{"id":356191,"date":"2026-04-05T19:27:01","date_gmt":"2026-04-06T02:27:01","guid":{"rendered":"https:\/\/www.paloaltonetworks.com\/blog\/?p=356191"},"modified":"2026-04-05T19:27:01","modified_gmt":"2026-04-06T02:27:01","slug":"cryptographic-reset-has-begun","status":"publish","type":"post","link":"https:\/\/www2.paloaltonetworks.com\/blog\/2026\/04\/cryptographic-reset-has-begun\/?lang=ja","title":{"rendered":"\u6697\u53f7\u30ea\u30bb\u30c3\u30c8\u306e\u5e55\u958b\u3051"},"content":{"rendered":"<p><b>\u6697\u53f7\u306e\u4fe1\u983c\u6027\u3068\u5b8c\u5168\u6027\u306b\u95a2\u3059\u308b\u69cb\u9020\u7684\u5909\u5316<\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u6570\u5341\u5e74\u306e\u9593\u3001\u30c7\u30b8\u30bf\u30eb\u7d4c\u6e08\u306f\u9759\u7684\u306a\u6697\u53f7\u306e\u4fe1\u983c\u6027\u30e2\u30c7\u30eb\u3092\u57fa\u306b\u904b\u7528\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u3002<\/span><\/p>\n<p><span style=\"font-weight: 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400;\">2026\u5e743\u670815\u65e5\u3001<\/span><a href=\"https:\/\/cabforum.org\/2025\/04\/11\/ballot-sc081v3-introduce-schedule-of-reducing-validity-and-data-reuse-periods\/\" rel=\"nofollow,noopener\" ><span style=\"font-weight: 400;\">CA\/Browser Forum<\/span><\/a><span style=\"font-weight: 400;\">\u304c\u3001\u30d1\u30d6\u30ea\u30c3\u30afTLS\u8a3c\u660e\u66f8\u306e\u6700\u9577\u6709\u52b9\u671f\u9593\u3092398\u65e5\u304b\u3089200\u65e5\u306b\u77ed\u7e2e\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u6bb5\u968e\u7684\u306a\u79fb\u884c\u306e\u7b2c\u4e00\u6bb5\u968e\u3067\u3042\u308a\u3001\u8a3c\u660e\u66f8\u306e\u6709\u52b9\u671f\u9593\u306f2027\u5e74\u306b\u306f100\u65e5\u306b\u3001\u6700\u7d42\u6bb5\u968e\u306e<\/span><i><span style=\"font-weight: 400;\">2029\u5e74\u306b\u306f47\u65e5<\/span><\/i><span style=\"font-weight: 400;\">\u306b\u77ed\u7e2e\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 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400;\">\u4fe1\u983c\u6027\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u304c\u9ad8\u901f\u5316\u3059\u308b\u4e00\u65b9\u3067\u3001\u3082\u30461\u3064\u306e\u8ab2\u984c\u304c\u540c\u6642\u306b\u767a\u751f\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u73fe\u4ee3\u306e\u6697\u53f7\u3092\u5b88\u308b\u6570\u5b66\u304c\u9650\u754c\u3092\u8fce\u3048\u3064\u3064\u3042\u308b\u306e\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u767a\u5c55\u306f\u3001\u73fe\u5728\u30c7\u30b8\u30bf\u30eb\u901a\u4fe1\u306e\u307b\u3068\u3093\u3069\u3092\u4fdd\u8b77\u3057\u3066\u3044\u308b\u516c\u958b\u9375\u6697\u53f7\u3092\u63fa\u308b\u304c\u3059\u304a\u305d\u308c\u304c\u3042\u308a\u307e\u3059\u3002\u4eca\u5f8c10\u5e74\u3067\u3001\u5341\u5206\u306b\u5f37\u529b\u306a\u91cf\u5b50\u30b7\u30b9\u30c6\u30e0\u304c\u3001RSA\u3084ECC\u306a\u3069\u306e\u4e00\u822c\u7684\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u7834\u308b\u4e88\u6e2c\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u3057\u304b\u3057\u3001\u3053\u306e\u30ea\u30b9\u30af\u306f\u5c06\u6765\u7684\u306a\u30d6\u30ec\u30a4\u30af\u30b9\u30eb\u30fc\u306b\u7559\u307e\u308a\u307e\u305b\u3093\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u65e2\u306b\u653b\u6483\u8005\u306f\u3001HNDL \u300c<\/span><i><span style=\"font-weight: 400;\">\u4eca\u53ce\u96c6\u3057\u3066\u5f8c\u3067\u89e3\u8aad<\/span><\/i><span style=\"font-weight: 400;\">\u300d\u6226\u8853\u3092\u7528\u3044\u3066\u3053\u306e\u5909\u5316\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">HNDL\u30e2\u30c7\u30eb\u3067\u306f\u3001\u73fe\u6642\u70b9\u3067\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u30fb\u4fdd\u5b58\u3057\u3066\u304a\u304d\u3001\u5f8c\u306b\u91cf\u5b50\u6a5f\u80fd\u304c\u5229\u7528\u53ef\u80fd\u306b\u306a\u3063\u305f\u6642\u70b9\u3067\u5fa9\u53f7\u3057\u307e\u3059\u3002\u4eca\u53ce\u96c6\u3055\u308c\u305f\u6a5f\u5bc6\u60c5\u5831\u304c\u3001\u4eca\u5f8c\u6570\u5e74\u9593\u3001\u653b\u6483\u3092\u53d7\u3051\u308b\u30ea\u30b9\u30af\u3092\u62b1\u3048\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u3064\u307e\u308a\u3001\u6697\u53f7\u5316\u30c7\u30fc\u30bf\u306e\u5b8c\u5168\u6027\u306f\u65e2\u306b\u8105\u304b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u8a3c\u660e\u66f8\u306e\u6709\u52b9\u671f\u9650\u77ed\u7e2e\u3068\u3044\u3046\u904b\u7528\u4e0a\u306e\u8ab2\u984c\u306b\u52a0\u3048\u3066\u3001\u91cf\u5b50\u8105\u5a01\u304b\u3089\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u6697\u53f7\u79fb\u884c\u306b\u3082\u5099\u3048\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/span><\/p>\n<p><b>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u30c8\u30e9\u30b9\u30c8 \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30d7\u30ec\u30fc\u30f3\u306b\u5909\u3048\u308b<\/b><\/p>\n<p><span style=\"font-weight: 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400;\">\u4eca\u5e74\u521d\u3081\u3001\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306f\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u91cf\u5b50\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u672c\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306f\u3001\u6697\u53f7\u8cc7\u7523\u306e\u30a4\u30f3\u30d9\u30f3\u30c8\u30ea\u5316\u3001\u30ea\u30b9\u30af\u5f71\u97ff\u5ea6\u306e\u8a55\u4fa1\u3001\u8010\u91cf\u5b50\u6697\u53f7\u3078\u306e\u79fb\u884c\u63a8\u9032\u3092\u652f\u63f4\u3067\u304d\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u91cd\u8981\u306a\u30a4\u30ce\u30d9\u30fc\u30b7\u30e7\u30f3\u306e1\u3064\u3067\u3042\u308b<\/span><i><span style=\"font-weight: 400;\">\u6697\u53f7\u5909\u63db<\/span><\/i><span style=\"font-weight: 400;\">\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30c7\u30d0\u30a4\u30b9\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6697\u53f7\u4fdd\u8b77\u3092\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3067\u304d\u308b\u6a5f\u80fd\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u672c\u6a5f\u80fd\u306b\u3088\u308a\u3001\u6697\u53f7\u30ea\u30bb\u30c3\u30c8\u306e<\/span><i><span style=\"font-weight: 400;\">\u5b8c\u5168\u6027<\/span><\/i><span style=\"font-weight: 400;\">\u306e\u5074\u9762\u306b\u5bfe\u51e6\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u3057\u304b\u3057\u3001<\/span><i><span style=\"font-weight: 400;\">\u4fe1\u983c\u6027<\/span><\/i><span style=\"font-weight: 400;\">\u3092\u5927\u898f\u6a21\u306b\u7ba1\u7406\u3059\u308b\u904b\u7528\u4e0a\u306e\u8ab2\u984c\u3092\u89e3\u6c7a\u3059\u308b\u3053\u3068\u3082\u5fc5\u8981\u3067\u3059\u3002<\/span><\/p>\n<p><b>\u6b21\u4e16\u4ee3\u30c8\u30e9\u30b9\u30c8 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u767b\u5834<\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u3053\u306e\u305f\u3073\u5f0a\u793e\u306f\u3001\u8a3c\u660e\u66f8\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306b\u95a2\u9023\u3057\u3066\u62e1\u5927\u3059\u308b\u904b\u7528\u8ab2\u984c\u3078\u306e\u5bfe\u51e6\u3092\u76ee\u7684\u306b\u958b\u767a\u3057\u305f\u65b0\u6a5f\u80fd\u3092\u516c\u958b\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u305d\u308c\u304c\u3001<\/span><b>\u6b21\u4e16\u4ee3\u30c8\u30e9\u30b9\u30c8 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/b><span style=\"font-weight: 400;\">\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u672c\u6a5f\u80fd\u306f\u3001\u8a3c\u660e\u66f8\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u7ba1\u7406\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u76f4\u63a5\u7d44\u307f\u8fbc\u307f\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u8abf\u67fb\u3001\u7d99\u7d9a\u7684\u306a\u53ef\u8996\u5316\u3001\u5168\u9762\u7684\u306a\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u7ba1\u7406\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u6a5f\u80fd\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 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style=\"font-weight: 400;\">\u73fe\u5728\u767a\u751f\u4e2d\u306e\u8105\u5a01\u3068\u4eca\u5f8c\u767a\u751f\u3059\u308b\u8105\u5a01<\/span><\/i><span style=\"font-weight: 400;\">\u306e\u4e21\u65b9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3067\u512a\u4f4d\u306b\u7acb\u3066\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u6b21\u4e16\u4ee3\u30c8\u30e9\u30b9\u30c8 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001\u8a3c\u660e\u66f8\u304c\u7d76\u3048\u305a\u66f4\u65b0\u3055\u308c\u6697\u53f7\u898f\u683c\u304c\u9032\u5316\u3059\u308b\u65b0\u3057\u3044\u73fe\u5b9f\u3067\u306e\u904b\u7528\u3092\u652f\u63f4\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u8a3c\u660e\u66f8\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306e\u77ed\u7e2e\u306b\u5099\u3048\u308b\u65b9\u6cd5\u306f\u3001<\/span><a href=\"https:\/\/www.paloaltonetworks.com\/network-security\/next-gen-trust-security\"><span style=\"font-weight: 400;\">\u6b21\u4e16\u4ee3\u30c8\u30e9\u30b9\u30c8 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/span><\/a><span style=\"font-weight: 400;\">\u306e\u30da\u30fc\u30b8\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The 200-day TLS certificates signals a structural change in cryptographic trust. Continuous enforcement is key. Discover Next-Generation Trust Security.<\/p>\n","protected":false},"author":563,"featured_media":354215,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7124],"tags":[9530],"coauthors":[10532],"class_list":["post-356191","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products-and-services-ja","tag-tls"],"jetpack_featured_media_url":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-content\/uploads\/2026\/03\/AdobeStock_621254974-edit-4-scaled.jpeg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/posts\/356191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/users\/563"}],"replies":[{"embeddable":true,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/comments?post=356191"}],"version-history":[{"count":1,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/posts\/356191\/revisions"}],"predecessor-version":[{"id":356192,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/posts\/356191\/revisions\/356192"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/media\/354215"}],"wp:attachment":[{"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/media?parent=356191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/categories?post=356191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/tags?post=356191"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www2.paloaltonetworks.com\/blog\/wp-json\/wp\/v2\/coauthors?post=356191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}