{"id":24359,"date":"2025-10-10T04:29:58","date_gmt":"2025-10-10T08:29:58","guid":{"rendered":"https:\/\/www.netwitness.com\/blog\/what-is-network-traffic-analysis\/"},"modified":"2026-10-29T08:05:23","modified_gmt":"2026-10-29T12:05:23","slug":"what-is-network-traffic-analysis","status":"publish","type":"blog","link":"https:\/\/www.netwitness.com\/ja\/blog\/what-is-network-traffic-analysis\/","title":{"rendered":"\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u3068\u306f\uff1f\u3000\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8cac\u4efb\u8005\u306e\u305f\u3081\u306e\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"24359\" class=\"elementor elementor-24359 elementor-12081\" data-elementor-post-type=\"blog\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7fdbe071 e-flex e-con-boxed e-con e-parent\" data-id=\"7fdbe071\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c5b6973 e-con-full e-flex e-con e-child\" data-id=\"c5b6973\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-bee7435 e-con-full e-flex e-con e-child\" data-id=\"bee7435\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7d6fcf0 elementor-widget elementor-widget-image\" data-id=\"7d6fcf0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"40\" height=\"40\" src=\"https:\/\/www.netwitness.com\/wp-content\/uploads\/search-9-1-1.svg\" class=\"attachment-large size-large wp-image-20719\" alt=\"Overview Icon\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-894dc68 elementor-widget elementor-widget-heading\" data-id=\"894dc68\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u3068\u306f\uff1f<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77f8674 para-zero elementor-widget elementor-widget-text-editor\" data-id=\"77f8674\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\uff08NTA\uff09\u3068\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3001\u76e3\u8996\u3001\u5206\u6790\u3057\u3066\u3001\u7570\u5e38\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u8105\u5a01\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3092\u691c\u51fa\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002\u3059\u3079\u3066\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u500b\u5225\u306b\u691c\u67fb\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30e1\u30bf\u30c7\u30fc\u30bf\u3001\u884c\u52d5\u5206\u6790\u3001\u6a5f\u68b0\u5b66\u7fd2\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u3042\u3063\u3066\u3082\u8105\u5a01\u3092\u65e9\u671f\u306b\u691c\u51fa\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p><p><strong>\u4f01\u696d\u306b\u3068\u3063\u3066\u306e\u4e3b\u306a\u30e1\u30ea\u30c3\u30c8\uff1a<\/strong><\/p><ul><li>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u8105\u5a01\u691c\u77e5<\/li><li>\u30a4\u30fc\u30b9\u30c8-\u30a6\u30a8\u30b9\u30c8\u30fb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u53ef\u8996\u5316<\/li><li>\u653b\u6483\u8005\u306e\u6ede\u5728\u6642\u9593\u306e\u77ed\u7e2e<\/li><li>\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u304a\u3088\u3073\u30d5\u30a9\u30ec\u30f3\u30b8\u30c3\u30af\u6a5f\u80fd<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-734e548f elementor-widget elementor-widget-text-editor\" data-id=\"734e548f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2><strong>\u306f\u3058\u3081\u306b <\/strong><\/h2><p>\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u6bce\u79d2\u81a8\u5927\u306a\u91cf\u306e\u30c7\u30fc\u30bf\u304c\u751f\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u7d76\u3048\u9593\u306a\u304f\u6d41\u308c\u308b\u30d1\u30b1\u30c3\u30c8\u306e\u4e2d\u306b\u306f\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u8a66\u884c\u3001\u60aa\u610f\u306e\u3042\u308b\u901a\u4fe1\u3001\u5185\u90e8\u8005\u306b\u3088\u308b\u8105\u5a01\u3068\u3044\u3063\u305f\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6307\u6a19\u304c\u96a0\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u5f93\u6765\u306e\u5883\u754c\u9632\u5fa1\u3067\u306f\u3053\u308c\u3089\u3092\u691c\u77e5\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u306f\u3001\u3053\u306e\u751f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c7\u30fc\u30bf\u3092\u5b9f\u7528\u7684\u306a\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u306b\u5909\u63db\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u306b\u3001\u9ad8\u5ea6\u306a\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u3092\u691c\u77e5\u3001\u8abf\u67fb\u3001\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u53ef\u8996\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p><h2 aria-level=\"2\"><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u3068\u306f\uff1f <\/strong><\/h2><p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u3068\u306f\u3001\u672c\u8cea\u7684\u306b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3092\u53ce\u96c6\u30fb\u76e3\u8996\u30fb\u89e3\u6790\u3057\u3001\u7570\u5e38\u3092\u7279\u5b9a\u3057\u3001\u8105\u5a01\u3092\u691c\u77e5\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306e\u4f53\u7cfb\u7684\u306a\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u5358\u306a\u308b\u63a5\u7d9a\u72b6\u614b\u306e\u78ba\u8a8d\u3084\u30d1\u30b1\u30c3\u30c8\u30b9\u30cb\u30c3\u30d5\u30a3\u30f3\u30b0\u3092\u306f\u308b\u304b\u306b\u8d85\u3048\u305f\u3082\u306e\u3067\u3059\u3002<\/p><p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u3067\u306f\u3001\u30ad\u30e3\u30d7\u30c1\u30e3\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u500b\u5225\u306b\u8abf\u3079\u308b\u306e\u3067\u306f\u306a\u304f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3001\u30dd\u30fc\u30c8\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u91cf\u306a\u3069\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u306b\u7126\u70b9\u3092\u5f53\u3066\u3001\u5206\u6790\u3084\u6a5f\u68b0\u5b66\u7fd2\u3092\u6d3b\u7528\u3057\u3066\u7570\u5e38\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u691c\u77e5\u3057\u307e\u3059\u3002<\/p><p>\u3053\u3046\u3057\u305f\u7570\u5e38\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u60aa\u610f\u306e\u3042\u308b\u6d3b\u52d5\u306e\u521d\u671f\u5146\u5019\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p><ul><li>\u901a\u5e38\u3068\u306f\u7570\u306a\u308b\u5730\u57df\u304b\u3089\u5f93\u696d\u54e1\u306e\u8a8d\u8a3c\u60c5\u5831\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3002<\/li><li>\u4e0d\u81ea\u7136\u306a\u6642\u9593\u5e2f\u306b\u3001\u4e88\u60f3\u5916\u306e\u91cf\u306e\u30c7\u30fc\u30bf\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5916\u3078\u6d41\u51fa\u3057\u3066\u3044\u308b\u3002<\/li><li>\u30c7\u30d0\u30a4\u30b9\u304c\u4e0d\u5be9\u306a\u30c9\u30e1\u30a4\u30f3\u3068\u96a0\u308c\u305f\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3066\u3044\u308b\u3002<\/li><\/ul><p>\u7c21\u5358\u306b\u8a00\u3048\u3070\u3001NTA\u306f\u65e5\u5e38\u7684\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5b9f\u7528\u7684\u306a\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u3078\u3068\u5909\u63db\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p><h2 aria-level=\"2\"><b><span data-contrast=\"none\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u306e\u4e3b\u306a\u30e1\u30ea\u30c3\u30c8 <\/span><\/b><\/h2><h3><strong>1. \u8105\u5a01\u306e\u65e9\u671f\u691c\u77e5\uff1a<\/strong><\/h3><p>\u5f93\u6765\u306e\u30c4\u30fc\u30eb\u3067\u306f\u3001\u9ad8\u5ea6\u306a\u6301\u7d9a\u7684\u8105\u5a01\uff08APT\uff09\u3084\u5185\u90e8\u95a2\u4fc2\u8005\u306b\u3088\u308b\u4e0d\u6b63\u884c\u70ba\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u304c\u56f0\u96e3\u3067\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u3053\u308c\u3089\u306e\u8105\u5a01\u306f\u6b63\u5f53\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u7d1b\u308c\u8fbc\u3093\u3067\u3044\u308b\u304b\u3089\u3067\u3059\u3002NTA\u306f\u3001\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3084\u5883\u754c\u9632\u5fa1\u3067\u306f\u691c\u77e5\u3067\u304d\u306a\u3044\u5fae\u5999\u306a\u7570\u5e38\u3092\u691c\u77e5\u3059\u308b\u3053\u3068\u3067\u3001\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306e\u691c\u51fa\u307e\u3067\u306e\u5e73\u5747\u6642\u9593\u3092\u77ed\u7e2e\u3057\u307e\u3059\u3002<\/p><h3><strong>2. <\/strong><strong>\u30d5\u30a9\u30ec\u30f3\u30b8\u30c3\u30af\u304a\u3088\u3073\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5bfe\u5fdc\u306e\u5f37\u5316\uff1a<\/strong><\/h3><p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fb5\u5bb3\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001NTA\u306f\u653b\u6483\u8005\u306e\u884c\u52d5\u3092\u518d\u73fe\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u5c65\u6b74\u8a18\u9332\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30a2\u30ca\u30ea\u30b9\u30c8\u306f\u3001\u6a2a\u65b9\u5411\u306e\u79fb\u52d5\u3001\u4fb5\u5bb3\u3055\u308c\u305f\u30a2\u30ab\u30a6\u30f3\u30c8\u3001\u304a\u3088\u3073\u30c7\u30fc\u30bf\u306e\u6d41\u308c\u3092\u6b63\u78ba\u306b\u8ffd\u8de1\u3067\u304d\u308b\u305f\u3081\u3001\u8abf\u67fb\u6642\u9593\u3092\u5927\u5e45\u306b\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002<\/p><h3><strong>3. <\/strong><strong>\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u304a\u3088\u3073\u76e3\u67fb\u5bfe\u5fdc\u306e\u6e96\u5099\uff1a<\/strong><\/h3><p>PCI DSS\u3001HIPAA\u3001GDPR \u306a\u3069\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u306f\u3001\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u74b0\u5883\u5185\u3067\u306e\u7d99\u7d9a\u7684\u306a\u76e3\u8996\u3068\u3001\u6d3b\u52d5\u5185\u5bb9\u306e\u5fb9\u5e95\u7684\u306a\u30ed\u30b0\u8a18\u9332\u304c\u91cd\u8996\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u898f\u683c\u3067\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ad\u30e3\u30d7\u30c1\u30e3\u304c\u5177\u4f53\u7684\u306b\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001NTA \u306e\u3088\u3046\u306a\u30c4\u30fc\u30eb\u306f\u3001\u6539\u3056\u3093\u9632\u6b62\u6a5f\u80fd\u3092\u5099\u3048\u305f\u53ef\u8996\u6027\u3068\u691c\u8a3c\u53ef\u80fd\u306a\u76e3\u67fb\u8a3c\u8de1\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3053\u3068\u3092\u5bb9\u6613\u306b\u3057\u307e\u3059\u3002<\/p><h3><strong>4. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u8d85\u3048\u305f\u904b\u7528\u4e0a\u306e\u77e5\u898b\uff1a<\/strong><\/h3><p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u62c5\u5f53\u8005\u306f\u3001\u5e2f\u57df\u5e45\u3092\u5927\u91cf\u306b\u6d88\u8cbb\u3057\u3066\u3044\u308b\u8981\u56e0\u306e\u7279\u5b9a\u3084\u3001\u4e0d\u8981\u306a\u30af\u30e9\u30a6\u30c9\u30b3\u30b9\u30c8\u306e\u524a\u6e1b\u306a\u3069\u3001\u4e88\u60f3\u5916\u306e\u4fa1\u5024\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u591a\u304f\u306e\u4f01\u696d\u306b\u3068\u3063\u3066\u3001\u3053\u306e\u4e8c\u91cd\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u6295\u8cc7\u306e\u6b63\u5f53\u5316\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u307e\u3059\u3002<\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-12082 \" src=\"https:\/\/www.netwitness.com\/wp-content\/uploads\/Where-Network-Traffic-Analysis-Adds-Value-01-scaled.jpg\" alt=\"Network Traffic Analysis\" width=\"736\" height=\"566\" srcset=\"https:\/\/www.netwitness.com\/wp-content\/uploads\/Where-Network-Traffic-Analysis-Adds-Value-01-scaled.jpg 2560w, https:\/\/www.netwitness.com\/wp-content\/uploads\/Where-Network-Traffic-Analysis-Adds-Value-01-300x231.jpg 300w, https:\/\/www.netwitness.com\/wp-content\/uploads\/Where-Network-Traffic-Analysis-Adds-Value-01-1024x787.jpg 1024w, https:\/\/www.netwitness.com\/wp-content\/uploads\/Where-Network-Traffic-Analysis-Adds-Value-01-768x590.jpg 768w, https:\/\/www.netwitness.com\/wp-content\/uploads\/Where-Network-Traffic-Analysis-Adds-Value-01-1536x1181.jpg 1536w, https:\/\/www.netwitness.com\/wp-content\/uploads\/Where-Network-Traffic-Analysis-Adds-Value-01-2048x1574.jpg 2048w\" sizes=\"(max-width: 736px) 100vw, 736px\" \/><\/p><h2 aria-level=\"2\"><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u306e\u5b9f\u7528\u4e8b\u4f8b<\/strong><\/h2><ul><li><strong>\u30e9\u30c6\u30e9\u30eb\u30e0\u30fc\u30d6\u30e1\u30f3\u30c8\u306e\u691c\u77e5\uff1a<\/strong>1\u3064\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u4fb5\u5165\u3057\u305f\u653b\u6483\u8005\u306f\u3001\u3057\u3070\u3057\u3070\u76ee\u7acb\u305f\u306a\u3044\u5f62\u3067\u62e1\u6563\u3057\u307e\u3059\u3002NTA\u306f\u3001\u5185\u90e8\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u7570\u5e38\u306a\u30a4\u30fc\u30b9\u30c8\u30fb\u30a6\u30a8\u30b9\u30c8\u30fb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7279\u5b9a\u3057\u3001\u3053\u3046\u3057\u305f\u52d5\u304d\u3092\u660e\u3089\u304b\u306b\u3057\u307e\u3059\u3002<\/li><li><strong>\u30c7\u30fc\u30bf\u6d41\u51fa\u306e\u691c\u77e5\uff1a<\/strong>\u4e0d\u6b63\u306a\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u3084\u96a0\u853d\u3055\u308c\u305f\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u3092\u554f\u308f\u305a\u3001NTA\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u6d41\u51fa\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u30c7\u30fc\u30bf\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002<\/li><li><strong>\u30b3\u30de\u30f3\u30c9\uff06\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff08C&amp;C<\/strong><strong>\uff09\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u7279\u5b9a\uff1a<\/strong>\u5916\u90e8\u306e\u4e0d\u6b63\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u901a\u4fe1\u306f\u3001\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001\u901a\u5e38\u3001\u30d5\u30ed\u30fc\u30d1\u30bf\u30fc\u30f3\u306e\u7279\u5fb4\u3092\u6b8b\u3057\u307e\u3059\u3002<\/li><li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u6700\u9069\u5316\uff1a<\/strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u306b\u3088\u308a\u3001IT\u30c1\u30fc\u30e0\u306f\u8f3b\u8f33\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u7b87\u6240\u3084\u5341\u5206\u306b\u6d3b\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u8cc7\u7523\u3092\u7279\u5b9a\u3057\u3001\u30b3\u30b9\u30c8\u52b9\u7387\u3068\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li><\/ul><h2 aria-level=\"2\"><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u76e3\u8996\u30c4\u30fc\u30eb\u306f\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u306e\u304b\uff1f<\/strong><\/h2><p>\u6700\u65b0\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u76e3\u8996\u30c4\u30fc\u30eb\u306b\u3088\u308a\u3001\u3059\u3079\u3066\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u305f\u308a\u4fdd\u5b58\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u898f\u6a21\u3067\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u53ef\u8996\u5316\u30fb\u5206\u6790\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u6700\u65b0\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u30c4\u30fc\u30eb\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u6cd5\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3044\u307e\u3059\uff1a\u00a0<\/p><p>\u5f93\u6765\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u6b63\u5f53\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c1\u30e3\u30cd\u30eb\u5185\u3067\u6d3b\u52d5\u3059\u308b\u9ad8\u5ea6\u306a\u6301\u7d9a\u7684\u8105\u5a01\uff08APT\uff09\u3084\u5185\u90e8\u8005\u306b\u3088\u308b\u653b\u6483\u3078\u306e\u5bfe\u5fdc\u306b\u82e6\u6226\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002NTA\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u884c\u52d5\u30d1\u30bf\u30fc\u30f3\u3092\u7d99\u7d9a\u7684\u306b\u76e3\u8996\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u91cd\u5927\u306a\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u307e\u3059\u3002\u653b\u6483\u8005\u304c\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306b\u8db3\u5834\u3092\u7bc9\u304f\u3068\u3001\u305d\u306e\u6d3b\u52d5\u306b\u3088\u3063\u3066\u7279\u5fb4\u7684\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d1\u30bf\u30fc\u30f3\uff08\u7570\u5e38\u306a\u901a\u4fe1\u983b\u5ea6\u3001\u4e0d\u5be9\u306a\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u63a5\u7d9a\u3001\u3042\u308b\u3044\u306f\u7570\u5e38\u306a\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306a\u3069\uff09\u304c\u751f\u3058\u307e\u3059\u304c\u3001NTA\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3053\u308c\u3089\u3092\u691c\u77e5\u3057\u3001\u3088\u308a\u5e83\u7bc4\u306a\u9632\u5fa1\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u4e00\u90e8\u3068\u306a\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p><p>\u3053\u306e\u591a\u5c64\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u3092\u30ce\u30a4\u30ba\u306b\u57cb\u3082\u308c\u3055\u305b\u308b\u3053\u3068\u306a\u304f\u3001\u81a8\u5927\u306a\u30c7\u30fc\u30bf\u91cf\u3092\u76e3\u8996\u30fb\u5206\u6790\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p><p><img decoding=\"async\" class=\"wp-image-12083 aligncenter\" src=\"https:\/\/www.netwitness.com\/wp-content\/uploads\/NTA-Workflow-in-5-Steps-01.jpg\" alt=\"NTA Workflow in 5 Steps\" width=\"830\" height=\"377\" \/><\/p><p><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559685&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p><h2 aria-level=\"2\"><b><span data-contrast=\"none\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u304c\u4f01\u696d\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u3068\u3063\u3066\u306a\u305c\u91cd\u8981\u306a\u306e\u304b\uff1f<\/span><\/b><\/h2><h3 aria-level=\"3\"><strong>1. \u8105\u5a01\u691c\u77e5\u80fd\u529b\u306e\u5411\u4e0a\uff1a<\/strong><\/h3><p>\u5f93\u6765\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u6b63\u5f53\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u8def\u3092\u60aa\u7528\u3057\u3066\u884c\u308f\u308c\u308b\u9ad8\u5ea6\u306a\u6301\u7d9a\u7684\u8105\u5a01\uff08APT\uff09\u3084\u5185\u90e8\u95a2\u4fc2\u8005\u306b\u3088\u308b\u653b\u6483\u306b\u5bfe\u51e6\u3059\u308b\u306e\u306b\u82e6\u6226\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002NTA\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u884c\u52d5\u30d1\u30bf\u30fc\u30f3\u3092\u7d99\u7d9a\u7684\u306b\u76e3\u8996\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u91cd\u5927\u306a\u8ab2\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3059\u3002\u653b\u6483\u8005\u304c\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306b\u8db3\u5834\u3092\u7bc9\u304f\u3068\u3001\u305d\u306e\u6d3b\u52d5\u306b\u3088\u3063\u3066\u7279\u5fb4\u7684\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d1\u30bf\u30fc\u30f3\u304c\u751f\u3058\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u7570\u5e38\u306a\u901a\u4fe1\u983b\u5ea6\u3001\u4e0d\u5be9\u306a\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u63a5\u7d9a\u3001\u3042\u308b\u3044\u306f\u7570\u5e38\u306a\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306a\u3069\u3067\u3042\u308a\u3001\u3053\u308c\u3089\u306fNTA\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u691c\u51fa\u53ef\u80fd\u3067\u3059\u3002<\/p><p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u306e\u91cd\u8981\u6027\u306f\u3001\u6210\u529f\u3057\u305f\u4fb5\u5bb3\u306e\u591a\u304f\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u3067\u306e\u6a2a\u65b9\u5411\u306e\u79fb\u52d5\uff08\u30e9\u30c6\u30e9\u30eb\u30e0\u30fc\u30d6\u30e1\u30f3\u30c8\uff09\u3092\u4f34\u3046\u3053\u3068\u3092\u8003\u616e\u3059\u308b\u3068\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5883\u754c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u3067\u306f\u691c\u51fa\u3067\u304d\u306a\u3044\u6d3b\u52d5\u3067\u3059\u3002\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3092\u76e3\u8996\u3059\u308b\u3053\u3068\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u306f\u3001\u3053\u3046\u3057\u305f\u9ad8\u5ea6\u306a\u653b\u6483\u624b\u6cd5\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u53ef\u8996\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p><h3 aria-level=\"3\"><strong>2. <\/strong>\u4e88\u9632\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f53\u5236\uff1a<\/h3><p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\uff08NTA\uff09\u306b\u3088\u308a\u3001\u4e0d\u5be9\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u672c\u683c\u7684\u306a\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306b\u767a\u5c55\u3059\u308b\u524d\u306b\u7279\u5b9a\u3057\u3001\u4e88\u9632\u7684\u306a\u8105\u5a01\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u306f\u3001NTA\u304b\u3089\u5f97\u3089\u308c\u308b\u77e5\u898b\u3092\u6d3b\u7528\u3057\u3066\u3001\u6f5c\u5728\u7684\u306a\u8105\u5a01\u3092\u8abf\u67fb\u3057\u3001\u653b\u6483\u306e\u7bc4\u56f2\u3092\u628a\u63e1\u3057\u3001\u8fc5\u901f\u306b\u5c01\u3058\u8fbc\u3081\u63aa\u7f6e\u3092\u8b1b\u3058\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p><p>\u307e\u305f\u3001\u3053\u306e\u6280\u8853\u306f\u3001\u8a73\u7d30\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6d3b\u52d5\u30ed\u30b0\u3092\u7dad\u6301\u3057\u3001\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u8abf\u67fb\u306e\u305f\u3081\u306e\u30d5\u30a9\u30ec\u30f3\u30b8\u30c3\u30af\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u8981\u4ef6\u306e\u9075\u5b88\u3082\u652f\u63f4\u3057\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001NTA\u30c7\u30fc\u30bf\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u304c\u653b\u6483\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3092\u518d\u69cb\u7bc9\u3057\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30b7\u30b9\u30c6\u30e0\u3092\u7279\u5b9a\u3057\u3001\u6f5c\u5728\u7684\u306a\u30c7\u30fc\u30bf\u6f0f\u6d29\u306e\u7bc4\u56f2\u3092\u5224\u65ad\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p><h2 aria-level=\"2\"><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u306e\u8ab2\u984c\u3068\u3001\u305d\u306e\u514b\u670d\u7b56<\/strong><\/h2><h3 aria-level=\"3\"><strong>1. \u30b9\u30b1\u30fc\u30eb\u3068\u30c7\u30fc\u30bf\u91cf\uff1a<\/strong><\/h3><p><span class=\"EOP SCXW127984542 BCX8\" data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335557856&quot;:16777215,&quot;335559738&quot;:0,&quot;335559739&quot;:270}\">\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u6bce\u65e5\u30c6\u30e9\u30d0\u30a4\u30c8\u898f\u6a21\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002\u9069\u5207\u306a\u30c4\u30fc\u30eb\u304c\u306a\u3051\u308c\u3070\u3001\u305d\u306e\u30c7\u30fc\u30bf\u91cf\u306f\u51e6\u7406\u3057\u304d\u308c\u306a\u3044\u307b\u3069\u81a8\u5927\u3067\u3059\u3002\u3053\u306e\u8ab2\u984c\u306b\u5bfe\u3059\u308b\u89e3\u6c7a\u7b56\u306f\u3001\u30e1\u30bf\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u304f\u53ce\u96c6\u3068\u30b9\u30de\u30fc\u30c8\u306a\u5206\u6790\u3067\u3042\u308a\u3001\u5fc5\u305a\u3057\u3082\u5404\u30d1\u30b1\u30c3\u30c8\u3092\u4fdd\u5b58\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002 <\/span><\/p><h3 aria-level=\"3\"><strong>2. \u6697\u53f7\u5316\u3055\u308c\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\uff1a<\/strong><\/h3><p>\u73fe\u5728\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5927\u90e8\u5206\u306f\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u591a\u304f\u306e\u4eba\u304c\u300c\u6b7b\u89d2\u300d\u3092\u61f8\u5ff5\u3057\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u306b\u306f\u30da\u30a4\u30ed\u30fc\u30c9\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002\u6697\u53f7\u5316\u3055\u308c\u305f\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u3042\u3063\u3066\u3082\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u3068\u884c\u52d5\u5206\u6790\u306b\u57fa\u3065\u3044\u3066\u3001\u4e0d\u5be9\u306a\u6d3b\u52d5\u3092\u691c\u77e5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p><h3 aria-level=\"3\"><strong>3. \u30a2\u30e9\u30fc\u30c8\u75b2\u52b4\uff1a<\/strong><\/h3><p>\u8abf\u6574\u304c\u4e0d\u5341\u5206\u306a\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30a2\u30ca\u30ea\u30b9\u30c8\u306e\u8ca0\u62c5\u3092\u904e\u5927\u306b\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u52b9\u679c\u7684\u306a\u5c0e\u5165\u306b\u306f\u3001\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u306e\u8a2d\u5b9a\u3001\u95be\u5024\u306e\u6700\u9069\u5316\u3001\u305d\u3057\u3066\u30a2\u30e9\u30fc\u30c8\u3092\u3088\u308a\u5e83\u7bc4\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306b\u7d71\u5408\u3057\u3001\u5b9f\u884c\u53ef\u80fd\u306a\u30b7\u30b0\u30ca\u30eb\u306b\u7126\u70b9\u3092\u5f53\u3066\u7d9a\u3051\u308b\u3053\u3068\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12084 aligncenter\" src=\"https:\/\/www.netwitness.com\/wp-content\/uploads\/What-to-Look-for-in-Network-Traffic-Analysis-Tools-01.jpg\" alt=\"What to Look for in Network Traffic Analysis Tools\" width=\"793\" height=\"446\" \/><\/p><h2 aria-level=\"2\"><strong>NetWitness NDR<\/strong><strong>\uff1a\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30b0\u30ec\u30fc\u30c9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790<\/strong><\/h2><p>NetWitness <a href=\"https:\/\/www.netwitness.com\/ja\/blog\/what-is-network-detection-and-response-ndr\/\">Network Detection and Response<\/a>\uff08NDR\uff09\u306f\u3001\u305d\u306e\u8a73\u7d30\u3055\u3068\u5b9f\u7528\u6027\u306e\u4e21\u7acb\u304c\u969b\u7acb\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7d99\u7d9a\u7684\u306b\u51e6\u7406\u3057\u3001\u30c7\u30d0\u30a4\u30b9\u3084\u30e6\u30fc\u30b6\u30fc\u306e\u884c\u52d5\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u69cb\u7bc9\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u9ad8\u5ea6\u306a\u5206\u6790\u6a5f\u80fd\u3092\u7528\u3044\u3066\u7570\u5e38\u3092\u691c\u77e5\u3057\u307e\u3059\u3002\u30c7\u30a3\u30fc\u30d7\u30d1\u30b1\u30c3\u30c8\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u3068\u9ad8\u901f\u30e1\u30bf\u30c7\u30fc\u30bf\u5206\u6790\u306e\u4e21\u65b9\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001NetWitness\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u304c\u5b64\u7acb\u3057\u305f\u30c7\u30fc\u30bf\u30dd\u30a4\u30f3\u30c8\u3068\u5e83\u7bc4\u306a\u8105\u5a01\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3068\u306e\u95a2\u9023\u6027\u3092\u628a\u63e1\u3067\u304d\u308b\u3088\u3046\u652f\u63f4\u3057\u307e\u3059\u3002<\/p><p>\u4e3b\u306a\u5f37\u307f\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p><ul><li>\u30c7\u30a3\u30fc\u30d7\u30d1\u30b1\u30c3\u30c8\uff0b\u30e1\u30bf\u30c7\u30fc\u30bf\u5206\u6790\uff1a\u8a73\u7d30\u304b\u3064\u9ad8\u901f\u306a\u53ef\u8996\u5316\u3092\u5b9f\u73fe\u3002<\/li><li>\u81ea\u52d5\u30a2\u30e9\u30fc\u30c8\u6a5f\u80fd\uff1a\u30d3\u30b8\u30cd\u30b9\u306b\u5b9f\u969b\u306e\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u3092\u512a\u5148\u7684\u306b\u901a\u77e5\u3057\u307e\u3059\u3002<\/li><li>\u67d4\u8edf\u306a\u5c0e\u5165\uff1a\u30af\u30e9\u30a6\u30c9\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u3001\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u306e\u5404\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/li><li>\u52b9\u7387\u7684\u306a\u8abf\u67fb\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u3053\u3068\u306a\u304f\u3001\u8a3c\u62e0\u306b\u57fa\u3065\u3044\u305f\u8c4a\u5bcc\u306a\u6d1e\u5bdf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li><\/ul><p>NetWitness\u306e\u3088\u3046\u306a\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001\u60c5\u5831\u904e\u591a\u306a\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u3067\u306f\u306a\u304f\u3001\u8fc5\u901f\u306a\u6d1e\u5bdf\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3001\u91cd\u8981\u306a\u696d\u52d9\u3092\u62c5\u3046\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30c1\u30fc\u30e0\u306e\u6642\u9593\u3092\u7bc0\u7d04\u3057\u307e\u3059\u3002\u305d\u306e\u76ee\u6a19\u306f\u3001\u8907\u96d1\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u89e3\u6790\u3092\u7c21\u7d20\u5316\u3057\u3001\u30a2\u30e9\u30fc\u30c8\u75b2\u52b4\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u306a\u304f\u3001\u65ad\u56fa\u305f\u308b\u884c\u52d5\u3092\u4fc3\u3059\u3053\u3068\u3067\u3059\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-46a7bfe e-con-full e-flex e-con e-child\" data-id=\"46a7bfe\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-271675c e-con-full e-flex e-con e-child\" data-id=\"271675c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-e8d8dd1 e-con-full e-flex e-con e-child\" data-id=\"e8d8dd1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6828954 elementor-widget elementor-widget-heading\" data-id=\"6828954\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">NetWitness\u00ae \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a55\u4fa1\u306b\u3088\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u53ef\u8996\u6027\u306e\u5f37\u5316<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f98ce8f para-zero elementor-widget elementor-widget-text-editor\" data-id=\"f98ce8f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>&#8211; \u30c7\u30a3\u30fc\u30d7\u30d1\u30b1\u30c3\u30c8\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u3068\u5206\u6790\u306b\u3088\u308a\u3001\u96a0\u308c\u305f\u8105\u5a01\u3092\u6d17\u3044\u51fa\u3057\u307e\u3059\u3002<\/p><p>&#8211; \u8106\u5f31\u6027\u3084\u6b7b\u89d2\u304c\u60aa\u7528\u3055\u308c\u308b\u524d\u306b\u7279\u5b9a\u3057\u307e\u3059\u3002<\/p><p>&#8211; NDR\u306b\u57fa\u3065\u304f\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u3092\u6d3b\u7528\u3057\u3001\u691c\u77e5\u3068\u5bfe\u5fdc\u3092\u5f37\u5316\u3057\u307e\u3059\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dab0469 elementor-widget elementor-widget-button\" data-id=\"dab0469\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.netwitness.com\/ja\/resources\/data-sheets\/network-traffic-security-assessment\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9 \u2192<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ad53d71 e-con-full elementor-hidden-mobile e-flex e-con e-child\" data-id=\"ad53d71\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ab24dfb elementor-widget elementor-widget-image\" data-id=\"ab24dfb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"594\" src=\"https:\/\/www.netwitness.com\/wp-content\/uploads\/Lead-Magnet-Mockup-01-2-scaled-e1760525010216-768x594.png\" class=\"attachment-medium_large size-medium_large wp-image-23040\" alt=\"Lead Magnet Mockup\" srcset=\"https:\/\/www.netwitness.com\/wp-content\/uploads\/Lead-Magnet-Mockup-01-2-scaled-e1760525010216-768x594.png 768w, https:\/\/www.netwitness.com\/wp-content\/uploads\/Lead-Magnet-Mockup-01-2-scaled-e1760525010216-300x232.png 300w, https:\/\/www.netwitness.com\/wp-content\/uploads\/Lead-Magnet-Mockup-01-2-scaled-e1760525010216-1024x792.png 1024w, https:\/\/www.netwitness.com\/wp-content\/uploads\/Lead-Magnet-Mockup-01-2-scaled-e1760525010216-1536x1188.png 1536w, https:\/\/www.netwitness.com\/wp-content\/uploads\/Lead-Magnet-Mockup-01-2-scaled-e1760525010216.png 1590w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-412b7bc elementor-widget elementor-widget-text-editor\" data-id=\"412b7bc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 aria-level=\"2\"><strong>\u7d50\u8ad6\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u306e\u6226\u7565\u7684\u4fa1\u5024<\/strong><\/h2><p>\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u4eca\u5f8c\u307e\u3059\u307e\u3059\u5206\u6563\u5316\u30fb\u8907\u96d1\u5316\u3057\u3066\u3044\u304f\u3067\u3057\u3087\u3046\u3002\u5883\u754c\u9632\u5fa1\u3084\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u5bfe\u7b56\u30c4\u30fc\u30eb\u306f\u4f9d\u7136\u3068\u3057\u3066\u5fc5\u8981\u3067\u3059\u304c\u3001\u305d\u308c\u3060\u3051\u3067\u306f\u9ad8\u5ea6\u306a\u8105\u5a01\u3092\u691c\u77e5\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u7d99\u7d9a\u7684\u306a\u53ef\u8996\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p><p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u306e\u91cd\u8981\u6027\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u90e8\u3067\u4f55\u304c\u8d77\u304d\u3066\u3044\u308b\u304b\u3001\u653b\u6483\u8005\u304c\u3069\u3053\u306b\u6f5c\u3093\u3067\u3044\u308b\u304b\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u4e0a\u306e\u30ea\u30b9\u30af\u304c\u3069\u3053\u306b\u6f5c\u3093\u3067\u3044\u308b\u304b\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u80fd\u529b\u306b\u3042\u308a\u307e\u3059\u3002\u4e16\u754c\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u5e02\u5834\u306f\u3001\u3053\u306e\u91cd\u8981\u6027\u306e\u9ad8\u307e\u308a\u3092\u53cd\u6620\u3057\u3066\u304a\u308a\u3001\u5e02\u5834\u898f\u6a21\u306f2023\u5e74\u306e31\u51046000\u4e07\u30c9\u30eb\u304b\u30892028\u5e74\u306b\u306f57\u51046000\u4e07\u30c9\u30eb\u3078\u3068\u6210\u9577\u3059\u308b\u3068\u4e88\u6e2c\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u62e1\u5927\u306f\u3001\u5f93\u6765\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u3067\u306f\u691c\u51fa\u304c\u56f0\u96e3\u306a\u9ad8\u5ea6\u306a\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u306b\u5bfe\u51e6\u3059\u308b\u4e0a\u3067\u3001NTA\u306e\u4fa1\u5024\u304c\u5e83\u304f\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002CISO\u306b\u3068\u3063\u3066\u3001NTA\u3078\u306e\u6295\u8cc7\u6c7a\u5b9a\u306f\u5358\u306b\u30c4\u30fc\u30eb\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u306f\u306a\u304f\u3001\u3042\u3089\u3086\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u610f\u601d\u6c7a\u5b9a\u304c\u8a3c\u62e0\u306b\u57fa\u3065\u3044\u3066\u884c\u308f\u308c\u308b\u3053\u3068\u3092\u78ba\u5b9f\u306b\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002<\/p><p>\u8cb4\u7d44\u7e54\u304c\u305d\u306e\u3088\u3046\u306a\u53ef\u8996\u6027\u3092\u7372\u5f97\u3059\u308b\u6e96\u5099\u304c\u3067\u304d\u3066\u3044\u308b\u306e\u3067\u3042\u308c\u3070\u3001NetWitness NDR\u306e\u3088\u3046\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c7\u30fc\u30bf\u3092\u5b9f\u7528\u7684\u306a\u9632\u5fa1\u7b56\u3078\u3068\u5909\u63db\u3059\u308b\u306e\u306b\u3069\u306e\u3088\u3046\u306b\u5f79\u7acb\u3064\u304b\u3092\u691c\u8a0e\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d981c54 e-con-full e-flex e-con e-child\" data-id=\"d981c54\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7ac6866 elementor-widget elementor-widget-heading\" data-id=\"7ac6866\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><br>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ede29a0 elementor-widget elementor-widget-n-accordion\" data-id=\"ede29a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2490\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-2490\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><h3 class=\"e-n-accordion-item-title-text\"> 1.  \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u5206\u6790\u306f\u3001\u5f93\u6765\u306e\u4fb5\u5165\u691c\u77e5\u30b7\u30b9\u30c6\u30e0\u3068\u3069\u306e\u3088\u3046\u306b\u7570\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f <\/h3><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"40\" height=\"40\" viewBox=\"0 0 40 40\" fill=\"none\"><g clip-path=\"url(#clip0_726_1402)\"><path d=\"M39.9375 19.9998C39.9375 31.0111 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Network Traffic Analysis (NTA) is the process of capturing, monitoring, and  [&hellip;]<\/p>\n","protected":false},"author":29,"featured_media":24361,"template":"","tags":[317,383,486,428],"class_list":["post-24359","blog","type-blog","status-publish","has-post-thumbnail","hentry","tag-network-detection-and-response","tag-network-traffic","tag-network-traffic-analysis","tag-network-visibility","blog_category-network-detection-and-response"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.netwitness.com\/ja\/wp-json\/wp\/v2\/blog\/24359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.netwitness.com\/ja\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.netwitness.com\/ja\/wp-json\/wp\/v2\/types\/blog"}],"author":[{"embeddable":true,"href":"https:\/\/www.netwitness.com\/ja\/wp-json\/wp\/v2\/users\/29"}],"version-history":[{"count":5,"href":"https:\/\/www.netwitness.com\/ja\/wp-json\/wp\/v2\/blog\/24359\/revisions"}],"predecessor-version":[{"id":24377,"href":"https:\/\/www.netwitness.com\/ja\/wp-json\/wp\/v2\/blog\/24359\/revisions\/24377"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.netwitness.com\/ja\/wp-json\/wp\/v2\/media\/24361"}],"wp:attachment":[{"href":"https:\/\/www.netwitness.com\/ja\/wp-json\/wp\/v2\/media?parent=24359"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.netwitness.com\/ja\/wp-json\/wp\/v2\/tags?post=24359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}