\u984c\u306e\u81ea\u52d5\u691c\u8a3c\u30fb\u4fee\u6b63\u30d1\u30c3\u30c1\u306e\u63d0\u6848\u3068\u3044\u3063\u305f\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u81ea\u52d5\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>OpenAI\u306f\u3053\u306e\u6a5f\u80fd\u306e\u5b9f\u7e3e\u3068\u3057\u3066\u3001Codex Security\u304c\u30ea\u30ea\u30fc\u30b9\u4ee5\u67653,000\u4ef6\u4ee5\u4e0a\u306e\u91cd\u5927\u30fb\u9ad8\u30ea\u30b9\u30af\u306e\u8106\u5f31\u6027\u4fee\u6b63\u306b\u8ca2\u732e\u3057\u3066\u3044\u308b\u3068\u5831\u544a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p style=\"text-align: right;\">\u53c2\u8003\uff1a<a href=\"https:\/\/www.helpnetsecurity.com\/2026\/04\/15\/openai-gpt-5-4-cyber\/\">Help Net Security<\/a><\/p>\n<h2>GPT-5.4-Cyber\u3078\u306e\u30a2\u30af\u30bb\u30b9\u65b9\u6cd5<\/h2>\n<p>GPT-5.4-Cyber\u306f\u8ab0\u3067\u3082\u4f7f\u3048\u308b\u30e2\u30c7\u30eb\u3067\u306f\u306a\u304f\u3001OpenAI\u304c2026\u5e742\u6708\u306b\u7acb\u3061\u4e0a\u3052\u305f\u300cTrusted Access for Cyber\uff08TAC\uff09\u300d\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u901a\u3058\u3066\u3001\u8eab\u5143\u78ba\u8a8d\u3092\u7d4c\u305f\u30e6\u30fc\u30b6\u30fc\u306e\u307f\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-14782\" src=\"https:\/\/taskhub.jp\/magazine\/wp-content\/themes\/the-thor\/img\/dummy.gif\" data-layzr=\"https:\/\/taskhub.jp\/magazine\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-16-9.07.14.png\" alt=\"\" width=\"1570\" height=\"972\" \/><\/p>\n<p style=\"text-align: right;\">\u5f15\u7528\uff1a<a href=\"https:\/\/chatgpt.com\/cyber\">OpenAI<\/a><\/p>\n<h3>TAC\u306e\u4ed5\u7d44\u307f\u3068\u968e\u5c64\u69cb\u9020<\/h3>\n<p>TAC\u306f\u8eab\u5143\u78ba\u8a8d\u306e\u30ec\u30d9\u30eb\u306b\u5fdc\u3058\u305f\u8907\u6570\u306e\u5229\u7528Tier\uff08\u968e\u5c64\uff09\u3067\u69cb\u6210\u3055\u308c\u3066\u304a\u308a\u3001\u4e0a\u4f4d\u306e\u968e\u5c64\u307b\u3069\u5f37\u529b\u306a\u30e2\u30c7\u30eb\u3068\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u89e3\u653e\u3055\u308c\u307e\u3059\u3002GPT-5.4-Cyber\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u8a8d\u3081\u3089\u308c\u308b\u306e\u306f\u6700\u4e0a\u4f4d\u30c6\u30a3\u30a2\u306e\u8a8d\u8a3c\u3092\u53d7\u3051\u305f\u30e6\u30fc\u30b6\u30fc\u306b\u9650\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u62e1\u5f35\u306b\u3088\u308a\u3001TAC\u306e\u5bfe\u8c61\u898f\u6a21\u306f\u6570\u5343\u4eba\u306e\u500b\u4eba\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u9580\u5bb6\u3068\u3001\u91cd\u8981\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a4\u30f3\u30d5\u30e9\u3092\u62c5\u5f53\u3059\u308b\u6570\u767e\u306e\u30c1\u30fc\u30e0\u306b\u5e83\u304c\u308a\u307e\u3057\u305f\u30022\u6708\u306e\u521d\u671f\u7acb\u3061\u4e0a\u3052\u6642\u306e\u9650\u5b9a\u7684\u306a\u30d1\u30a4\u30ed\u30c3\u30c8\u898f\u6a21\u304b\u3089\u5927\u5e45\u306b\u62e1\u5927\u3055\u308c\u305f\u5f62\u3067\u3059\u3002<\/p>\n<p><strong>\u500b\u4eba\u30e6\u30fc\u30b6\u30fc\u3067\u306e\u7533\u3057\u8fbc\u307f\u306e\u5834\u5408<\/strong>\uff1a<a href=\"http:\/\/chatgpt.com\/cyber\">\u500b\u4eba\u7533\u8acb\u7528\u306e\u30d5\u30a9\u30fc\u30e0<\/a>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u672c\u4eba\u78ba\u8a8d\u3092\u884c\u3044\u3001TAC\u30d7\u30ed\u30b0\u30e9\u30e0\u3078\u306e\u53c2\u52a0\u7533\u8acb\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u4f01\u696d\u30fb\u30c1\u30fc\u30e0\u3067\u306e\u7533\u3057\u8fbc\u307f\u306e\u5834\u5408<\/strong>\uff1a<a href=\"https:\/\/openai.com\/ja-JP\/form\/enterprise-trusted-access-for-cyber\/\">\u7533\u8acb\u30d5\u30a9\u30fc\u30e0<\/a>\u304b\u3089OpenAI\u3078\u30b3\u30f3\u30bf\u30af\u30c8\u3092\u53d6\u308a\u3001OpenAI\u306e\u62c5\u5f53\u8005\u3092\u901a\u3058\u3066\u30a2\u30af\u30bb\u30b9\u7533\u8acb\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p style=\"text-align: right;\">\u53c2\u8003\uff1a<a href=\"https:\/\/openai.com\/index\/scaling-trusted-access-for-cyber-defense\/\">OpenAI<\/a><\/p>\n<h3>GPT-5.4-Cyber\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">OpenAI\u304c\u516c\u5f0f\u306b\u660e\u793a\u3057\u3066\u3044\u308b\u5bfe\u5fdc\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306f\u4ee5\u4e0b\u306e4\u3064\u3067\u3059\u3002<\/p>\n<ul class=\"[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\">\n<li class=\"whitespace-normal break-words pl-2\"><strong>\u8106\u5f31\u6027\u8abf\u67fb<\/strong>\uff1a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u30a4\u30f3\u30d5\u30e9\u306e\u5f31\u70b9\u3092\u4f53\u7cfb\u7684\u306b\u63a2\u7d22\u30fb\u5206\u6790\u3059\u308b<\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u5206\u6790<\/strong>\uff1a\u65e2\u77e5\u30fb\u672a\u77e5\u306e\u653b\u6483\u30b3\u30fc\u30c9\u306e\u4ed5\u7d44\u307f\u3084\u5f71\u97ff\u7bc4\u56f2\u3092\u8abf\u3079\u308b<\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>\u30de\u30eb\u30a6\u30a7\u30a2\u89e3\u6790<\/strong>\uff1a\u60aa\u610f\u3042\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u52d5\u4f5c\u30fb\u76ee\u7684\u30fb\u611f\u67d3\u7d4c\u8def\u3092\u7279\u5b9a\u3059\u308b<\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u81ea\u52d5\u5316<\/strong>\uff1a\u8907\u6570\u30b9\u30c6\u30c3\u30d7\u306b\u308f\u305f\u308b\u76e3\u8996\u30fb\u691c\u8a3c\u30fb\u4fee\u6b63\u3092\u81ea\u5f8b\u7684\u306b\u51e6\u7406\u3059\u308b<\/li>\n<\/ul>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">\u3044\u305a\u308c\u3082\u300c\u901a\u5e38\u30e2\u30c7\u30eb\u3067\u306f\u56de\u7b54\u306e\u5236\u9650\u304c\u304b\u304b\u308a\u3084\u3059\u3044\u300d\u9818\u57df\u3067\u3042\u308a\u3001TAC\u306e\u8eab\u5143\u78ba\u8a8d\u3092\u7d4c\u305f\u30e6\u30fc\u30b6\u30fc\u306b\u9650\u3063\u3066\u89e3\u653e\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>GPT-5.4-Cyber\u306e\u6599\u91d1\u306f\u73fe\u5728\u975e\u516c\u958b<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">GPT-5.4-Cyber\u306e\u6599\u91d1\u4f53\u7cfb\u306f\u30012026\u5e744\u670815\u65e5\u6642\u70b9\u3067<strong>OpenAI\u304b\u3089\u516c\u5f0f\u306b\u767a\u8868\u3055\u308c\u3066\u3044\u307e\u305b\u3093<\/strong>\u3002<br \/>\nTAC\u30d7\u30ed\u30b0\u30e9\u30e0\u3078\u306e\u53c2\u52a0\u3084\u4e0a\u4f4d\u30c6\u30a3\u30a2\u306e\u30a2\u30af\u30bb\u30b9\u306b\u304b\u304b\u308b\u30b3\u30b9\u30c8\u306e\u8a73\u7d30\u306f\u73fe\u6642\u70b9\u3067\u306f\u4e0d\u660e\u3067\u3001\u500b\u4eba\u30e6\u30fc\u30b6\u30fc\u306fchatgpt.com\/cyber\u3001\u6cd5\u4eba\u306fOpenAI\u62c5\u5f53\u8005\u3078\u306e\u554f\u3044\u5408\u308f\u305b\u3092\u901a\u3058\u3066\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\">GPT-5.4-Cyber\u3067\u3067\u304d\u306a\u3044\u3053\u3068\u30fb\u5236\u9650\u4e8b\u9805<\/h3>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">\u5236\u9650\u7de9\u548c\u304c\u3055\u308c\u3066\u3044\u308b\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u3042\u3089\u3086\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u95a2\u9023\u306e\u884c\u70ba\u304c\u8a31\u5bb9\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002OpenAI\u304c\u660e\u793a\u3057\u3066\u3044\u308b\u901a\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u884c\u70ba\u306fGPT-5.4-Cyber\u3067\u3082\u5bfe\u8c61\u5916\u3067\u3059\u3002<\/p>\n<ul class=\"[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\">\n<li class=\"whitespace-normal break-words pl-2\"><strong>\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4f5c\u6210\u30fb\u914d\u5e03<\/strong>\uff1a\u9632\u885b\u76ee\u7684\u3067\u306f\u306a\u304f\u653b\u6483\u306b\u4f7f\u3046\u30b3\u30fc\u30c9\u306e\u751f\u6210\u306f\u5bfe\u8c61\u5916<\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>\u7121\u65ad\u306e\u4fb5\u5165\u30c6\u30b9\u30c8<\/strong>\uff1a\u5bfe\u8c61\u30b7\u30b9\u30c6\u30e0\u306e\u6240\u6709\u8005\u304b\u3089\u8a31\u53ef\u3092\u5f97\u3066\u3044\u306a\u3044\u4fb5\u5165\u30c6\u30b9\u30c8\uff08\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\uff09\u3078\u306e\u5229\u7528<\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>\u30c7\u30fc\u30bf\u7a83\u53d6\u306e\u652f\u63f4<\/strong>\uff1a\u4ed6\u8005\u306e\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u30c7\u30fc\u30bf\u3092\u4e0d\u6b63\u306b\u53d6\u5f97\u3059\u308b\u884c\u70ba\u306e\u652f\u63f4<\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3078\u306e\u8ee2\u7528<\/strong>\uff1aTAC\u3067\u4e0e\u3048\u3089\u308c\u305f\u9ad8\u5ea6\u306a\u80fd\u529b\u3092\u9632\u885b\u4ee5\u5916\u306e\u76ee\u7684\u306b\u4f7f\u3046\u3053\u3068<\/li>\n<\/ul>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">\u307e\u305f\u3001\u30e2\u30c7\u30eb\u60aa\u7528\u9632\u6b62\u306e\u89b3\u70b9\u304b\u3089\u3001\u3044\u304f\u3064\u304b\u306e\u5236\u9650\u3082\u8a2d\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306e\u900f\u660e\u6027\u304c\u78ba\u4fdd\u3055\u308c\u306a\u3044\u74b0\u5883\uff08\u30bc\u30ed\u30c7\u30fc\u30bf\u30ea\u30c6\u30f3\u30b7\u30e7\u30f3\u74b0\u5883\u306a\u3069\uff09\u3067\u306e\u5229\u7528\u306f\u5236\u9650\u3055\u308c\u307e\u3059\u3002<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">\u307e\u305f\u3001OpenAI\u304c\u76f4\u63a5\u5229\u7528\u74b0\u5883\u3084\u76ee\u7684\u3092\u628a\u63e1\u3057\u306b\u304f\u3044\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u7d4c\u7531\u306e\u30a2\u30af\u30bb\u30b9\u306b\u306f\u8ffd\u52a0\u306e\u5236\u9650\u304c\u8a2d\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2>Anthropic\u306e\u300cClaude Mythos\u300d\u300cProject Glasswing\u300d\u3068\u306e\u9055\u3044<\/h2>\n<p>GPT-5.4-Cyber\u306e\u767a\u8868\u306f\u3001Anthropic\u304cClaude Mythos Preview\u3068Project Glasswing\u3092\u767a\u8868\u3057\u305f1\u9031\u9593\u5f8c\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u884c\u308f\u308c\u307e\u3057\u305f\u3002\u4e21\u8005\u306f\u3068\u3082\u306b\u300cAI\u3092\u30b5\u30a4\u30d0\u30fc\u9632\u885b\u306b\u6d3b\u7528\u3059\u308b\u300d\u3068\u3044\u3046\u65b9\u5411\u6027\u3067\u4e00\u81f4\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>Claude Mythos\u3068\u306f<\/h3>\n<p>Claude Mythos\u306f\u3001Anthropic\u304c2026\u5e744\u67087\u65e5\u306b\u767a\u8868\u3057\u305f\u540c\u793e\u53f2\u4e0a\u6700\u9ad8\u6027\u80fd\u306eAI\u30e2\u30c7\u30eb\u3067\u3059\u3002\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30fb\u8ad6\u7406\u63a8\u8ad6\u30fb\u81ea\u5f8b\u7684\u306a\u30bf\u30b9\u30af\u5b9f\u884c\u306b\u512a\u308c\u305f\u6c4e\u7528\u30e2\u30c7\u30eb\u3068\u3057\u3066\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u305d\u306e\u80fd\u529b\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5206\u91ce\u3067\u60f3\u5b9a\u5916\u306e\u30ec\u30d9\u30eb\u306e\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>Anthropic\u306e\u5185\u90e8\u30c6\u30b9\u30c8\u3067\u306f\u3001Mythos\u304cWindows\u3084macOS\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u4e3b\u8981\u306a\u3059\u3079\u3066\u306eOS\u3068\u3001Chrome\u3084Safari\u306a\u3069\u3059\u3079\u3066\u306e\u4e3b\u8981\u30d6\u30e9\u30a6\u30b6\u3067\u3001\u3053\u308c\u307e\u3067\u8ab0\u3082\u77e5\u3089\u306a\u304b\u3063\u305f\u8106\u5f31\u6027\uff08\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027\uff09\u3092\u81ea\u5f8b\u7684\u306b\u767a\u898b\u30fb\u60aa\u7528\u3067\u304d\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002OpenBSD\u306b27\u5e74\u9593\u5b58\u5728\u3057\u3066\u3044\u305f\u672a\u767a\u898b\u306e\u30d0\u30b0\u3092\u767a\u898b\u3057\u305f\u307b\u304b\u3001FreeBSD\u306eNFS\u30b5\u30fc\u30d0\u30fc\u306b17\u5e74\u9593\u6f5c\u3093\u3067\u3044\u305f\u8106\u5f31\u6027\u3092\u767a\u898b\u30fb\u60aa\u7528\u3059\u308b\u30b3\u30fc\u30c9\u307e\u3067\u81ea\u5f8b\u7684\u306b\u66f8\u304d\u4e0a\u3052\u308b\u306a\u3069\u3001\u524d\u4e16\u4ee3\u30e2\u30c7\u30eb\u3068\u306f\u8cea\u7684\u306b\u7570\u306a\u308b\u80fd\u529b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u3046\u3057\u305f\u80fd\u529b\u304c\u653b\u6483\u8005\u306b\u6e21\u308c\u3070\u5927\u898f\u6a21\u306a\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u304c\u53ef\u80fd\u306b\u306a\u308b\u3068\u3057\u3066\u3001Anthropic\u306fMythos\u3092\u4e00\u822c\u516c\u958b\u305b\u305a\u3001\u300cProject Glasswing\uff08\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30fb\u30b0\u30e9\u30b9\u30a6\u30a3\u30f3\u30b0\uff09\u300d\u3068\u547c\u3070\u308c\u308b\u67a0\u7d44\u307f\u306e\u3082\u3068\u3067Amazon\u30fbApple\u30fbMicrosoft\u30fbGoogle\u306a\u306912\u306e\u30b3\u30a2\u30d1\u30fc\u30c8\u30ca\u30fc\u3068\u7d0440\u306e\u8ffd\u52a0\u7d44\u7e54\u306b\u9632\u885b\u76ee\u7684\u9650\u5b9a\u3067\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002Anthropic\u306f\u3053\u306e\u53d6\u308a\u7d44\u307f\u306b\u6700\u59271\u5104\u30c9\u30eb\u306e\u5229\u7528\u30af\u30ec\u30b8\u30c3\u30c8\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u9632\u885b\u5074\u304c\u653b\u6483\u8005\u3088\u308a\u5148\u306b\u8106\u5f31\u6027\u3092\u4fee\u6b63\u3067\u304d\u308b\u74b0\u5883\u3092\u4f5c\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\t\t\t<div class=\"sitecard\">\n\t\t\t\t<div class=\"sitecard__subtitle\">\u95a2\u9023\u8a18\u4e8b<\/div>\n\t\t\t\t<div class=\"sitecard__contents\">\n\t\t\t\t\t<div class=\"heading heading-secondary\"><a href=\"target=https:\/\/taskhub.jp\/magazine\/news\/14726\" target=\"_self\">Claude Mythos\u3068\u306f\uff1f\u6027\u80fd\u30fb\u516c\u958b\u5236\u9650\u306e\u7406\u7531\u30fbGlasswing Project\u306b\u3064\u3044\u3066\u89e3\u8aac<\/a><\/div>\n\t\t\t\t\t<p class=\"phrase phrase-tertiary\">&nbsp;\r\n\r\n2026\u5e744\u67087\u65e5\u3001Anthropic\u304cClaude Mythos\u306ePreview\u7248\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002\u540c\u793e\u306e\u73fe\u6642\u70b9\u3067\u306e\u6700\u9ad8\u6027\u80fd\u30e2\u30c7\u30eb\u3067\u3059\u304c\u3001Anthropic\u306f\u4e00\u822c\u63d0\u4f9b\u306f\u3057\u306a\u3044\u3068\u660e\u8a00\u3057\u3066\u3044\u307e\u3059\u3002\r\n\u30e2\u30c7\u30eb\u767a\u8868\u3068\u540c\u6642\u306bAma[\u2026]<\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"eyecatch eyecatch-11\"><a class=\"eyecatch__link\" href=\"target=https:\/\/taskhub.jp\/magazine\/news\/14726\" target=\"_self\"><img width=\"375\" height=\"211\" src=\"https:\/\/taskhub.jp\/magazine\/wp-content\/themes\/the-thor\/img\/dummy.gif\" data-layzr=\"https:\/\/taskhub.jp\/magazine\/wp-content\/uploads\/2026\/04\/\u4eca\u8a71\u984c\u306e-375x211.jpg\" class=\"attachment-icatch375 size-icatch375 wp-post-image\" alt=\"\" decoding=\"async\" \/><\/a><\/div>\n\t\t\t<\/div>\n<h3>GPT-5.4-Cyber\u3068Claude Mythos\u306e\u9055\u3044<\/h3>\n<p>Anthropic\u306f\u300cClaude Mythos Preview\u306e\u80fd\u529b\u306f\u4e00\u822c\u516c\u958b\u3059\u308b\u306b\u306f\u5371\u967a\u3059\u304e\u308b\u300d\u3068\u3057\u3066\u3001Apple\u30fbMicrosoft\u30fbGoogle\u306a\u306912\u793e\u306840\u7d44\u7e54\u3078\u306e\u53b3\u683c\u306a\u9650\u5b9a\u63d0\u4f9b\u3092\u9078\u3073\u307e\u3057\u305f\u3002\u4e00\u65b9OpenAI\u306f\u300c\u5236\u9650\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u8ab0\u304c\u4f7f\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u300d\u3068\u3044\u3046\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u3068\u308a\u3001\u8eab\u5143\u78ba\u8a8d\u3092\u7d4c\u305f\u6570\u5343\u4eba\u898f\u6a21\u306e\u9632\u885b\u8005\u306b\u5e83\u304f\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>The Next Web\u306f\u3053\u306e\u5bfe\u6bd4\u3092\u300cAnthropic\u304c\u6975\u9650\u307e\u3067\u7d5e\u3063\u305f\u62db\u5f85\u5236\u3092\u9078\u3076\u4e00\u65b9\u3001OpenAI\u306f\u5e83\u304f\u78ba\u8a8d\u6e08\u307f\u306e\u9632\u885b\u8005\u306b\u30a2\u30af\u30bb\u30b9\u3092\u89e3\u653e\u3059\u308b\u3053\u3068\u306b\u8ced\u3051\u305f\u300d\u3068\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p style=\"text-align: right;\">\u53c2\u8003\uff1a<a href=\"https:\/\/thenextweb.com\/news\/openai-gpt-5-4-cyber-trusted-access-defenders-mythos\">The Next Web<\/a><\/p>\n<p>\u6027\u80fd\u9762\u3067\u306fMythos Preview\u306e\u65b9\u304c\u4e0a\u56de\u308b\u3068\u3055\u308c\u307e\u3059\u304c\u3001OpenAI\u306f\u300c\u3088\u308a\u591a\u304f\u306e\u9632\u885b\u8005\u304c\u4f7f\u3048\u308b\u3053\u3068\u3067\u3001\u653b\u6483\u8005\u306b\u5bfe\u3057\u3066\u9632\u885b\u5074\u304c\u512a\u4f4d\u306b\u7acb\u3066\u308b\u300d\u3068\u3044\u3046\u8003\u3048\u65b9\u3092\u53d6\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>GPT-5.4-Cyber\u3068Claude Mythos Preview\u306e<strong>\u5b9a\u91cf\u7684\u306a\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u6bd4\u8f03\u306f\u73fe\u6642\u70b9\u3067\u306f\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u305b\u3093<\/strong>\u3002Mythos\u306f\u72ec\u81ea\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a55\u4fa1\u6307\u6a19\uff08CyberGym: 83.1%\uff09\u3067\u524d\u4e16\u4ee3\uff08Claude Opus 4.6\uff09\u3092\u5927\u304d\u304f\u4e0a\u56de\u308b\u3053\u3068\u304c\u516c\u8868\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001GPT-5.4-Cyber\u306e\u540c\u6307\u6a19\u30b9\u30b3\u30a2\u306fOpenAI\u304b\u3089\u767a\u8868\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u6027\u80fd\u5dee\u306e\u5b9a\u91cf\u7684\u306a\u691c\u8a3c\u306f\u73fe\u6642\u70b9\u3067\u306f\u884c\u3048\u306a\u3044\u72b6\u6cc1\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6bd4\u8f03\u9805\u76ee<\/th>\n<th>GPT-5.4-Cyber\uff08OpenAI\uff09<\/th>\n<th>Claude Mythos Preview\uff08Anthropic\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30e2\u30c7\u30eb\u306e\u6027\u80fd<\/td>\n<td>GPT-5.4\u30d9\u30fc\u30b9<\/td>\n<td>Claude\u30e2\u30c7\u30eb\u53f2\u4e0a\u6700\u9ad8\u6027\u80fd\uff08\u5168\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3067\u4e0a\u56de\u308b\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30a2\u30af\u30bb\u30b9\u898f\u6a21<\/td>\n<td>\u6570\u5343\u306e\u500b\u4eba\uff0b\u6570\u767e\u30c1\u30fc\u30e0<\/td>\n<td>12\u306e\u30b3\u30a2\u30d1\u30fc\u30c8\u30ca\u30fc\uff0b\u7d0440\u7d44\u7e54<\/td>\n<\/tr>\n<tr>\n<td>\u30a2\u30af\u30bb\u30b9\u65b9\u6cd5<\/td>\n<td>\u8eab\u5143\u78ba\u8a8d\u306b\u3088\u308b\u6bb5\u968e\u7684\u306a\u958b\u653e<\/td>\n<td>\u53b3\u9078\u62db\u5f85\u5236\u306e\u307f<\/td>\n<\/tr>\n<tr>\n<td>\u63d0\u4f9b\u306e\u54f2\u5b66<\/td>\n<td>\u300c\u5e83\u304f\u78ba\u8a8d\u6e08\u307f\u306e\u9632\u885b\u8005\u306b\u4f7f\u308f\u305b\u308b\u300d<\/td>\n<td>\u300c\u5371\u967a\u3059\u304e\u308b\u305f\u3081\u6975\u9650\u307e\u3067\u7d5e\u308b\u300d<\/td>\n<\/tr>\n<tr>\n<td>\u5229\u7528\u76ee\u7684<\/td>\n<td>\u9632\u885b\u696d\u52d9\u5168\u822c\uff08\u500b\u4eba\u542b\u3080\uff09<\/td>\n<td>\u91cd\u8981\u30a4\u30f3\u30d5\u30e9\u306e\u9632\u885b\u306b\u9650\u5b9a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>GPT-5.4-Cyber\u306f\u3001OpenAI\u304c2026\u5e744\u670814\u65e5\u306b\u767a\u8868\u3057\u305fGPT-5.4\u30d9\u30fc\u30b9\u306e\u30b5\u30a4\u30d0\u30fc\u9632\u885b\u5c02\u7528\u30e2\u30c7\u30eb\u3067\u3059\u3002\u30d0\u30a4\u30ca\u30ea\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u6a5f\u80fd\u306e\u8ffd\u52a0\u3068\u9632\u885b\u696d\u52d9\u5411\u3051\u306e\u5236\u9650\u7de9\u548c\u304c\u4e3b\u306a\u7279\u5fb4\u3067\u3001Trusted Access for Cyber\uff08TAC\uff09\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u901a\u3058\u305f\u8eab\u5143\u78ba\u8a8d\u6e08\u307f\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u6bb5\u968e\u7684\u63d0\u4f9b\u3068\u3044\u3046\u5f62\u3092\u3068\u308a\u307e\u3059\u3002<\/p>\n<p>Anthropic\u306e\u53b3\u683c\u306a\u62db\u5f85\u5236\uff08\u7d0440\u7d44\u7e54\u9650\u5b9a\uff09\u306b\u5bfe\u3057\u3066\u3001OpenAI\u306f\u300c\u5e83\u304f\u78ba\u8a8d\u6e08\u307f\u306e\u9632\u885b\u8005\u306b\u5c4a\u3051\u308b\u300d\u3068\u3044\u3046\u65b9\u5411\u6027\u3092\u6253\u3061\u51fa\u3057\u3066\u304a\u308a\u3001\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3AI\u3092\u3081\u3050\u308b\u4e21\u793e\u306e\u30e2\u30c7\u30eb\u904b\u7528\u306e\u65b9\u5411\u6027\u306e\u9055\u3044\u304c\u660e\u78ba\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3069\u3061\u3089\u306e\u30e2\u30c7\u30eb\u306b\u304a\u3044\u3066\u3082\u3001\u73fe\u5728\u4f7f\u7528\u3067\u304d\u308b\u30e6\u30fc\u30b6\u30fc\u306f\u9650\u3089\u308c\u305f\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u3067\u3042\u308a\u3001\u4e00\u822c\u516c\u958b\u306f\u5148\u306e\u8a71\u306b\u306a\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u4eca\u5f8c\u3082\u60c5\u5831\u66f4\u65b0\u304c\u3042\u308a\u6b21\u7b2c\u3001\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2026\u5e744\u670814\u65e5\u3001OpenAI\u306f\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c02\u7528AI\u30e2\u30c7\u30eb\u300cGPT-5.4-Cyber\u300d\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002\u540c\u793e\u306e\u6700\u65b0\u30e2\u30c7\u30ebGPT-5.4\u3092\u30d9\u30fc\u30b9\u306b\u3001\u9632\u885b\u76ee\u7684\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u696d\u52d9\u306b\u7279\u5316\u3057\u3066\u30d5\u30a1\u30a4 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14786,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":""},"categories":[44],"tags":[],"_links":{"self":[{"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/posts\/14781"}],"collection":[{"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/comments?post=14781"}],"version-history":[{"count":4,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/posts\/14781\/revisions"}],"predecessor-version":[{"id":14788,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/posts\/14781\/revisions\/14788"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/media\/14786"}],"wp:attachment":[{"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/media?parent=14781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/categories?post=14781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taskhub.jp\/magazine\/wp-json\/wp\/v2\/tags?post=14781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}