{"id":21218,"date":"2025-10-28T06:47:37","date_gmt":"2025-10-28T06:47:37","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=21218"},"modified":"2025-10-28T06:47:37","modified_gmt":"2025-10-28T06:47:37","slug":"x%e3%81%8c%e3%80%8c2%e8%a6%81%e7%b4%a0%e8%aa%8d%e8%a8%bc%e3%81%a7%e4%bd%bf%e3%81%86%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3%e3%82%ad%e3%83%bc%e3%82%9211%e6%9c%8810%e6%97%a5%e3%81%be","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/21218\/","title":{"rendered":"X\u304c\u300c2\u8981\u7d20\u8a8d\u8a3c\u3067\u4f7f\u3046\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u309211\u670810\u65e5\u307e\u3067\u306b\u518d\u767b\u9332\u3057\u306a\u3044\u3068\u30a2\u30ab\u30a6\u30f3\u30c8\u304c\u30ed\u30c3\u30af\u3055\u308c\u308b\u300d\u3068\u547c\u3073\u304b\u3051\u308b\u3001Twitter\u30c9\u30e1\u30a4\u30f3\u5ec3\u6b62\u306e\u305f\u3081 &#8211; GIGAZINE"},"content":{"rendered":"\n<\/p>\n<div id=\"article\">\n<p><!-- ad_flag: FALSE --><!-- gpublic_ASO --><\/p>\n<p><!-- 20141031_GSC_3 --><\/p>\n<div class=\"cntimage\"><!-- &larr;20140212 --><\/p>\n<p><!-- google_ad_section_start --><\/p>\n<p><a target=\"_blank\" href=\"https:\/\/unsplash.com\/ja\/%E5%86%99%E7%9C%9F\/%E6%9A%97%E9%97%87%E3%81%AE%E4%B8%AD%E3%81%A7%E3%83%A9%E3%82%A4%E3%83%88%E3%82%A2%E3%83%83%E3%83%97%E3%81%95%E3%82%8C%E3%81%9F%E3%83%84%E3%82%A4%E3%83%83%E3%82%BF%E3%83%BC%E3%81%AE%E3%83%AD%E3%82%B4-8ays4w9MDVk\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/i.gzn.jp\/img\/2025\/10\/28\/x-hardware-2fa-passkey-twitter-domain\/00_m.jpg\" border=\"0\" class=\"lzsmall img-standard-size\" alt=\"\"\/><\/a><\/p>\n<p class=\"preface\">\n<br \/>X(\u65e7Twitter)\u306e\u30bb\u30fc\u30d5\u30c6\u30a3\u30fc\u30c1\u30fc\u30e0\u304c\u65e5\u672c\u6642\u9593\u306e2025\u5e7410\u670825\u65e5\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u969b\u306e2\u8981\u7d20\u8a8d\u8a3c\u3068\u3057\u3066\u4f7f\u3063\u3066\u3044\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u3092\u518d\u767b\u9332\u3059\u308b\u3088\u3046\u306b\u547c\u3073\u304b\u3051\u307e\u3057\u305f\u3002\u3053\u306e\u52d5\u304d\u306f\u3001X\u304c\u307e\u3060Twitter\u3060\u3063\u305f\u6642\u671f\u306b\u4f7f\u308f\u308c\u3066\u3044\u305f\u30c9\u30e1\u30a4\u30f3\u300ctwitter.com\u300d\u306e\u5ec3\u6b62\u306b\u3088\u308b\u3082\u306e\u3060\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<div id=\"1981764503298777326-1\">\n<blockquote class=\"twitter-tweet\">\n<p lang=\"en\" dir=\"ltr\">After November 10, if you haven\u2019t re-enrolled a security key, your account will be locked until you: re-enroll; choose a different 2FA method; or elect not to use 2FA (but we always recommend you use 2FA to protect your account!).<\/p>\n<p>\u2014 Safety (@Safety) <a target=\"_blank\" href=\"https:\/\/twitter.com\/Safety\/status\/1981764503298777326?ref_src=twsrc%5Etfw\">October 24, 2025<\/a><\/p><\/blockquote>\n<\/div>\n<p class=\"preface\">\n<br \/><b>Using a Security Key on X? Re-Enroll Now or Your Account Will Be Locked | PCMag<\/b><br \/><b><a target=\"_blank\" href=\"https:\/\/www.pcmag.com\/news\/using-a-security-key-on-x-re-enroll-now-or-your-account-will-be-locked\" target=\"_blank\">https:\/\/www.pcmag.com\/news\/using-a-security-key-on-x-re-enroll-now-or-your-account-will-be-locked<\/a><\/b><\/p>\n<p><b>X is getting closer to removing the last reminders of Twitter | The Verge<\/b><br \/><b><a target=\"_blank\" href=\"https:\/\/www.theverge.com\/news\/807011\/twitter-com-x-com-login-security-key-passkey-domain\" target=\"_blank\">https:\/\/www.theverge.com\/news\/807011\/twitter-com-x-com-login-security-key-passkey-domain<\/a><\/b><\/p>\n<p><b>PSA: Reregister your hardware 2FA key for X before November 10 to avoid getting locked out | TechCrunch<\/b><br \/><b><a target=\"_blank\" href=\"https:\/\/techcrunch.com\/2025\/10\/27\/psa-reregister-your-hardware-2fa-key-for-x-before-november-10-to-avoid-getting-locked-out\/\" target=\"_blank\">https:\/\/techcrunch.com\/2025\/10\/27\/psa-reregister-your-hardware-2fa-key-for-x-before-november-10-to-avoid-getting-locked-out\/<\/a><\/b><\/p>\n<p>X\u306e\u30bb\u30fc\u30d5\u30c6\u30a3\u30fc\u30c1\u30fc\u30e0\u306f\u6295\u7a3f\u3067\u3001\u300c11\u670810\u65e5\u307e\u3067\u306b\u30012\u8981\u7d20\u8a8d\u8a3c(2FA)\u306e\u65b9\u6cd5\u3068\u3057\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u5bfe\u3057\u3001X\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u7d99\u7d9a\u3059\u308b\u305f\u3081\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u3092\u518d\u767b\u9332\u3059\u308b\u3088\u3046\u304a\u9858\u3044\u3057\u3066\u3044\u307e\u3059\u3002\u65e2\u5b58\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u3092\u518d\u767b\u9332\u3059\u308b\u304b\u3001\u65b0\u3057\u3044\u3082\u306e\u3092\u767b\u9332\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u300d\u3068\u547c\u3073\u304b\u3051\u307e\u3057\u305f\u3002<br \/><!-- \/4330625\/Google_IL -->\n<\/p>\n<p class=\"preface\">2\u8981\u7d20\u8a8d\u8a3c\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u304c11\u670810\u65e5\u307e\u3067\u306b\u518d\u767b\u9332\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u3092\u518d\u767b\u9332\u3059\u308b\u304b\u3001\u5225\u306e2\u8981\u7d20\u8a8d\u8a3c\u3092\u9078\u629e\u3059\u308b\u304b\u30012\u8981\u7d20\u8a8d\u8a3c\u3092\u4f7f\u308f\u306a\u3044\u3053\u3068\u306b\u3059\u308b\u307e\u3067\u30ed\u30c3\u30af\u3055\u308c\u308b\u3068\u306e\u3053\u3068\u3002\u306a\u304a\u3001\u30bb\u30fc\u30d5\u30c6\u30a3\u30fc\u30c1\u30fc\u30e0\u306f\u300c\u305f\u3060\u3057\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u3001\u5e38\u306b2\u8981\u7d20\u8a8d\u8a3c\u3092\u4f7f\u3046\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\uff01\u300d\u3068\u8ff0\u3079\u3066\u304a\u308a\u30012\u8981\u7d20\u8a8d\u8a3c\u3092\u4f7f\u308f\u306a\u3044\u8a2d\u5b9a\u306f\u975e\u63a8\u5968\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u5909\u66f4\u306f\u3001\u3044\u307e\u3060\u306b\u4e00\u90e8\u3067\u4f7f\u308f\u308c\u7d9a\u3051\u3066\u3044\u308bTwitter\u30c9\u30e1\u30a4\u30f3\u3092\u5ec3\u6b62\u3059\u308b\u305f\u3081\u3060\u3068\u306e\u3053\u3068\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u306f\u4e0a\u306e\u30dd\u30b9\u30c8\u3092\u5f15\u7528\u3059\u308b\u5f62\u3067\u3001\u300c\u3053\u306e\u5909\u66f4\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u61f8\u5ff5\u3068\u306f\u95a2\u4fc2\u306a\u304f\u3001<b><a target=\"_blank\" href=\"https:\/\/gigazine.net\/news\/20200926-yubikey-5c-nfc\/\" target=\"_blank\">YubiKey<\/a><\/b>\u3084\u30d1\u30b9\u30ad\u30fc\u3060\u3051\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u8a8d\u8a3c\u30a2\u30d7\u30ea\u306a\u3069\u4ed6\u306e2\u8981\u7d20\u8a8d\u8a3c\u306b\u306f\u5f71\u97ff\u3057\u307e\u305b\u3093\u30022\u8981\u7d20\u8a8d\u8a3c\u3068\u3057\u3066\u767b\u9332\u3055\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u306f\u73fe\u5728\u3001twitter.com\u30c9\u30e1\u30a4\u30f3\u306b\u7d10\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u3092\u518d\u767b\u9332\u3059\u308b\u3053\u3068\u3067\u3001x.com\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3001\u79c1\u305f\u3061\u304cTwitter\u30c9\u30e1\u30a4\u30f3\u3092\u5ec3\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u300d\u3068\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div id=\"1982278858457174522-2\">\n<blockquote class=\"twitter-tweet\">\n<p lang=\"en\" dir=\"ltr\">To clarify: this change is not related to any security concern, and only impacts Yubikeys and passkeys &#8211; not other 2FA methods (such as authenticator apps). Security keys enrolled as a 2FA method are currently tied to the twitter[.]com domain. Re-enrolling your security key will\u2026 <a target=\"_blank\" href=\"https:\/\/t.co\/PlXOTnNXPM\">https:\/\/t.co\/PlXOTnNXPM<\/a><\/p>\n<p>\u2014 Safety (@Safety) <a target=\"_blank\" href=\"https:\/\/twitter.com\/Safety\/status\/1982278858457174522?ref_src=twsrc%5Etfw\">October 26, 2025<\/a><\/p><\/blockquote>\n<\/div>\n<p class=\"preface\">\n<br \/>2022\u5e74\u306b\u30a4\u30fc\u30ed\u30f3\u30fb\u30de\u30b9\u30af\u6c0f\u304cTwitter\u3092\u8cb7\u53ce\u3057\u3066\u4ee5\u964d\u3001\u3055\u307e\u3056\u307e\u306a\u6539\u9769\u304c\u884c\u308f\u308c\u3066\u304d\u307e\u3057\u305f\u30022023\u5e74\u306b\u306f\u3001\u9577\u3089\u304f\u89aa\u3057\u307e\u308c\u3066\u304d\u305f\u300cTwitter\u300d\u3068\u3044\u3046\u540d\u79f0\u3092\u300cX\u300d\u306b\u5909\u66f4\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u3082twitter.com\u304b\u3089x.com\u306b\u5909\u66f4\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p><b><a target=\"_blank\" href=\"https:\/\/gigazine.net\/news\/20230725-twitter-to-x\/\" target=\"_blank\">Twitter\u672c\u793e\u306e\u770b\u677f\u304b\u3089\u300cTwitter\u300d\u306e\u6587\u5b57\u304c\u64a4\u53bb\u3055\u308c\u308b\u3001Twitter\u304c\u9752\u3044\u9ce5\u3092\u6368\u3066\u3066\u300cX\u300d\u306b\u540d\u79f0\u3092\u5909\u66f4 &#8211; GIGAZINE<\/a><\/b><\/p>\n<p><a target=\"_blank\" href=\"https:\/\/gigazine.net\/news\/20230725-twitter-to-x\/\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/i.gzn.jp\/img\/2023\/07\/25\/twitter-to-x\/00_m.png\" border=\"0\" class=\"lzsmall\" alt=\"\"\/><\/a><\/p>\n<p class=\"preface\">\n<br \/>twitter.com\u306fx.com\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u3066\u304a\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u306a\u3069\u3067\u306f\u5f15\u304d\u7d9a\u304dtwitter.com\u304c\u4f7f\u7528\u53ef\u80fd\u306a\u72b6\u614b\u3067\u3057\u305f\u304c\u30012025\u5e7411\u670810\u65e5\u4ee5\u964d\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u3067twitter.com\u304b\u3089\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>X\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3042\u308b\u30af\u30ea\u30b9\u30c8\u30d5\u30a1\u30fc\u30fb\u30b9\u30bf\u30f3\u30ea\u30fc\u6c0f\u306f\u3053\u306e\u5909\u66f4\u306b\u3064\u3044\u3066\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3060\u3068\u4e3b\u5f35\u3002\u300cTwitter\u306e\u767b\u9332\u6e08\u307f\u30ad\u30fc\u3092\u89e3\u9664\u3057\u3001\u30c9\u30e1\u30a4\u30f3\u4fe1\u983c\u306e\u305f\u3081\u306e\u30cf\u30c3\u30af\u7684\u306a\u624b\u6cd5\u3092\u5ec3\u6b62\u3057\u307e\u3059\u3002\u7269\u7406\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u306fTwitter\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u6697\u53f7\u7684\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001X\u306e\u4e0b\u3067\u518d\u767b\u9332\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u300d\u3068\u8ff0\u3079\u307e\u3057\u305f\u3002<\/p>\n<div id=\"1982100744309268781-3\">\n<blockquote class=\"twitter-tweet\">\n<p lang=\"en\" dir=\"ltr\">Getting off of Twitter enrolled keys so we can stop doing hacky things for domain trust. <\/p>\n<p>Physical security keys are cryptographically registered to Twitter\u2019s domain and need to be re-enrolled under X.<\/p>\n<p>\u2014 Christopher Stanley (@cstanley) <a target=\"_blank\" href=\"https:\/\/twitter.com\/cstanley\/status\/1982100744309268781?ref_src=twsrc%5Etfw\">October 25, 2025<\/a><\/p><\/blockquote>\n<\/div>\n<p><!-- google_ad_section_end --><\/p>\n<div style=\"text-align: center; margin: 10px auto 0px;\">\n<p>\u3053\u306e\u8a18\u4e8b\u306e\u30bf\u30a4\u30c8\u30eb\u3068URL\u3092\u30b3\u30d4\u30fc\u3059\u308b<\/p>\n<\/div>\n<\/div>\n<p><!-- &larr;20140212 --><\/p>\n<p><!-- gpublic_ASO --><\/p>\n<p class=\"article\"><b>\u30fb\u95a2\u9023\u8a18\u4e8b<\/b><br \/><b><a target=\"_blank\" href=\"https:\/\/gigazine.net\/news\/20231116-titan-security-key-passkeys\" onclick=\"if (!window.__cfRLUnblockHandlers) return false; ga('send', 'event', 'kanren', '20251028-x-hardware-2fa-passkey-twitter-domain', '20231116-titan-security-key-passkeys')\" target=\"_blank\" data-cf-modified-ed0539423306992fc0df3452-=\"\">Google\u306e2\u6bb5\u968e\u8a8d\u8a3c\u7528\u7269\u7406\u30ad\u30fc\u300cTitan \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30ad\u30fc\u300d\u306b\u300c\u30d1\u30b9\u30ad\u30fc\u300d\u5bfe\u5fdc\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u767b\u5834\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u5165\u529b\u3059\u3089\u4e0d\u8981\u306b &#8211; GIGAZINE<\/a><\/b><\/p>\n<p><b><a target=\"_blank\" href=\"https:\/\/gigazine.net\/news\/20231219-google-titan-security-pass-key\" onclick=\"if (!window.__cfRLUnblockHandlers) return false; ga('send', 'event', 'kanren', '20251028-x-hardware-2fa-passkey-twitter-domain', '20231219-google-titan-security-pass-key')\" target=\"_blank\" data-cf-modified-ed0539423306992fc0df3452-=\"\">\u6700\u5927250\u7a2e\u985e\u306e\u30d1\u30b9\u30ad\u30fc\u306e\u4fdd\u5b58\u304c\u53ef\u80fd\u306aGoogle Titan \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30ad\u30fc\u3092\u4f7f\u3063\u3066\u30d1\u30b9\u30ad\u30fc\u8a8d\u8a3c\u3057\u3066\u307f\u305f &#8211; GIGAZINE<\/a><\/b><\/p>\n<p><b><a target=\"_blank\" href=\"https:\/\/gigazine.net\/news\/20200926-yubikey-5c-nfc\" onclick=\"if (!window.__cfRLUnblockHandlers) return false; ga('send', 'event', 'kanren', '20251028-x-hardware-2fa-passkey-twitter-domain', '20200926-yubikey-5c-nfc')\" target=\"_blank\" data-cf-modified-ed0539423306992fc0df3452-=\"\">\u30b9\u30de\u30db\u3067\u3082PC\u3067\u3082\u4f7f\u3048\u308bUSB Type-C\u3068NFC\u3092\u642d\u8f09\u3057\u305f\u7269\u7406\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ad\u30fc\u300cYubiKey 5C NFC\u300d\u30ec\u30d3\u30e5\u30fc &#8211; GIGAZINE<\/a><\/b><\/p>\n<p><b><a target=\"_blank\" 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