{"id":478076,"date":"2023-08-09T09:27:06","date_gmt":"2023-08-09T09:27:06","guid":{"rendered":""},"modified":"2023-09-05T11:16:01","modified_gmt":"2023-09-05T11:16:01","slug":"multi-factor-authentication-mfa","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/multi-factor-authentication-mfa\/","title":{"rendered":"\u591a\u8981\u7d20\u8a8d\u8a3c (MFA)"},"content":{"rendered":"<h2>\u5c0e\u5165<\/h2>\n<p>\u591a\u8981\u7d20\u8a8d\u8a3c (MFA) \u306f\u3001\u30aa\u30f3\u30e9\u30a4\u30f3 \u30a2\u30ab\u30a6\u30f3\u30c8\u3068\u30b7\u30b9\u30c6\u30e0\u306b\u3055\u3089\u306a\u308b\u4fdd\u8b77\u5c64\u3092\u8ffd\u52a0\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u5f37\u529b\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306b\u8907\u6570\u306e\u5f62\u5f0f\u306e ID \u306e\u63d0\u4f9b\u3092\u8981\u6c42\u3059\u308b\u3053\u3068\u3067\u3001MFA \u306f\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u30ea\u30b9\u30af\u3092\u5927\u5e45\u306b\u8efd\u6e1b\u3057\u3001Web \u30b5\u30a4\u30c8\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f53\u5236\u3092\u5f37\u5316\u3057\u307e\u3059\u3002\u5927\u624b\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e OneProxy (oneproxy.pro) \u306f\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u5b89\u5168\u306a\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u4e0a\u3067\u306e MFA \u306e\u91cd\u8981\u6027\u3092\u8a8d\u8b58\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u591a\u8981\u7d20\u8a8d\u8a3c (MFA) \u306e\u6b74\u53f2<\/h2>\n<p>\u591a\u8981\u7d20\u8a8d\u8a3c\u306e\u6982\u5ff5\u306f\u3001\u4eba\u3005\u304c\u8907\u6570\u306e\u65b9\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u672c\u4eba\u78ba\u8a8d\u3092\u884c\u3063\u3066\u3044\u305f\u53e4\u4ee3\u306b\u307e\u3067\u9061\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001MFA \u304c\u521d\u3081\u3066\u6b63\u5f0f\u306b\u8a00\u53ca\u3055\u308c\u305f\u306e\u306f\u30011960 \u5e74\u4ee3\u304b\u3089 1970 \u5e74\u4ee3\u306e\u521d\u671f\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf \u30b7\u30b9\u30c6\u30e0\u307e\u3067\u9061\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u6642\u4ee3\u3001\u30e1\u30a4\u30f3\u30d5\u30ec\u30fc\u30e0 \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u3084\u7269\u7406\u30c8\u30fc\u30af\u30f3\u306a\u3069\u30012 \u3064\u4ee5\u4e0a\u306e\u8a8d\u8a3c\u8981\u7d20\u3092\u63d0\u4f9b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u300c\u591a\u8981\u7d20\u8a8d\u8a3c\u300d\u3068\u3044\u3046\u7528\u8a9e\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30d0\u30f3\u30ad\u30f3\u30b0\u3084\u96fb\u5b50\u5546\u53d6\u5f15\u306e\u53f0\u982d\u306b\u3088\u308a\u3001\u3088\u308a\u5f37\u529b\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u5fc5\u8981\u6027\u304c\u660e\u3089\u304b\u306b\u306a\u3063\u305f 1990 \u5e74\u4ee3\u5f8c\u534a\u306b\u4eba\u6c17\u3092\u535a\u3057\u307e\u3057\u305f\u3002<\/p>\n<h2>\u591a\u8981\u7d20\u8a8d\u8a3c (MFA) \u306e\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>\u591a\u8981\u7d20\u8a8d\u8a3c\u306f\u3001\u300c\u77e5\u3063\u3066\u3044\u308b\u3053\u3068\u3001\u6301\u3063\u3066\u3044\u308b\u3082\u306e\u3001\u305d\u3057\u3066\u3042\u306a\u305f\u81ea\u8eab\u300d\u3068\u3044\u3046\u539f\u5247\u306b\u57fa\u3065\u3044\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002MFA \u3067\u4f7f\u7528\u3055\u308c\u308b\u4e00\u822c\u7684\u306a 3 \u3064\u306e\u8981\u7d20\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li><strong>\u77e5\u8b58\u8981\u56e0<\/strong>: \u30d1\u30b9\u30ef\u30fc\u30c9\u3001PIN\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8cea\u554f\u306a\u3069\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u307f\u304c\u77e5\u3063\u3066\u3044\u308b\u60c5\u5831\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u30dd\u30bc\u30c3\u30b7\u30e7\u30f3\u4fc2\u6570<\/strong>: \u3053\u308c\u306b\u306f\u3001\u30e2\u30d0\u30a4\u30eb \u30c7\u30d0\u30a4\u30b9\u3001\u30b9\u30de\u30fc\u30c8 \u30ab\u30fc\u30c9\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2 \u30c8\u30fc\u30af\u30f3\u306a\u3069\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6240\u6709\u3059\u308b\u3082\u306e\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u5185\u5728\u56e0\u5b50<\/strong>: \u3053\u308c\u306f\u3001\u6307\u7d0b\u3001\u8679\u5f69\u30b9\u30ad\u30e3\u30f3\u3001\u9854\u8a8d\u8b58\u306a\u3069\u3001\u500b\u4eba\u304c\u6301\u3064\u56fa\u6709\u306e\u751f\u7269\u5b66\u7684\u7279\u6027\u3092\u6307\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>\u591a\u8981\u7d20\u8a8d\u8a3c (MFA) \u306e\u5185\u90e8\u69cb\u9020<\/h2>\n<p>MFA \u306e\u52d5\u4f5c\u306b\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u8a8d\u8a3c\u8981\u7d20\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u30e6\u30fc\u30b6\u30fc\u306e ID \u3092\u78ba\u8a8d\u3059\u308b\u4e00\u9023\u306e\u624b\u9806\u304c\u542b\u307e\u308c\u307e\u3059\u3002MFA \u306e\u5185\u90e8\u69cb\u9020\u306e\u6982\u8981\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li><strong>\u30a4\u30cb\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3<\/strong>: \u30e6\u30fc\u30b6\u30fc\u304c\u30b7\u30b9\u30c6\u30e0\u306b\u30ed\u30b0\u30a4\u30f3\u307e\u305f\u306f\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001MFA \u30d7\u30ed\u30bb\u30b9\u304c\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u8b58\u5225<\/strong>: \u30e6\u30fc\u30b6\u30fc\u306f\u6700\u521d\u306e\u8a8d\u8a3c\u8981\u7d20\uff08\u901a\u5e38\u306f\u30e6\u30fc\u30b6\u30fc\u540d\u307e\u305f\u306f\u96fb\u5b50\u30e1\u30fc\u30eb \u30a2\u30c9\u30ec\u30b9\uff09\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u8a8d\u8a3c<\/strong>: \u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u63d0\u4f9b\u3059\u308b\u77e5\u8b58\u8981\u7d20 (\u30d1\u30b9\u30ef\u30fc\u30c9) \u3092\u691c\u8a3c\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u4e8c\u6b21\u8981\u56e0<\/strong>: \u8a8d\u8a3c\u304c\u6210\u529f\u3059\u308b\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u306f 2 \u756a\u76ee\u306e\u8981\u7d20 (\u30e6\u30fc\u30b6\u30fc\u306e\u30e2\u30d0\u30a4\u30eb \u30c7\u30d0\u30a4\u30b9\u306b\u9001\u4fe1\u3055\u308c\u308b\u30ef\u30f3\u30bf\u30a4\u30e0 \u30d1\u30b9\u30b3\u30fc\u30c9\u306a\u3069) \u306e\u5165\u529b\u3092\u6c42\u3081\u307e\u3059\u3002<\/li>\n<li><strong>\u691c\u8a3c<\/strong>: \u30e6\u30fc\u30b6\u30fc\u306e\u6240\u6709\u8981\u7d20\u304c\u691c\u8a3c\u3055\u308c\u3001\u691c\u8a3c\u304c\u6210\u529f\u3059\u308b\u3068\u30a2\u30af\u30bb\u30b9\u304c\u8a31\u53ef\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u4e09\u6b21\u8981\u56e0<\/strong>\u4e00\u90e8\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306e\u305f\u3081\u306b\u751f\u4f53\u8a8d\u8a3c\u306a\u3069\u306e\u7b2c 3 \u306e\u8981\u7d20\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>\u591a\u8981\u7d20\u8a8d\u8a3c (MFA) \u306e\u4e3b\u306a\u6a5f\u80fd\u306e\u5206\u6790<\/h2>\n<p>\u591a\u8981\u7d20\u8a8d\u8a3c\u306b\u306f\u3001\u5f93\u6765\u306e\u5358\u4e00\u8981\u7d20\u8a8d\u8a3c\u65b9\u6cd5\u3068\u306f\u7570\u306a\u308b\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316<\/strong>: MFA \u3067\u306f\u3001\u8a8d\u8a3c\u306b\u8907\u6570\u306e\u8981\u7d20\u3092\u8981\u6c42\u3059\u308b\u3053\u3068\u3067\u3001\u305f\u3068\u3048 1 \u3064\u306e\u8981\u7d20\u304c\u4fb5\u5bb3\u3055\u308c\u305f\u3068\u3057\u3066\u3082\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u30ea\u30b9\u30af\u304c\u5927\u5e45\u306b\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u67d4\u8edf\u6027<\/strong>MFA \u306f\u3055\u307e\u3056\u307e\u306a\u8a8d\u8a3c\u65b9\u6cd5\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u7d44\u7e54\u306f\u30e6\u30fc\u30b6\u30fc\u306b\u6700\u9069\u306a\u8981\u7d20\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u4f7f\u3044\u3084\u3059\u3044<\/strong>: \u8ffd\u52a0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30ec\u30a4\u30e4\u30fc\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u6700\u65b0\u306e MFA \u5b9f\u88c5\u306f\u30e6\u30fc\u30b6\u30fc \u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u3067\u4fbf\u5229\u306a\u3082\u306e\u3092\u76ee\u6307\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u4f01\u696d\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9<\/strong>\u591a\u304f\u306e\u696d\u754c\u3084\u7ba1\u8f44\u533a\u57df\u3067\u306f\u3001\u30c7\u30fc\u30bf\u4fdd\u8b77\u898f\u5236\u306e\u4e00\u90e8\u3068\u3057\u3066 MFA \u304c\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u3066\u304a\u308a\u3001\u898f\u5236\u9075\u5b88\u306b\u306f\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/li>\n<\/ol>\n<h2>\u591a\u8981\u7d20\u8a8d\u8a3c (MFA) \u306e\u7a2e\u985e<\/h2>\n<p>MFA \u306f\u3001\u4f7f\u7528\u3055\u308c\u308b\u8a8d\u8a3c\u8981\u7d20\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u57fa\u3065\u3044\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u4e00\u822c\u7684\u306a MFA \u306e\u30bf\u30a4\u30d7\u3092\u3044\u304f\u3064\u304b\u793a\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30bf\u30a4\u30d7<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4e8c\u8981\u7d20\u8a8d\u8a3c (2FA)<\/td>\n<td>\u901a\u5e38\u306f\u30d1\u30b9\u30ef\u30fc\u30c9 (\u77e5\u8b58\u8981\u7d20) \u3068\u30ef\u30f3\u30bf\u30a4\u30e0 \u30d1\u30b9\u30b3\u30fc\u30c9 (\u6240\u6709\u8981\u7d20) \u306e 2 \u3064\u306e\u7570\u306a\u308b\u8981\u7d20\u3092\u7d44\u307f\u5408\u308f\u305b\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>3\u8981\u7d20\u8a8d\u8a3c\uff083FA\uff09<\/td>\n<td>2FA \u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u30013 \u756a\u76ee\u306e\u8981\u7d20 (\u591a\u304f\u306e\u5834\u5408\u3001\u751f\u4f53\u8a8d\u8a3c\u7279\u6027 (\u56fa\u6709\u8981\u7d20)) \u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30ea\u30b9\u30af\u30d9\u30fc\u30b9\u8a8d\u8a3c<\/td>\n<td>\u30e6\u30fc\u30b6\u30fc\u306e\u884c\u52d5\u3068\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8 \u30c7\u30fc\u30bf\u3092\u5206\u6790\u3057\u3066\u3001\u5fc5\u8981\u306a\u8a8d\u8a3c\u30ec\u30d9\u30eb\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u6642\u9593\u30d9\u30fc\u30b9\u306e\u30ef\u30f3\u30bf\u30a4\u30e0\u30d1\u30b9\u30ef\u30fc\u30c9 (TOTP)<\/td>\n<td>Google Authenticator \u306a\u3069\u306e\u30a2\u30d7\u30ea\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u3001\u6642\u9593\u5236\u9650\u306e\u3042\u308b\u30d1\u30b9\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u591a\u8981\u7d20\u8a8d\u8a3c\uff08MFA\uff09\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u554f\u984c\u70b9\u3001\u89e3\u6c7a\u7b56<\/h2>\n<p>MFA \u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3055\u307e\u3056\u307e\u306a\u30b7\u30ca\u30ea\u30aa\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u30aa\u30f3\u30e9\u30a4\u30f3\u30a2\u30ab\u30a6\u30f3\u30c8<\/strong>: \u96fb\u5b50\u30e1\u30fc\u30eb \u30b5\u30fc\u30d3\u30b9\u3001\u30bd\u30fc\u30b7\u30e3\u30eb \u30e1\u30c7\u30a3\u30a2\u3001\u9280\u884c\u306e Web \u30b5\u30a4\u30c8\u306a\u3069\u306e\u4e00\u822c\u7684\u306a\u30aa\u30f3\u30e9\u30a4\u30f3 \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc \u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b MFA \u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>: \u7d44\u7e54\u306f MFA \u3092\u4f7f\u7528\u3057\u3066\u3001\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3001\u30af\u30e9\u30a6\u30c9 \u30b5\u30fc\u30d3\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002<\/li>\n<li><strong>VPN\u3068\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9<\/strong>MFA \u306f\u3001\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30ea\u30e2\u30fc\u30c8 \u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30b5\u30fc\u30d3\u30b9\u3078\u306e\u5b89\u5168\u306a\u30a2\u30af\u30bb\u30b9\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u96fb\u5b50\u5546\u53d6\u5f15\u53d6\u5f15<\/strong>MFA \u306f\u30aa\u30f3\u30e9\u30a4\u30f3\u53d6\u5f15\u3092\u4fdd\u8b77\u3057\u3001\u4e0d\u6b63\u884c\u70ba\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u305f\u3060\u3057\u3001MFA \u306b\u306f\u8ab2\u984c\u304c\u306a\u3044\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<ul>\n<li><strong>\u30e6\u30fc\u30b6\u30fc\u306e\u63a1\u7528<\/strong>: \u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306f MFA \u3092\u9762\u5012\u3060\u3068\u611f\u3058\u3066\u304a\u308a\u3001\u63a1\u7528\u7387\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30c7\u30d0\u30a4\u30b9\u3078\u306e\u4f9d\u5b58<\/strong>: \u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306a\u3069\u306e\u6240\u6709\u7269\u306f\u7d1b\u5931\u3057\u305f\u308a\u76d7\u96e3\u306b\u3042\u3063\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30a2\u30af\u30bb\u30b9\u306e\u554f\u984c\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u653b\u6483<\/strong>: \u9ad8\u5ea6\u306a\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u653b\u6483\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u9a19\u3057\u3066 MFA \u30b3\u30fc\u30c9\u3092\u958b\u793a\u3055\u305b\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4fb5\u5bb3\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001\u7d44\u7e54\u306f\u30e6\u30fc\u30b6\u30fc\u6559\u80b2\u3092\u63a8\u9032\u3057\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u8a8d\u8a3c\u65b9\u6cd5\u3092\u5b9f\u88c5\u3057\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u5bfe\u7b56\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5358\u4e00\u8981\u7d20\u8a8d\u8a3c<\/td>\n<td>\u901a\u5e38\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3069\u306e\u5358\u4e00\u306e\u8b58\u5225\u5f62\u5f0f\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u8981\u7d20\u8a8d\u8a3c<\/td>\n<td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306b 2 \u3064\u4ee5\u4e0a\u306e\u8a8d\u8a3c\u8981\u7d20\u304c\u5fc5\u8981\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>2\u8981\u7d20\u8a8d\u8a3c<\/td>\n<td>\u8a8d\u8a3c\u306b 2 \u3064\u306e\u7570\u306a\u308b\u8981\u7d20\u3092\u5229\u7528\u3059\u308b\u7279\u5b9a\u306e\u30bf\u30a4\u30d7\u306e MFA\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u751f\u4f53\u8a8d\u8a3c<\/td>\n<td>\u8b58\u5225\u306b\u56fa\u6709\u306e\u751f\u7269\u5b66\u7684\u7279\u6027\u3092\u4f7f\u7528\u3059\u308b MFA \u306e\u30b5\u30d6\u30bb\u30c3\u30c8 (\u56fa\u6709\u8981\u56e0)\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30d1\u30b9\u30ef\u30fc\u30c9\u30ec\u30b9\u8a8d\u8a3c<\/td>\n<td>\u751f\u4f53\u8a8d\u8a3c\u3084\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2 \u30c8\u30fc\u30af\u30f3\u306a\u3069\u306e\u4ee3\u66ff\u65b9\u6cd5\u3092\u4f7f\u7528\u3057\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u6392\u9664\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u591a\u8981\u7d20\u8a8d\u8a3c\uff08MFA\uff09\u306b\u95a2\u3059\u308b\u5c55\u671b\u3068\u5c06\u6765\u306e\u6280\u8853<\/h2>\n<p>\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u9032\u6b69\u3059\u308b\u306b\u3064\u308c\u3066\u3001MFA \u306f\u6b21\u306e\u89b3\u70b9\u304b\u3089\u9032\u5316\u3057\u3066\u3044\u304f\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u751f\u4f53\u8a8d\u8a3c\u306e\u9032\u6b69<\/strong>\u751f\u4f53\u8a8d\u8a3c\u306f\u3088\u308a\u6d17\u7df4\u3055\u308c\u3001\u5e83\u304f\u63a1\u7528\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u7cbe\u5ea6\u3068\u5229\u4fbf\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u7d99\u7d9a\u7684\u306a\u8a8d\u8a3c<\/strong>: \u30b7\u30b9\u30c6\u30e0\u306f\u3001\u983b\u7e41\u306a\u30ed\u30b0\u30a4\u30f3\u306a\u3057\u3067\u5b89\u5168\u306a\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u884c\u52d5\u3068\u751f\u4f53\u8a8d\u8a3c\u30c7\u30fc\u30bf\u3092\u7d99\u7d9a\u7684\u306b\u76e3\u8996\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u8a8d\u8a3c<\/strong>: \u6a19\u6e96\u5316\u3055\u308c\u305f\u8a8d\u8a3c\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3088\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3084\u30c7\u30d0\u30a4\u30b9\u9593\u3067\u30b7\u30fc\u30e0\u30ec\u30b9\u306a MFA \u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u304c\u591a\u8981\u7d20\u8a8d\u8a3c (MFA) \u3068\u95a2\u9023\u4ed8\u3051\u3089\u308c\u308b\u65b9\u6cd5<\/h2>\n<p>OneProxy \u304c\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306a\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001MFA \u5b9f\u88c5\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u533f\u540d\u6027\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc<\/strong>: \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u30e6\u30fc\u30b6\u30fc\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u30de\u30b9\u30af\u3057\u3001MFA \u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306e\u8ffd\u52a0\u30ec\u30a4\u30e4\u30fc\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u5730\u7406\u7684\u591a\u69d8\u6027<\/strong>: \u3055\u307e\u3056\u307e\u306a\u5834\u6240\u306b\u3042\u308b OneProxy \u306e\u30b5\u30fc\u30d0\u30fc\u306b\u3088\u308a\u3001\u7d44\u7e54\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u5730\u7406\u7684\u306a\u5834\u6240\u306b\u57fa\u3065\u3044\u3066 MFA \u3092\u5b9f\u88c5\u3057\u3001\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30ec\u30a4\u30e4\u30fc\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u591a\u8981\u7d20\u8a8d\u8a3c (MFA) \u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/www.nist.gov\/topics\/multi-factor-authentication-mfa\" target=\"_new\" rel=\"noopener nofollow\">\u30a2\u30e1\u30ea\u30ab\u56fd\u7acb\u6a19\u6e96\u6280\u8853\u7814\u7a76\u6240 (NIST) \u2013 \u591a\u8981\u7d20\u8a8d\u8a3c<\/a><\/li>\n<li><a href=\"https:\/\/docs.microsoft.com\/en-us\/azure\/active-directory\/authentication\/concept-mfa-howitworks\" target=\"_new\" rel=\"noopener nofollow\">Microsoft \u2013 \u591a\u8981\u7d20\u8a8d\u8a3c<\/a><\/li>\n<li><a href=\"https:\/\/www.google.com\/landing\/2step\/\" target=\"_new\" rel=\"noopener nofollow\">Google \u2013 2\u6bb5\u968e\u8a8d\u8a3c<\/a><\/li>\n<\/ol>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u591a\u8981\u7d20\u8a8d\u8a3c (MFA) \u306f\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3084\u30c7\u30fc\u30bf\u4fb5\u5bb3\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3092\u5f37\u5316\u3059\u308b\u3001\u73fe\u4ee3\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u91cd\u8981\u306a\u8981\u7d20\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u9032\u5316\u3057\u7d9a\u3051\u308b\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u3001OneProxy \u306e\u3088\u3046\u306a\u696d\u754c\u30ea\u30fc\u30c0\u30fc\u306e\u53d6\u308a\u7d44\u307f\u306b\u3088\u308a\u3001MFA \u306e\u5c06\u6765\u306f\u3001\u3088\u308a\u5b89\u5168\u3067\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u30c7\u30b8\u30bf\u30eb\u4e16\u754c\u3078\u306e\u6709\u671b\u306a\u5c55\u671b\u3092\u79d8\u3081\u3066\u3044\u307e\u3059\u3002<\/p>","protected":false},"featured_media":468951,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478076","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Multi-Factor Authentication (MFA): Enhancing Security and Protecting Online Identities<\/mark>","faq_items":[{"question":"What is Multi-Factor Authentication (MFA)?","answer":"<p>Multi-Factor Authentication (MFA) is a robust security mechanism that requires users to provide multiple forms of identification to access online accounts and systems. By combining different factors like passwords, mobile devices, and biometric traits, MFA enhances security and protects against unauthorized access.<\/p>"},{"question":"How did Multi-Factor Authentication (MFA) originate?","answer":"<p>The concept of MFA can be traced back to the 1960s and 1970s, with the first formal mention in early computer systems. It gained popularity in the late 1990s due to the rise of internet banking and e-commerce, where the need for stronger security measures became evident.<\/p>"},{"question":"How does Multi-Factor Authentication (MFA) work?","answer":"<p>MFA operates on the principle of \"something you know, something you have, and something you are.\" Users provide different factors like passwords (knowledge), mobile devices (possession), and biometric traits (inherence) for verification, adding an extra layer of protection.<\/p>"},{"question":"What are the key features of Multi-Factor Authentication (MFA)?","answer":"<p>MFA offers enhanced security by requiring multiple authentication factors, ensuring flexibility in choosing suitable methods, user-friendliness, and compliance with data protection regulations.<\/p>"},{"question":"What types of Multi-Factor Authentication (MFA) exist?","answer":"<p>Various types of MFA include Two-Factor Authentication (2FA), Three-Factor Authentication (3FA), Risk-Based Authentication, and Time-Based One-Time Password (TOTP). Each type combines different authentication factors for heightened security.<\/p>"},{"question":"Where can Multi-Factor Authentication (MFA) be used?","answer":"<p>MFA finds application in online accounts (email, social media, banking), enterprise security, VPN and remote access, and e-commerce transactions, safeguarding user data and preventing fraud.<\/p>"},{"question":"What are the challenges with Multi-Factor Authentication (MFA)?","answer":"<p>While MFA strengthens security, challenges include user adoption, reliance on devices for possession factors, and the risk of phishing attacks. Proper user education, backup authentication methods, and anti-phishing measures help address these issues.<\/p>"},{"question":"What is the future of Multi-Factor Authentication (MFA)?","answer":"<p>The future of MFA holds advancements in biometrics, continuous authentication, and universal authentication protocols for seamless security across platforms and devices.<\/p>"},{"question":"How are proxy servers associated with Multi-Factor Authentication (MFA)?","answer":"<p>Proxy servers, like those provided by OneProxy, enhance MFA by adding anonymity, privacy, and geographical diversity to the authentication process, ensuring a secure browsing experience.<\/p>"},{"question":"Where can I find more information about Multi-Factor Authentication (MFA)?","answer":"<p>For more insights into MFA, you can explore resources like the National Institute of Standards and Technology (NIST), Microsoft's documentation on MFA, and Google's 2-Step Verification page. Additionally, OneProxy, your trusted proxy server provider, offers valuable information about MFA on their website.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/478076","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/478076\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/468951"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=478076"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}