{"id":1675,"date":"2018-08-07T00:00:00","date_gmt":"2018-08-06T15:00:00","guid":{"rendered":"https:\/\/blog-github-com-develop.go-vip.co\/\/jp\/2018-08-07-new-improvements-and-best-practices-for-account-security-and-recoverability\/"},"modified":"2019-01-16T07:45:42","modified_gmt":"2019-01-15T22:45:42","slug":"new-improvements-and-best-practices-for-account-security-and-recoverability","status":"publish","type":"post","link":"https:\/\/blog-github-com-develop.go-vip.co\/jp\/2018-08-07-new-improvements-and-best-practices-for-account-security-and-recoverability\/","title":{"rendered":"\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30ea\u30ab\u30d0\u30ea\u6027\u3092\u9ad8\u3081\u308b\u65b0\u30b5\u30fc\u30d3\u30b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9"},"content":{"rendered":"<p>\u30a2\u30ab\u30a6\u30f3\u30c8\u3078\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u9632\u3050\u306b\u306f\u3001\u5f37\u56fa\u306a\u8a8d\u8a3c\u60c5\u5831\u3068\u8a8d\u8a3c\u30d7\u30ed\u30bb\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002GitHub\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u306f\u3059\u3079\u3066\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u307e\u305a\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5f37\u56fa\u306b\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u3046\u3048\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u3055\u3089\u306b\u5f37\u5316\u3059\u308b\u305f\u3081\u306b\u30012\u8981\u7d20\u8a8d\u8a3c(2FA)\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3092\u5f37\u304f\u304a\u52e7\u3081\u3057\u307e\u3059\u3002GitHub\u3067\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u5229\u4fbf\u6027\u3001\u30ea\u30ab\u30d0\u30ea\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b2\u3064\u306e\u65b0\u30b5\u30fc\u30d3\u30b9\u3092\u5c0e\u5165\u3057\u307e\u3059\u3002<\/p>\n<h2 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\/>\n\u6570\u5e74\u524d\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7814\u7a76\u8005\u306e<a href=\"https:\/\/www.troyhunt.com\/\">\u30c8\u30ed\u30a4\u30fb\u30cf\u30f3\u30c8<\/a>\u6c0f\u304c\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u3001<a href=\"https:\/\/haveibeenpwned.com\/\">HaveIBeenPwned.com<\/a>\u3068\u3044\u3046\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u7acb\u3061\u4e0a\u3052\u307e\u3057\u305f\u3002\u30cf\u30f3\u30c8\u6c0f\u306f\u3001\u7279\u5b9a\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u53d7\u3051\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u308b\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u3068\u5171\u306b\u3001\u7d045\u51041,700\u4e07\u4ef6\u306e\u60c5\u5831\u3092\u542b\u3080\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002GitHub\u3067\u306f\u3001\u3053\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3066\u793e\u5185\u7248\u306eHaveIBeenPwned\u3092\u69cb\u7bc9\u3057\u3001\u6d41\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u306bGitHub\u30e6\u30fc\u30b6\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u691c\u8a3c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><img 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alt=\"image\"><\/p>\n<p>\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u3088\u308a\u9032\u5316\u3055\u305b\u3001GitHub\u3067\u306f\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u53d7\u3051\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u306b\u5bfe\u3057\u3001\u30ed\u30b0\u30a4\u30f3\u3001\u767b\u9332\u3001\u307e\u305f\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u66f4\u65b0\u306e\u969b\u306b\u3001\u5225\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u306b\u5909\u66f4\u3059\u308b\u3088\u3046\u4fc3\u3059\u30b5\u30fc\u30d3\u30b9\u3092\u958b\u59cb\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u306a\u304a\u3001GitHub\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u95a2\u6570<a href=\"https:\/\/en.wikipedia.org\/wiki\/Bcrypt\">bcrypt<\/a>\u3067\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u3054\u5b89\u5fc3\u304f\u3060\u3055\u3044\u3002GitHub\u3067\u306f\u3001\u7686\u3055\u3093\u304c\u767b\u9332\u3059\u308b\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u53d7\u3051\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u76ee\u7684\u3067\u306e\u307f\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u691c\u8a3c\u3092\u5b9f\u65bd\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"2%e8%a6%81%e7%b4%a0%e8%aa%8d%e8%a8%bc%e3%81%ae%e7%a2%ba%e8%aa%8d%e3%82%92%e3%81%8a%e7%9f%a5%e3%82%89%e3%81%9b\">2\u8981\u7d20\u8a8d\u8a3c\u306e\u78ba\u8a8d\u3092\u304a\u77e5\u3089\u305b<a href=\"#2%e8%a6%81%e7%b4%a0%e8%aa%8d%e8%a8%bc%e3%81%ae%e7%a2%ba%e8%aa%8d%e3%82%92%e3%81%8a%e7%9f%a5%e3%82%89%e3%81%9b\" class=\"heading-link\" aria-label=\"2\u8981\u7d20\u8a8d\u8a3c\u306e\u78ba\u8a8d\u3092\u304a\u77e5\u3089\u305b\" data-anchorjs-icon=\"#\" style=\"padding-left: 0.375em;\"><\/a><\/h2>\n<p>2\u8981\u7d20\u8a8d\u8a3c\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u4fdd\u8b77\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u3042\u308a\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u8106\u5f31\u306a\u3082\u306e\u3060\u3063\u305f\u308a\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u53d7\u3051\u305f\u5834\u5408\u3067\u3082\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4fdd\u8b77\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3057\u304b\u3057\u30012\u8981\u7d20\u8a8d\u8a3c\u306f\u8af8\u5203\u306e\u5263\u3067\u3059\u30022\u8981\u7d20\u8a8d\u8a3c\u3067\u306f\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u3042\u305f\u308a2\u3064\u306e\u8981\u7d20\u304c\u5fc5\u8981\u3067\u3059\u3002\u3064\u307e\u308a\u30012\u3064\u306e\u8981\u7d20\u306e\u3069\u3061\u3089\u304b\u3072\u3068\u3064\u3067\u3082\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308b\u3068\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u81ea\u4f53\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1102\" height=\"1708\" src=\"https:\/\/blog-github-com-develop.go-vip.co\/jp\/wp-content\/uploads\/sites\/2\/2018\/08\/43761992-af88fc44-9a61-11e8-9cfa-e6ffadbd4326.png?resize=1102%2C1708\" class=\"attachment-full size-full\" alt=\"image\"><\/p>\n<p>\u305d\u3053\u3067GitHub\u306f\u30012\u8981\u7d20\u8a8d\u8a3c\u3092\u6709\u52b9\u306b\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u306b\u5bfe\u3057\u3001\u305d\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u30aa\u30d7\u30b7\u30e7\u30f3\u3068<a href=\"https:\/\/help.github.com\/articles\/recovering-your-account-if-you-lose-your-2fa-credentials\/\">\u30ea\u30ab\u30d0\u30ea\u30aa\u30d7\u30b7\u30e7\u30f3<\/a>\u3092\u78ba\u8a8d\u3059\u308b\u3088\u3046\u5b9a\u671f\u7684\u306b\u304a\u77e5\u3089\u305b\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u306a\u304a\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3092\u7d1b\u5931\u3001\u76d7\u96e3\u3001\u6c34\u6ca1\u306a\u3069\u306e\u7406\u7531\u3067\u4f7f\u7528\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306b\u5099\u3048\u3066\u3001<a 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\/>\n\u3053\u308c\u3089\u65b0\u30b5\u30fc\u30d3\u30b9\u306f\u3001GitHub\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u305c\u3072\u3053\u306e\u6a5f\u4f1a\u306b\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u305d\u3063\u3066\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8a2d\u5b9a\u3092\u898b\u76f4\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u5229\u4fbf\u6027\u3001\u30ea\u30ab\u30d0\u30ea\u6027\u306e\u3069\u308c\u3092\u91cd\u8996\u3059\u308b\u304b\u306f\u3001\u3054\u81ea\u8eab\u3067\u306e\u5224\u65ad\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p>\u73fe\u5728\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u3001<a href=\"https:\/\/help.github.com\/articles\/creating-a-strong-password\/\">\u30d1\u30b9\u30ef\u30fc\u30c9\u7ba1\u7406\u30c4\u30fc\u30eb<\/a>\u3067\u751f\u6210\u3057\u3066\u3001\u5341\u5206\u306a\u9577\u3055\u304c\u3042\u308a\u3001\u307b\u304b\u306eWeb\u30b5\u30a4\u30c8\u3067\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u3082\u306e\u306b\u5909\u66f4\u3059\u308b\u3002\u30d1\u30b9\u30ef\u30fc\u30c9\u7ba1\u7406\u30c4\u30fc\u30eb\u306f\u3001\u30af\u30e9\u30a6\u30c9\u540c\u671f\u306b\u5bfe\u5fdc\u3057\u305f\u3082\u306e\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<li>\n<p>2\u8981\u7d20\u8a8d\u8a3c\u3092\u4f7f\u7528\u3059\u308b\u3002\u305d\u306e\u969b\u3001<a href=\"https:\/\/help.github.com\/articles\/configuring-two-factor-authentication\/#configuring-two-factor-authentication-using-a-totp-mobile-app\">TOTP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/a>\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001<a href=\"https:\/\/help.github.com\/articles\/configuring-two-factor-authentication\/#configuring-two-factor-authentication-using-text-messages\">SMS\u3067\u30b3\u30fc\u30c9\u3092\u53d7\u3051\u53d6\u308b<\/a>\u5834\u5408\u3088\u308a\u3082\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5f37\u5316\u3055\u308c\u307e\u3059\u304c\u3001\u4e07\u304c\u4e00\u306e\u969b\u306b\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u3082\u9ad8\u307e\u308a\u307e\u3059\u30022\u8981\u7d20\u8a8d\u8a3c\u3067\u4f7f\u7528\u3059\u308b\u8a8d\u8a3c\u60c5\u5831\u3092\u5b89\u5168\u306b\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3067\u304d\u308b\u3001\u30af\u30e9\u30a6\u30c9\u540c\u671f\u306b\u5bfe\u5fdc\u3057\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<li>\n<p>2\u8981\u7d20\u8a8d\u8a3c\u7528\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306b\u5099\u3048\u3066\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u30ea\u30ab\u30d0\u30ea\u3059\u308b\u305f\u3081\u306e\u624b\u6bb5\u3092\u7528\u610f\u3057\u3066\u304a\u304f\u3002\u7279\u306b\u5b89\u5168\u6027\u304c\u9ad8\u3044\u306e\u306f\u3001<a href=\"https:\/\/help.github.com\/articles\/configuring-two-factor-authentication\/#configuring-two-factor-authentication-using-fido-u2f\">\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2U2F\u30ad\u30fc<\/a>\u3067\u3059\u3002\u307e\u305f\u3001<a href=\"https:\/\/help.github.com\/articles\/configuring-two-factor-authentication-recovery-methods\/\">\u30d1\u30b9\u30ef\u30fc\u30c9\u7ba1\u7406\u30c4\u30fc\u30eb\u3084\u7269\u7406\u7684\u306b\u5b89\u5168\u306a\u5834\u6240\u306a\u3069\u5341\u5206\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u78ba\u4fdd\u3055\u308c\u305f\u5834\u6240\u306b\u30012\u8981\u7d20\u8a8d\u8a3c\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30b3\u30fc\u30c9\u3092\u4fdd\u5b58<\/a>\u3057\u3066\u304a\u304d\u307e\u3059\u3002\u540c\u6642\u306b\u3001<a href=\"https:\/\/help.github.com\/articles\/configuring-two-factor-authentication-recovery-methods\/#adding-a-fallback-authentication-method-with-recover-accounts-elsewhere\">Recover Accounts Elsewhere<\/a>\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u3092Facebook\u306b\u30ea\u30f3\u30af\u3059\u308b\u3053\u3068\u3082\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<li>\n<p>\u5fc5\u8981\u306b\u5fdc\u3058\u3066<a href=\"https:\/\/github.com\/settings\/emails\">\u30e1\u30a4\u30f3\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4<\/a>\u3059\u308b\u3068\u5171\u306b\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u9069\u5207\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u30ea\u30bb\u30c3\u30c8\u306b\u5229\u7528\u3067\u304d\u308b\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p>GitHub\u306e\u305d\u306e\u4ed6\u306e\u8a8d\u8a3c\u60c5\u5831\u3092\u78ba\u8a8d\u3059\u308b\u3002GitHub\u3067\u306f\u30011\u5e74\u9593\u4f7f\u7528\u3055\u308c\u3066\u3044\u306a\u3044<a href=\"https:\/\/help.github.com\/articles\/reviewing-your-ssh-keys\/\">SSH\u30ad\u30fc<\/a>\u3001<a href=\"https:\/\/help.github.com\/articles\/reviewing-your-deploy-keys\/\">\u30c7\u30d7\u30ed\u30a4\u30ad\u30fc<\/a>\u3001<a href=\"https:\/\/github.com\/settings\/applications\">OAuth\u306e\u8a8d\u53ef\u60c5\u5831<\/a>\u3001\u304a\u3088\u3073<a href=\"https:\/\/github.com\/settings\/tokens\">\u500b\u4eba\u30a2\u30af\u30bb\u30b9\u30c8\u30fc\u30af\u30f3<\/a>\u3092\u524a\u9664\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u3089\u3092\u624b\u52d5\u3067\u5b9a\u671f\u7684\u306b\u898b\u76f4\u3059\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/haveibeenpwned.com\/NotifyMe\">HaveIBeenPwned<\/a>\u306e\u901a\u77e5\u30b5\u30fc\u30d3\u30b9\u306b\u767b\u9332\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3059\u308b\u3002\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u306b\u3042\u305f\u308a\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u306a\u304a\u3001GitHub\u30a2\u30ab\u30a6\u30f3\u30c8\u30672\u8981\u7d20\u8a8d\u8a3c\u3092\u307e\u3060\u8a2d\u5b9a\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u8a2d\u5b9a\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001[Security]\u30bf\u30d6\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306e\u305f\u3081GitHub\u306b\u304a\u3051\u308b2\u8981\u7d20\u8a8d\u8a3c\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n","protected":false},"author":1284,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false},"categories":[22,31],"tags":[],"coauthors":[],"class_list":["post-1675","post","type-post","status-publish","format-standard","hentry","category-community","category-engineering"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30ea\u30ab\u30d0\u30ea\u6027\u3092\u9ad8\u3081\u308b\u65b0\u30b5\u30fc\u30d3\u30b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9 - GitHub\u30d6\u30ed\u30b0<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog-github-com-develop.go-vip.co\/jp\/2018-08-07-new-improvements-and-best-practices-for-account-security-and-recoverability\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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