{"id":164694,"date":"2022-06-23T19:51:09","date_gmt":"2022-06-24T02:51:09","guid":{"rendered":"https:\/\/www.paloaltonetworks.com\/blog\/?p=164694"},"modified":"2022-06-27T01:45:26","modified_gmt":"2022-06-27T08:45:26","slug":"ztna-1-0-violates-principle-of-least-privilege","status":"publish","type":"post","link":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/2022\/06\/ztna-1-0-violates-principle-of-least-privilege\/?lang=ja","title":{"rendered":"ZTNA\u306e\u672c\u97f3\u30c8\u30fc\u30af: ZTNA1.0\u306f\u6700\u5c0f\u6a29\u9650\u306e\u539f\u5247\u306b\u9055\u53cd"},"content":{"rendered":"<h1><a id=\"post-161224-_v8b3cp7bycli\"><\/a>ZTNA 2.0\u306e\u304d\u3081\u7d30\u304b\u306a\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3067\u30ea\u30b9\u30af\u3092\u524a\u6e1b<\/h1>\n<p><em>\u3053\u306e\u8a18\u4e8b\u306f\u30015\u90e8\u69cb\u6210\u30b7\u30ea\u30fc\u30ba\u300cZTNA\u306e\u672c\u97f3\u30c8\u30fc\u30af\u300d\u306e\u7b2c1\u90e8\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30a2\u30af\u30bb\u30b9\u4fdd\u8b77\u306e\u65b0\u57fa\u6e96\u3067\u3042\u308bZTNA 2.0\u306e5\u3064\u306e\u7406\u5ff5\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/em><\/p>\n<p>\u30bc\u30ed \u30c8\u30e9\u30b9\u30c8\u306e\u6982\u5ff5\u3068\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30c7\u30b8\u30bf\u30eb 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id=\"post-161224-_klxot8yw8tq6\"><\/a>\u6700\u65b0\u30a2\u30d7\u30ea\u306e\u30a2\u30af\u30bb\u30b9\u5236\u5fa1<\/h2>\n<p>\u3053\u308c\u307e\u3067\u306b\u8ff0\u3079\u305f\u3088\u3046\u306b\u3001\u6700\u5c0f\u6a29\u9650\u306e\u539f\u5247\u3068\u3044\u3046\u306e\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u4ed5\u4e8b\u3092\u5b8c\u4e86\u3067\u304d\u308b\u6700\u5c0f\u9650\u306e\u6a29\u9650\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u52d5\u7684IP\u3068\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3059\u308bSaaS\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u6700\u65b0\u30a2\u30d7\u30ea\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u3001ZTNA 1.0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30a2\u30af\u30bb\u30b9\u5236\u5fa1(\u304a\u3088\u3073\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3)\u304c\u6a5f\u80fd\u3059\u308b\u3088\u3046\u306b\u3001\u5e45\u5e83\u3044IP\u3068\u30dd\u30fc\u30c8\u7bc4\u56f2\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u660e\u3089\u304b\u306b\u6700\u5c0f\u6a29\u9650\u306e\u539f\u5247\u306b\u9055\u53cd\u3057\u3066\u304a\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5927\u304d\u306a\u7a74\u304c\u3042\u304d\u3001\u653b\u6483\u8005\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.paloaltonetworks.com\/cyberpedia\/what-is-zero-trust-network-access-2-0\">ZTNA 2.0<\/a>\u3067\u306f\u3001\u30a2\u30d7\u30ea\u304c\u4f7f\u7528\u3059\u308bIP\u3084\u30dd\u30fc\u30c8\u306b\u95a2\u4fc2\u306a\u304f\u3001\u30b7\u30b9\u30c6\u30e0\u304cApp-ID\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30a2\u30d7\u30ea\u5185\u306e\u7279\u5b9a\u306e\u6a5f\u80fd\u3092\u3001\u3042\u3089\u3086\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u30dd\u30fc\u30c8\u306b\u308f\u305f\u3063\u3066\u52d5\u7684\u306b\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u7ba1\u7406\u8005\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u9020\u3092\u8003\u3048\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u3001\u975e\u5e38\u306b\u304d\u3081\u7d30\u304b\u306a\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3067\u3001\u672c\u5f53\u306e\u610f\u5473\u3067\u306e\u6700\u5c0f\u6a29\u9650\u30a2\u30af\u30bb\u30b9\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-161224-_oigs4flszt0y\"><\/a>\u30b5\u30fc\u30d0\u30fc\u8d77\u52d5\u578b\u63a5\u7d9a\u3092\u4f7f\u7528\u3059\u308b\u30a2\u30d7\u30ea\u306eZTNA 1.0\u304b\u3089\u306e\u96e2\u8131<\/h2>\n<p>\u6b21\u306bZTNA 1.0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u5408\u308f\u306a\u3044\u7a2e\u985e\u306e\u30a2\u30d7\u30ea\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u5411\u304b\u3063\u3066\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30a2\u30d7\u30ea\u3067\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u66f4\u65b0\u3084\u30d1\u30c3\u30c1\u306e\u7ba1\u7406\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3084\u3001\u30c7\u30d0\u30a4\u30b9\u7ba1\u7406\u30a2\u30d7\u30ea\u3001\u30d8\u30eb\u30d7 \u30c7\u30b9\u30af \u30a2\u30d7\u30ea\u306a\u3069\u306e\u30df\u30c3\u30b7\u30e7\u30f3\u30af\u30ea\u30c6\u30a3\u30ab\u30eb 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href=\"https:\/\/www.paloaltonetworks.jp\/sase\/access\" rel=\"nofollow,noopener\" >Prisma Access<\/a>\u306e\u3088\u3046\u306aZTNA 2.0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001App-ID\u3092\u4f7f\u7528\u3057\u3066\u53cc\u65b9\u5411\u306e\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u5b9f\u884c\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30a2\u30af\u30bb\u30b9 \u30dd\u30ea\u30b7\u30fc\u3092\u5b9a\u7fa9\u3067\u304d\u3001\u30b5\u30fc\u30d0\u30fc\u8d77\u52d5\u578b\u63a5\u7d9a\u3092\u4f7f\u7528\u3059\u308b\u30a2\u30d7\u30ea\u306a\u3069\u3001\u3042\u3089\u3086\u308b\u7a2e\u985e\u306e\u30a2\u30d7\u30ea\u3067\u6700\u5c0f\u6a29\u9650\u30a2\u30af\u30bb\u30b9\u3092\u5bb9\u6613\u306b\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-161224-_5qylxmhay9u9\"><\/a>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 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1.0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5358\u7d14\u306b\u4e0d\u53ef\u80fd\u3067\u3059\u3002\u30b5\u30d6\u30a2\u30d7\u30ea \u30ec\u30d9\u30eb\u3067\u3053\u306e\u6c34\u6e96\u306e\u304d\u3081\u7d30\u304b\u306a\u5236\u5fa1\u3092\u63d0\u4f9b\u3059\u308b(\u305f\u3068\u3048\u3070\u3001\u30a2\u30d7\u30ea\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306f\u6307\u5b9a\u3059\u308b\u304c\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3084\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306f\u5236\u9650\u3059\u308b)\u3053\u3068\u306f\u3001App-ID\u69cb\u9020\u3092\u5229\u7528\u3057\u3066\u30a2\u30d7\u30ea\u3068\u30b5\u30d6\u30a2\u30d7\u30ea\u3092\u7279\u5b9a\u3059\u308bZTNA 2.0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3042\u308c\u3070\u5bb9\u6613\u306b\u884c\u306a\u3048\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-161224-_ouj86h526m7d\"><\/a>\u6700\u5c0f\u6a29\u9650\u3092\u52b9\u679c\u7684\u306b\u5b9f\u65bd\u3059\u308b\u306b\u306f\u3001ZTNA 2.0\u306e\u304d\u3081\u7d30\u304b\u306a\u5236\u5fa1\u304c\u5fc5\u8981<\/h2>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30e6\u30fc\u30b6\u30fc\u304c\u5834\u6240\u3092\u554f\u308f\u305a\u306b\u5b58\u5728\u3059\u308b\u4e16\u754c\u306b\u304a\u3044\u3066\u3001\u6700\u5c0f\u6a29\u9650\u306e\u539f\u5247\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u306f\u3001\u30bc\u30ed \u30c8\u30e9\u30b9\u30c8\u3092\u52b9\u679c\u7684\u306b\u63a1\u7528\u3057\u3001\u7d44\u7e54\u306e\u30ea\u30b9\u30af\u3092\u524a\u6e1b\u3059\u308b\u305f\u3081\u306b\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u307e\u3067\u306b\u8ff0\u3079\u305f\u3088\u3046\u306b\u3001ZTNA 2.0\u306fIP\u30a2\u30c9\u30ec\u30b9\u3084\u30dd\u30fc\u30c8\u756a\u53f7\u306e\u3088\u3046\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u9020\u306b\u95a2\u4fc2\u306a\u304f\u3001\u3042\u3089\u3086\u308b\u7a2e\u985e\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5bfe\u3057\u3066\u7cbe\u7dfb\u306a\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30a2\u30af\u30bb\u30b9\u3092\u4fdd\u8b77\u3057\u3001\u5f93\u6765\u306e\u30ea\u30e2\u30fc\u30c8 \u30a2\u30af\u30bb\u30b9VPN\u304b\u3089\u6700\u7d42\u7684\u306b\u96e2\u8131\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u3001\u5927\u304d\u306a\u4e00\u6b69\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/start.paloaltonetworks.com\/zero-trust-with-zero-exceptions\">\u305c\u3072ZTNA 2.0\u306e\u30ed\u30fc\u30f3\u30c1 \u30a4\u30d9\u30f3\u30c8\u3092\u3054\u89a7\u304f\u3060\u3055\u3044<\/a>\u3002ZTNA 2.0\u3067\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9 \u30ef\u30fc\u30af\u30d5\u30a9\u30fc\u30b9\u3092\u4fdd\u8b77\u3059\u308b\u30a4\u30ce\u30d9\u30fc\u30b7\u30e7\u30f3\u3068\u30d9\u30b9\u30c8 \u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u6765\u9031\u306e\u30d6\u30ed\u30b0\u3082\u304a\u697d\u3057\u307f\u306b\u3002ZTNA 2.0\u306e\u7b2c2\u306e\u539f\u5247\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ZTNA 2.0\u306e\u304d\u3081\u7d30\u304b\u306a\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3067\u30ea\u30b9\u30af\u3092\u524a\u6e1b \u3053\u306e\u8a18\u4e8b\u306f\u30015\u90e8\u69cb\u6210\u30b7\u30ea\u30fc\u30ba\u300cZTNA\u306e\u672c\u97f3\u30c8\u30fc\u30af\u300d\u306e\u7b2c1\u90e8\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30a2\u30af\u30bb\u30b9\u4fdd\u8b77\u306e\u65b0\u57fa\u6e96\u3067\u3042\u308bZTNA 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