{"id":32502,"date":"2026-05-06T12:31:06","date_gmt":"2026-05-06T12:31:06","guid":{"rendered":"https:\/\/itbusinesstoday.com\/?p=32502"},"modified":"2026-05-06T12:31:06","modified_gmt":"2026-05-06T12:31:06","slug":"continuous-authentication-the-shift-toward-behavior-based-security-in-enterprise-systems","status":"publish","type":"post","link":"https:\/\/itbusinesstoday.com\/ja\/tech\/cybersecurity\/continuous-authentication-the-shift-toward-behavior-based-security-in-enterprise-systems\/","title":{"rendered":"\u7d99\u7d9a\u7684\u8a8d\u8a3c\uff1a\u4f01\u696d\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u884c\u52d5\u30d9\u30fc\u30b9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3078\u306e\u30b7\u30d5\u30c8"},"content":{"rendered":"

\u7d99\u7d9a\u8a8d\u8a3c\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u6642\u3060\u3051\u3067\u306a\u304f\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u9593\u4e2d\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u672c\u5f53\u306b\u540c\u4e00\u4eba\u7269\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u7d9a\u3051\u308b\u65b9\u6cd5\u3067\u3059\u3002\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u9759\u304b\u306b\u5b9f\u884c\u3055\u308c\u3001\u4f55\u304b\u304c\u304a\u304b\u3057\u3044\u3068\u611f\u3058\u305f\u77ac\u9593\u306b\u53cd\u5fdc\u3057\u307e\u3059\u3002.<\/p>\n

\u4eca\u65e5\u3067\u3082\u3001\u307b\u3068\u3093\u3069\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u5358\u7d14\u306a\u8003\u3048\u3067\u52d5\u3044\u3066\u3044\u307e\u3059\u3002\u4e00\u5ea6\u30ed\u30b0\u30a4\u30f3\u3059\u308c\u3070\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u7372\u5f97\u3002\u305d\u306e\u5f8c\u3001\u30ed\u30b0\u30a2\u30a6\u30c8\u3059\u308b\u307e\u3067\u4fe1\u983c\u3055\u308c\u307e\u3059\u3002\u7d19\u306e\u4e0a\u3067\u306f\u3046\u307e\u304f\u805e\u3053\u3048\u307e\u3059\u3002\u3057\u304b\u3057\u73fe\u5b9f\u306b\u306f\u3001\u3053\u3053\u3067\u554f\u984c\u304c\u8d77\u3053\u308a\u307e\u3059\u3002.<\/p>\n

\u653b\u6483\u8005\u306f\u5e38\u306b\u4fb5\u5165\u3057\u3066\u304f\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5f85\u3061\u69cb\u3048\u308b\u306e\u3067\u3059\u3002\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u4e57\u3063\u53d6\u308b\u306e\u3067\u3059\u3002\u3042\u308b\u3044\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u5f8c\u306b\u5fcd\u3073\u8fbc\u3080\u306e\u3067\u3059\u3002\u3044\u3063\u305f\u3093\u4fb5\u5165\u3055\u308c\u308b\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u898b\u308c\u3070\u3059\u3079\u3066\u304c\u6b63\u5e38\u306b\u898b\u3048\u307e\u3059\u3002\u305d\u308c\u304c\u554f\u984c\u306a\u306e\u3067\u3059\u3002.<\/p>\n

\u3053\u3061\u3089\u3082\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\uff1a \u610f\u601d\u6c7a\u5b9a\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u30b7\u30b9\u30c6\u30e0\uff1a\u65e5\u672c\u4f01\u696d\u306f\u3044\u304b\u306b\u3057\u3066\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3092\u8d85\u3048\u3066\u81ea\u5f8b\u7684\u306a\u6d1e\u5bdf\u3078\u3068\u79fb\u884c\u3057\u3064\u3064\u3042\u308b\u306e\u304b<\/a><\/h4>\n

\u305d\u306e\u5f71\u97ff\u306f\u6c7a\u3057\u3066\u5c0f\u3055\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u91d1\u92ad\u3001\u8a55\u5224\u3001\u696d\u52d9\u3092\u540c\u6642\u306b\u76f4\u6483\u3057\u307e\u3059\u30022024\u5e74\u3001\u30c7\u30fc\u30bf\u4fb5\u5bb3\u306e\u5e73\u5747\u30b3\u30b9\u30c8\u306f$488\u4e07\u30c9\u30eb\u306b\u9054\u3057\u3001\u4fb5\u5bb3\u306e82%\u306f\u6f0f\u3048\u3044\u3057\u305f\u8a8d\u8a3c\u60c5\u5831\u306b\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002 \u30a2\u30a4\u30d3\u30fc\u30a8\u30e0<\/a>.<\/p>\n

\u3067\u3059\u304b\u3089\u3001\u30e2\u30c7\u30eb\u3092\u5909\u3048\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u305d\u3053\u3067\u3001\u7d99\u7d9a\u7684\u8a8d\u8a3c\u306e\u767b\u5834\u3067\u3059\u3002\u4e00\u5ea6\u3060\u3051\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u3092\u884c\u3046\u306e\u3067\u306f\u306a\u304f\u3001\u5e38\u306b\u76e3\u8996\u3057\u7d9a\u3051\u308b\u306e\u3067\u3059\u3002\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u9759\u304b\u306b\u30c1\u30a7\u30c3\u30af\u3057\u7d9a\u3051\u308b\u3088\u3046\u306a\u3082\u306e\u3060\u3068\u8003\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u30ce\u30a4\u30ba\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7d76\u3048\u9593\u306a\u3044\u4e2d\u65ad\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u5e38\u306b\u30a2\u30af\u30c6\u30a3\u30d6\u3067\u3059\u3002.<\/p>\n

\u884c\u52d5\u30d9\u30fc\u30b9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u89e3\u5256\u5b66<\/h2>\n

\u3053\u3053\u3067\u306e\u8003\u3048\u65b9\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u6700\u9ad8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6bce\u79d2\u611f\u3058\u306a\u3044\u3082\u306e\u3067\u3059\u3002.<\/p>\n

\u7d99\u7d9a\u7684\u8a8d\u8a3c\u306f\u3001\u4e3b\u306b\u53d7\u52d5\u7684\u306a\u30b7\u30b0\u30ca\u30eb\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u4f55\u5ea6\u3082\u8a3c\u660e\u3059\u308b\u3088\u3046\u6c42\u3081\u7d9a\u3051\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30d1\u30bf\u30fc\u30f3\u3092\u89b3\u5bdf\u3059\u308b\u3060\u3051\u3067\u3059\u3002.<\/p>\n

\u3055\u3066\u3001\u4fe1\u53f7\u306b\u306f2\u3064\u306e\u30bf\u30a4\u30d7\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u3082\u306e\u3068\u30d1\u30c3\u30b7\u30d6\u306a\u3082\u306e\u3067\u3059\u3002\u80fd\u52d5\u7684\u306a\u30b7\u30b0\u30ca\u30eb\u3068\u306f\u3001OTP\u3084 \u30d0\u30a4\u30aa\u30e1\u30c8\u30ea\u30af\u30b9<\/a> \u30e6\u30fc\u30b6\u30fc\u304c\u4f55\u304b\u3092\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u5834\u6240\u3002\u30d1\u30c3\u30b7\u30d6\u30b7\u30b0\u30ca\u30eb\u306f\u9055\u3044\u307e\u3059\u3002\u305f\u3060\u8d77\u3053\u308b\u3082\u306e\u3067\u3059\u3002.<\/p>\n

\u4f8b\u3048\u3070\u30bf\u30a4\u30d4\u30f3\u30b0\u3002\u30bf\u30a4\u30d4\u30f3\u30b0\u306f\u4eba\u305d\u308c\u305e\u308c\u3067\u3059\u3002\u3042\u308b\u4eba\u306f\u3082\u3063\u3068\u9593\u3092\u7f6e\u304d\u307e\u3059\u3002\u3042\u308b\u4eba\u306f\u901f\u304f\u30bf\u30a4\u30d7\u3057\u3001\u3042\u308b\u4eba\u306f\u4fee\u6b63\u3057\u307e\u3059\u3002\u305d\u306e\u3088\u3046\u306a\u30d1\u30bf\u30fc\u30f3\u304c\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u84c4\u7a4d\u3055\u308c\u3066\u3044\u304d\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306f\u305d\u308c\u3092\u62fe\u3044\u307e\u3059\u3002.<\/p>\n

\u305d\u308c\u304b\u3089\u30de\u30a6\u30b9\u306e\u52d5\u304d\u3002\u57fa\u672c\u7684\u306a\u3053\u3068\u306e\u3088\u3046\u306b\u805e\u3053\u3048\u307e\u3059\u304c\u3001\u305d\u3046\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4eba\u9593\u306f\u30ab\u30fc\u30bd\u30eb\u3092\u5c11\u3057\u4e71\u96d1\u3067\u81ea\u7136\u306a\u65b9\u6cd5\u3067\u52d5\u304b\u3057\u307e\u3059\u3002\u30dc\u30c3\u30c8\u3084\u653b\u6483\u8005\u306f\u591a\u304f\u306e\u5834\u5408\u3001\u76f4\u7dda\u3084\u4e88\u6e2c\u53ef\u80fd\u306a\u7dda\u3067\u52d5\u304d\u307e\u3059\u3002.<\/p>\n

\u30e2\u30d0\u30a4\u30eb\u6a5f\u5668\u3067\u306f\u3001\u3055\u3089\u306b\u9762\u767d\u304f\u306a\u308a\u307e\u3059\u3002\u643a\u5e2f\u96fb\u8a71\u306e\u6301\u3061\u65b9\u3001\u50be\u304d\u3001\u753b\u9762\u3078\u306e\u5727\u529b\u3001\u305d\u308c\u3089\u3059\u3079\u3066\u304c\u4fe1\u53f7\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u3053\u308c\u3089\u306f\u3059\u3079\u3066\u3001\u30c8\u30e9\u30b9\u30c8\u30b9\u30b3\u30a2\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u306b\u53cd\u6620\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u56fa\u5b9a\u3055\u308c\u305f\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5909\u5316\u3057\u7d9a\u3051\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u884c\u52d5\u304c\u4fe1\u983c\u3092\u5f37\u3081\u308b\u304b\u3001\u30d5\u30e9\u30b0\u3092\u7acb\u3066\u308b\u304b\u306e\u3069\u3061\u3089\u304b\u3067\u3059\u3002.<\/p>\n

\u3059\u3079\u3066\u304c\u6b63\u5e38\u306b\u898b\u3048\u308b\u5834\u5408\u306f\u3001\u4f55\u3082\u8d77\u3053\u308a\u307e\u305b\u3093\u3002\u30e6\u30fc\u30b6\u30fc\u306f\u4ed5\u4e8b\u3092\u7d9a\u3051\u307e\u3059\u3002\u4f55\u304b\u304c\u304a\u304b\u3057\u3044\u3068\u611f\u3058\u308c\u3070\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u53cd\u5fdc\u3057\u307e\u3059\u3002\u3044\u3064\u3082\u653b\u6483\u7684\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6642\u306b\u306f\u5c0f\u3055\u306a\u30c1\u30a7\u30c3\u30af\u3092\u3059\u308b\u3060\u3051\u3067\u3059\u3002\u3053\u308c\u304c\u7d99\u7d9a\u7684\u8a8d\u8a3c\u304c\u30d0\u30e9\u30f3\u30b9\u3092\u4fdd\u3064\u65b9\u6cd5\u3067\u3059\u3002.<\/p>\n

\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30fb\u30b7\u30b9\u30c6\u30e0\u304c\u30bc\u30ed\u30fb\u30c8\u30e9\u30b9\u30c8\u30fb\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u5411\u304b\u3046\u7406\u7531<\/h2>\n

\u591a\u304f\u306e\u4f01\u696d\u304c\u591a\u8981\u7d20\u8a8d\u8a3c\u3067\u554f\u984c\u304c\u89e3\u6c7a\u3057\u305f\u3068\u8003\u3048\u3066\u3044\u307e\u3057\u305f\u3002\u305d\u308c\u304c\u52a9\u3051\u306b\u306a\u3063\u305f\u306e\u306f\u9593\u9055\u3044\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u653b\u6483\u8005\u306f\u8abf\u6574\u3057\u307e\u3057\u305f\u3002.<\/p>\n

MFA\u3055\u3048\u3082\u8fc2\u56de\u3067\u304d\u308b\u653b\u6483\u304c\u3042\u308a\u307e\u3059\u3002\u30bb\u30c3\u30b7\u30e7\u30f3\u30fb\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3002\u4e2d\u9593\u8005\u653b\u6483\u3002\u30ed\u30b0\u30a4\u30f3\u5f8c\u306b\u8d77\u3053\u308b\u3053\u3068\u3002\u3053\u308c\u304c\u5f93\u6765\u306e\u30b7\u30b9\u30c6\u30e0\u304c\u82e6\u6226\u3059\u308b\u3068\u3053\u308d\u3067\u3059\u3002.<\/p>\n

\u305d\u308c\u3067\u8003\u3048\u65b9\u304c\u5909\u308f\u308a\u307e\u3057\u305f\u3002\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u4e00\u5ea6\u78ba\u8a8d\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30c1\u30a7\u30c3\u30af\u3057\u7d9a\u3051\u308b\u3082\u306e\u3067\u3059\u3002.<\/p>\n

\u3053\u308c\u306f \u4fe1\u983c\u30bc\u30ed<\/a>. .\u8003\u3048\u65b9\u306f\u7c21\u5358\u3067\u3059\u3002\u4fe1\u7528\u3092\u6c7a\u3081\u3064\u3051\u306a\u3044\u3053\u3068\u3002\u5e38\u306b\u691c\u8a3c\u3059\u308b\u3053\u3068\u3002.<\/p>\n

NIST\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f\u3001\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u660e\u78ba\u306b\u63a8\u9032\u3057\u3066\u3044\u307e\u3059\u3002\u5f7c\u3089\u306f\u30011\u56de\u9650\u308a\u306e\u30c1\u30a7\u30c3\u30af\u306b\u983c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u7d99\u7d9a\u7684\u306a\u691c\u8a3c\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u540c\u6642\u306b\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u6587\u8108\u306b\u3064\u3044\u3066\u3088\u308a\u8ce2\u304f\u306a\u308a\u3064\u3064\u3042\u308a\u307e\u3059\u3002\u4f4d\u7f6e\u60c5\u5831\u306f\u91cd\u8981\u3002IP\u306e\u5909\u66f4\u306f\u91cd\u8981\u3002\u8ab0\u304b\u304c\u5834\u6240\u3092\u79fb\u52d5\u3059\u308b\u30b9\u30d4\u30fc\u30c9\u3082\u91cd\u8981\u3067\u3059\u3002\u3042\u308b\u56fd\u304b\u3089\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u4eba\u304c\u3001\u6570\u5206\u4ee5\u5185\u306b\u7a81\u7136\u5225\u306e\u56fd\u306b\u73fe\u308c\u305f\u3089\u3001\u305d\u308c\u306f\u666e\u901a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n

\u3053\u308c\u306f\u5358\u306a\u308b\u7406\u8ad6\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5e02\u5834\u306f\u3053\u306e\u65b9\u5411\u306b\u6025\u901f\u306b\u52d5\u3044\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u3067\u3059\u304b\u3089\u3001\u3053\u308c\u306f\u30cb\u30c3\u30c1\u306a\u5909\u5316\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6a19\u6e96\u7684\u306a\u3084\u308a\u65b9\u306b\u306a\u308a\u3064\u3064\u3042\u308b\u306e\u3067\u3059\u3002.<\/p>\n

\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30fb\u30b9\u30bf\u30c3\u30af\u5185\u90e8\u306e\u6280\u8853\u7684\u5b9f\u88c5<\/h2>\n

\"Continuous<\/p>\n

\u7d99\u7d9a\u7684\u8a8d\u8a3c\uff08Continuous Authentication\uff09\u3068\u805e\u304f\u3068\u3001\u5b9f\u88c5\u304c\u8907\u96d1\u3060\u3068\u601d\u308f\u308c\u304c\u3061\u3067\u3059\u3002\u7c21\u5358\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4e0d\u53ef\u80fd\u3067\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3001\u6bb5\u968e\u3092\u8e0f\u3093\u3067\u884c\u3046\u5fc5\u8981\u304c\u3042\u308b\u3060\u3051\u3067\u3059\u3002.<\/p>\n

\u307e\u305a\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u306e\u6bb5\u968e\u3002\u30b7\u30b9\u30c6\u30e0\u306f\u6b63\u5e38\u306a\u72b6\u614b\u304c\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u304b\u3092\u5b66\u3076\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u901a\u5e388\u56de\u304b\u308910\u56de\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u306e\u9593\u306b\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u5404\u30e6\u30fc\u30b6\u30fc\u306e\u884c\u52d5\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002.<\/p>\n

\u3053\u306e\u90e8\u5206\u306f\u91cd\u8981\u3067\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u304c\u6025\u3052\u3070\u507d\u967d\u6027\u304c\u51fa\u307e\u3059\u3002\u6642\u9593\u3092\u304b\u3051\u308c\u3070\u3001\u3088\u308a\u6b63\u78ba\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u6b21\u306b\u7d71\u5408\u3002\u7d99\u7d9a\u7684\u8a8d\u8a3c\u306f\u65e2\u5b58\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u7f6e\u304d\u63db\u3048\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u65e2\u5b58\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u63a5\u7d9a\u3059\u308b\u306e\u3067\u3059\u3002Okta\u3001Microsoft Entra ID\u3001Ping Identity\u306e\u3088\u3046\u306a\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u51fa\u756a\u3067\u3059\u3002API\u306b\u3088\u308a\u3001\u884c\u52d5\u30b7\u30b0\u30ca\u30eb\u3092\u65e2\u5b58\u306eID\u304a\u3088\u3073\u30a2\u30af\u30bb\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306b\u30d7\u30e9\u30b0\u30a4\u30f3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

\u305d\u3057\u3066\u5fdc\u7b54\u3002\u3053\u3053\u3067\u5b9f\u969b\u306b\u7269\u4e8b\u304c\u8d77\u3053\u308a\u307e\u3059\u3002.<\/p>\n

\u30ea\u30b9\u30af\u304c\u4f4e\u3044\u5834\u5408\u306f\u4f55\u3082\u5909\u308f\u308a\u307e\u305b\u3093\u3002\u30e6\u30fc\u30b6\u306f\u901a\u5e38\u901a\u308a\u7d9a\u884c\u3057\u307e\u3059\u3002.
\n\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u3063\u305f\u5834\u5408\u306f\u3001\u751f\u4f53\u8a8d\u8a3c\u306e\u3088\u3046\u306a\u7c21\u5358\u306a\u30c1\u30a7\u30c3\u30af\u3092\u6c42\u3081\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002.
\n\u30ea\u30b9\u30af\u304c\u9ad8\u3044\u5834\u5408\u306f\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u76f4\u3061\u306b\u505c\u6b62\u3057\u3001\u30d5\u30e9\u30b0\u3092\u7acb\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u306f\u771f\u306e\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306bAI\u3068\u81ea\u52d5\u5316\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u4f01\u696d\u306f\u3001\u5c0e\u5165\u3057\u3066\u3044\u306a\u3044\u4f01\u696d\u3088\u308a\u308298\u65e5\u65e9\u304f\u4fb5\u5bb3\u3092\u7279\u5b9a\u3057\u3001\u5c01\u3058\u8fbc\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u30a2\u30a4\u30d3\u30fc\u30a8\u30e0<\/a>.<\/p>\n

\u305d\u306e\u6642\u5dee\u304c\u3001\u9055\u53cd\u306e\u898f\u6a21\u3092\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u63a1\u7528\u3092\u4fc3\u9032\u3059\u308b\u30bb\u30af\u30bf\u30fc\u56fa\u6709\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/h2>\n

\u3069\u3093\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u3082\u3001\u5b9f\u969b\u306e\u72b6\u6cc1\u3067\u3069\u3046\u6a5f\u80fd\u3059\u308b\u304b\u304c\u672c\u5f53\u306e\u30c6\u30b9\u30c8\u3067\u3059\u3002.<\/p>\n

\u91d1\u878d\u696d\u754c\u3067\u306f\u3001\u4e0d\u6b63\u884c\u70ba\u304c\u3088\u308a\u8907\u96d1\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3082\u306f\u3084\u76d7\u307e\u308c\u305f\u30d1\u30b9\u30ef\u30fc\u30c9\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u73fe\u5728\u3001\u30d7\u30c3\u30b7\u30e5\u30da\u30a4\u30e1\u30f3\u30c8\u8a50\u6b3a\u304c\u5927\u304d\u306a\u554f\u984c\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306f\u9a19\u3055\u308c\u3066\u81ea\u5206\u81ea\u8eab\u3067\u9001\u91d1\u3057\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002.<\/p>\n

\u5f93\u6765\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u6709\u52b9\u306b\u898b\u3048\u308b\u305f\u3081\u3001\u3053\u308c\u3092\u898b\u9003\u3059\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u884c\u52d5\u30b7\u30b9\u30c6\u30e0\u306f\u9055\u3044\u307e\u3059\u3002\u8e8a\u8e87\u3001\u7570\u5e38\u306a\u30d1\u30bf\u30fc\u30f3\u3001\u307e\u305f\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u4e2d\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u3084\u308a\u53d6\u308a\u306e\u5909\u5316\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

\u4e00\u90e8\u306e\u91d1\u878d\u6a5f\u95a2\u3067\u306f\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u884c\u52d5\u76e3\u8996\u3092\u5229\u7528\u3057\u305f\u7d50\u679c\u3001\u4e0d\u6b63\u6c7a\u6e08\u304c\u6700\u592790\uff05\u6e1b\u5c11\u3057\u305f\u3068\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u533b\u7642\u306b\u304a\u3051\u308b\u8ab2\u984c\u306f\u3001\u30b9\u30d4\u30fc\u30c9\u3068\u30a2\u30af\u30bb\u30b9\u3067\u3059\u3002\u533b\u5e2b\u3084\u770b\u8b77\u5e2b\u306f\u4f55\u5ea6\u3082\u30ed\u30b0\u30a4\u30f3\u3057\u7d9a\u3051\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u5f7c\u3089\u304c\u6271\u3046\u30c7\u30fc\u30bf\u306f\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u3082\u306e\u3067\u3059\u3002\u7d99\u7d9a\u7684\u8a8d\u8a3c\u306f\u3001\u884c\u52d5\u3092\u76e3\u8996\u3057\u306a\u304c\u3089\u3082\u3001\u5e38\u306b\u4e2d\u65ad\u3059\u308b\u3053\u3068\u306a\u304f\u30a2\u30af\u30bb\u30b9\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/p>\n

\u30ea\u30e2\u30fc\u30c8\u30ef\u30fc\u30af\u306f\u3001\u3055\u3089\u306b\u5225\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u30db\u30fc\u30e0\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u500b\u4eba\u6240\u6709\u306e\u30c7\u30d0\u30a4\u30b9\u3001\u3055\u307e\u3056\u307e\u306a\u5834\u6240\u304b\u3089\u30b7\u30b9\u30c6\u30e0\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002\u7d99\u7d9a\u7684\u8a8d\u8a3c\u306f\u30ed\u30b0\u30a4\u30f3\u5f8c\u3082\u30c1\u30a7\u30c3\u30af\u3092\u7d9a\u3051\u308b\u305f\u3081\u3001\u8a8d\u8a3c\u60c5\u5831\u306e\u6f0f\u6d29\u306b\u3088\u308b\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002.<\/p>\n

\u3053\u308c\u3089\u3059\u3079\u3066\u306e\u30b1\u30fc\u30b9\u306b\u304a\u3044\u3066\u3001\u5909\u5316\u306f\u660e\u3089\u304b\u3067\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001\u5358\u306a\u308b\u8a8d\u8a3c\u60c5\u5831\u3088\u308a\u3082\u3001\u884c\u52d5\u306b\u95a2\u3059\u308b\u3082\u306e\u306b\u306a\u308a\u3064\u3064\u3042\u308b\u306e\u3067\u3059\u3002.<\/p>\n

\u7d99\u7d9a\u7684\u8a8d\u8a3c\u306b\u304a\u3051\u308b\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u8aa4\u691c\u77e5\u3078\u306e\u5bfe\u5fdc<\/h2>\n

\"Continuous<\/p>\n

\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306b\u95a2\u3059\u308b\u61f8\u5ff5\u306f\u3001\u3053\u3053\u3067\u3082\u3057\u3070\u3057\u3070\u8a71\u984c\u306b\u306e\u307c\u308a\u307e\u3059\u3002\u305d\u3046\u3042\u308b\u3079\u304d\u3067\u3059\u3002.<\/p>\n

\u7406\u89e3\u3059\u3079\u304d\u91cd\u8981\u306a\u70b9\u306f\u3001\u7d99\u7d9a\u7684\u8a8d\u8a3c\u306f\u5185\u5bb9\u3067\u306f\u306a\u304f\u30d1\u30bf\u30fc\u30f3\u306b\u6ce8\u76ee\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u4f55\u3092\u30bf\u30a4\u30d7\u3059\u308b\u304b\u3067\u306f\u306a\u304f\u3001\u3069\u306e\u3088\u3046\u306b\u30bf\u30a4\u30d7\u3059\u308b\u304b\u3092\u898b\u308b\u306e\u3067\u3059\u3002\u3053\u306e\u9055\u3044\u304c\u91cd\u8981\u306a\u306e\u3067\u3059\u3002.<\/p>\n

\u6b27\u5dde\u59d4\u54e1\u4f1a\u306e\u3088\u3046\u306a\u6a5f\u95a2\u304c\u7b56\u5b9a\u3057\u305f\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u30fb\u30d0\u30a4\u30fb\u30c7\u30b6\u30a4\u30f3\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u63a8\u9032\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u507d\u967d\u6027\u306e\u554f\u984c\u3082\u3042\u308a\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u304c\u53b3\u3057\u3059\u304e\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u983b\u7e41\u306b\u4e2d\u65ad\u3055\u308c\u307e\u3059\u3002\u305d\u308c\u306f\u30d5\u30e9\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002.<\/p>\n

\u3060\u304b\u3089\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u3044\u3064\u884c\u52d5\u3057\u3001\u3044\u3064\u6c88\u9ed9\u3059\u308b\u304b\u3092\u5b66\u3076\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u3001\u7d99\u7d9a\u7684\u8a8d\u8a3c\u3092\u5b9f\u7528\u7684\u306a\u3082\u306e\u306b\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002.<\/p>\n

\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u672a\u6765\u306f\u9023\u7d9a\u7684<\/h2>\n

\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u5909\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u3082\u306f\u3084\u4e00\u5ea6\u9650\u308a\u306e\u30c1\u30a7\u30c3\u30af\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30bb\u30c3\u30b7\u30e7\u30f3\u4e2d\u306b\u9032\u5316\u3057\u7d9a\u3051\u308b\u3082\u306e\u306a\u306e\u3067\u3059\u3002.<\/p>\n

\u3053\u306e\u65b9\u5411\u6027\u306f\u3001\u30bc\u30ed\u30fb\u30c8\u30e9\u30b9\u30c8\u3092\u6a19\u6e96\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3068\u3057\u3066\u63a8\u9032\u3057\u3066\u3044\u308b\u7c73\u56fd\u9632\u7dcf\u7701\u306e\u6307\u91dd\u3068\u3082\u4e00\u81f4\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n

2025\u5e74\u307e\u3067\u306b\u3001\u30bc\u30ed\u30fb\u30c8\u30e9\u30b9\u30c8\u30fb\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30fc\u306f\u4ee5\u4e0b\u306e\u6a19\u6e96\u306b\u306a\u308b\u3068\u4e88\u60f3\u3055\u308c\u3066\u3044\u307e\u3059\u3002 70%<\/a> \u65b0\u3057\u3044\u30c7\u30b8\u30bf\u30eb\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30e1\u30fc\u30b7\u30e7\u30f3\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e.<\/p>\n

\u3053\u306e\u5909\u5316\u306f\u591a\u304f\u306e\u3053\u3068\u3092\u7269\u8a9e\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u7d44\u7e54\u304c\u9759\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30e2\u30c7\u30eb\u304b\u3089\u8131\u5374\u3057\u3064\u3064\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u7d99\u7d9a\u7684\u8a8d\u8a3c\u306f\u3053\u306e\u5909\u5316\u306e\u4e2d\u5fc3\u306b\u4f4d\u7f6e\u3057\u307e\u3059\u3002\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u3001\u884c\u52d5\u3001\u305d\u3057\u3066\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u610f\u601d\u6c7a\u5b9a\u3092\u7d50\u3073\u3064\u3051\u307e\u3059\u3002.<\/p>\n

\u73fe\u6642\u70b9\u3067\u306f\u3001\u4f01\u696d\u304c\u305d\u308c\u3092\u63a1\u7528\u3059\u3079\u304d\u304b\u3069\u3046\u304b\u304c\u554f\u984c\u306a\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3044\u3064\u307e\u3067\u5c0e\u5165\u3057\u306a\u3044\u4f59\u88d5\u304c\u3042\u308b\u304b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

Continuous Authentication is a way to keep checking if a user is really the same person during the entire session, not just at login. It runs quietly in the background and reacts the moment something feels off. Most systems today still work on a simple idea. You log in once. You get access. After that, you are trusted until you log out. Sounds fine on paper. In reality, this is exactly where things break. Attackers do not always break in anymore. They wait. They hijack sessions. Or they slip in after login. Once they are inside, everything looks normal from the system\u2019s point of view. That is the problem. Also […]<\/p>\n","protected":false},"author":6,"featured_media":32510,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"wprm-recipe-roundup-name":"","wprm-recipe-roundup-description":"","postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""},"footnotes":""},"categories":[184,180,201,85],"tags":[110,12841,11306,147,2476],"ppma_author":[325],"class_list":{"0":"post-32502","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-cybersecurity","8":"category-knowledge-hub","9":"category-staff-writers","10":"category-tech","11":"tag-cybersecurity","12":"tag-enterprise-systems","13":"tag-monitoring","14":"tag-security","15":"tag-zero-trust"},"yoast_head":"\nContinuous Authentication<\/title>\n<meta name=\"description\" content=\"Continuous Authentication explained with real use cases, and how enterprises stop session hijacking using behavior-based security.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itbusinesstoday.com\/ja\/tech\/cybersecurity\/continuous-authentication-the-shift-toward-behavior-based-security-in-enterprise-systems\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Continuous Authentication\" \/>\n<meta property=\"og:description\" content=\"Continuous Authentication explained with real use cases, and how enterprises stop session hijacking using behavior-based security.\" \/>\n<meta property=\"og:url\" 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