{"id":135147,"date":"2021-06-01T18:48:25","date_gmt":"2021-06-02T01:48:25","guid":{"rendered":"https:\/\/www.paloaltonetworks.com\/blog\/?p=135147"},"modified":"2022-08-28T21:35:24","modified_gmt":"2022-08-29T04:35:24","slug":"3-inconvenient-truths-about-ransomware-that-orgs-should-deal-with","status":"publish","type":"post","link":"https:\/\/www2.paloaltonetworks.com\/blog\/2021\/06\/3-inconvenient-truths-about-ransomware-that-orgs-should-deal-with\/?lang=ja","title":{"rendered":"\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306b\u3088\u3063\u3066\u4f01\u696d\u304c\u76f4\u9762\u3059\u308b\uff13\u3064\u306e\u4e0d\u90fd\u5408\u306a\u771f\u5b9f"},"content":{"rendered":"<p>\u304b\u3064\u3066\u3001\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u653b\u6483\u306f\u4e0d\u7279\u5b9a\u591a\u6570\u3092\u72d9\u3046\u3070\u3089\u307e\u304d\u578b\u304c\u4e3b\u6d41\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u73fe\u5728\u3067\u306f\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306f\u4f01\u696d\u306e\u4e2d\u306b\u6df1\u304f\u4fb5\u5165\u3057\u3001\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u76d7\u307f\u51fa\u3057\u3066\u91cd\u8981\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u3092\u6697\u53f7\u5316\u3057\u3066\u4e8b\u696d\u904b\u55b6\u3092\u30de\u30d2\u3055\u305b\u308b\u3053\u3068\u3067\u9ad8\u984d\u306a\u8eab\u4ee3\u91d1\u3092\u5f97\u308b\u6226\u8853\u306b\u5909\u5316\u3057\u307e\u3057\u305f\u3002\u3053\u3046\u3057\u305f\u624b\u6cd5\u306e\u5909\u5316\u304c\u3082\u305f\u3089\u3057\u305f\u306e\u306f\u8eab\u4ee3\u91d1\u3068\u4e8b\u696d\u7d99\u7d9a\u30ea\u30b9\u30af\u306e\u9ad8\u307e\u308a\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u672c\u7a3f\u3067\u306f\u5f0a\u793eUnit 42\u304c2021\u5e743\u6708\u306b\u30ea\u30ea\u30fc\u30b9\u3057\u305f\u300c<a href=\"https:\/\/start.paloaltonetworks.jp\/unit-42-ransomware-threat-report.html\" rel=\"nofollow,noopener\" >2021 Unit 42\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u8105\u5a01\u30ec\u30dd\u30fc\u30c8<\/a>\u300d\u306e\u30c7\u30fc\u30bf\u3068\u3001\u6700\u8fd1\u306e\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u88ab\u5bb3\u4e8b\u4f8b\u304b\u3089\u4f01\u696d\u304c\u76f4\u9762\u3057\u3066\u3044\u308b3\u3064\u306e\u8ab2\u984c\u306b\u3064\u3044\u3066\u8003\u5bdf\u3057\u307e\u3059\u3002<\/p>\n<h1>1. \u591a\u304f\u306e\u6a19\u7684\u578b\u653b\u6483\u304c\u6210\u529f\u3057\u3066\u3044\u308b<\/h1>\n<p>\u73fe\u5728\u306e\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u653b\u6483\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u3092\u3042\u3089\u308f\u3057\u305f\u3082\u306e\u304c\u56f31\u3067\u3059\u3002\u653b\u6483\u8005\u306f\u4fb5\u5165\u3067\u304d\u308b\u3068\u3053\u308d\u304c\u306a\u3044\u304b\u5075\u5bdf\u3092\u884c\u3044\u3001\u4fb5\u5165\u3057\u3066\u7d44\u7e54\u5185\u90e8\u3092\u63a2\u7d22\u3057\u305f\u5f8c\u306b\u3001\u767a\u898b\u3057\u305f\u30c7\u30fc\u30bf\u3092\u7a83\u53d6\u3057\u307e\u3059\u3002\u6b21\u306bActiveDirectory\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u91cd\u8981\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u6697\u53f7\u5316\u3057\u3066\u696d\u52d9\u306b\u652f\u969c\u304c\u751f\u3058\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u306b\u8eab\u4ee3\u91d1\u3092\u8981\u6c42\u3057\u3001\u53d6\u5f15\u306b\u5fdc\u3058\u306a\u3044\u5834\u5408\u306f\u76d7\u307f\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u3092\u516c\u958b\u3059\u308b\u3068\u8105\u3057\u307e\u3059\u3002\u5075\u5bdf\u304b\u3089\u7a83\u53d6\u307e\u3067\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u3044\u308f\u3086\u308b\u6a19\u7684\u578b\u653b\u6483\u3084\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u30c6\u30b9\u30c8\u3068\u540c\u69d8\u306e\u6226\u8853\u30fb\u6280\u8853\u30fb\u624b\u6cd5\uff08TTP\uff09\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_135150\" aria-describedby=\"caption-attachment-135150\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.paloaltonetworks.com\/blog\/wp-content\/uploads\/2021\/06\/Fig1.png\"><div style=\"max-width:100%\" data-width=\"900\"><span class=\"ar-custom\" style=\"padding-bottom:41.33%;\"><img loading=\"lazy\" decoding=\"async\"  class=\"wp-image-135150 lozad\"  data-src=\"https:\/\/www.paloaltonetworks.com\/blog\/wp-content\/uploads\/2021\/06\/Fig1.png\" alt=\"\u56f31: \u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u653b\u6483\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\" width=\"900\" height=\"372\" \/><\/span><\/div><\/a><figcaption id=\"caption-attachment-135150\" class=\"wp-caption-text\">\u56f31: \u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u653b\u6483\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb<\/figcaption><\/figure>\n<p>\u552f\u4e00\u7570\u306a\u308b\u306e\u306f\u653b\u6483\u8005\u306b\u3088\u308b\u88ab\u5bb3\u8005\u3078\u306e\u544a\u77e5\u3067\u3059\u3002\u77e5\u8ca1\u306a\u3069\u306e\u60c5\u5831\u3092\u76ee\u7684\u3068\u3057\u305f\u6a19\u7684\u578b\u653b\u6483\u3067\u306f\u3001\u653b\u6483\u8005\u306f\u30c7\u30fc\u30bf\u3092\u7a83\u53d6\u3057\u3066\u305d\u306e\u307e\u307e\u7acb\u3061\u53bb\u308b\u305f\u3081\u3001\u88ab\u5bb3\u8005\u306f\u88ab\u5bb3\u306b\u3042\u3063\u305f\u3053\u3068\u306b\u6c17\u3065\u304b\u306a\u3044\u307e\u307e\u306b\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u3092\u4f7f\u3046\u72af\u7f6a\u8005\u306f\u4fb5\u5165\u3057\u3066\u30c7\u30fc\u30bf\u3092\u7a83\u53d6\u3057\u305f\u3053\u3068\u3092\u88ab\u5bb3\u8005\u306b\u544a\u3052\u4ea4\u6e09\u3092\u958b\u59cb\u3059\u308b\u305f\u3081\u3001\u81ea\u3089\u304c\u88ab\u5bb3\u306b\u3042\u3063\u305f\u3053\u3068\u3092\u77e5\u899a\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u76d7\u307f\u51fa\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u30ea\u30fc\u30af\u30b5\u30a4\u30c8\u306b\u516c\u958b\u3055\u308c\u305f\u5834\u5408\u3001\u591a\u304f\u306e\u7b2c\u4e09\u8005\u306b\u3082\u88ab\u5bb3\u304c\u77e5\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u5f0a\u793e\u306e\u8abf\u67fb\u3067\u306f\u30012020\u5e74\u306b\u30ea\u30fc\u30af\u30b5\u30a4\u30c8\u3067\u516c\u8868\u3055\u308c\u305f\u88ab\u5bb3\u7d44\u7e54\u306f337\u3042\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u72af\u7f6a\u8005\u3068\u4ea4\u6e09\u4e2d\u3082\u3057\u304f\u306f\u4ea4\u6e09\u304c\u6c7a\u88c2\u3057\u305f\u7d44\u7e54\u306e\u6570\u3068\u8003\u3048\u3089\u308c\u308b\u305f\u3081\u3001\u5b9f\u969b\u306e\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u88ab\u5bb3\u4f01\u696d\u306e\u6570\u306f\u3053\u308c\u3088\u308a\u306f\u308b\u304b\u306b\u591a\u3044\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u3055\u3089\u306b\u77e5\u8ca1\u306a\u3069\u3092\u76ee\u7684\u3068\u3057\u305f\u6a19\u7684\u578b\u653b\u6483\u3067\u3082\u4fb5\u5165\u3084\u5185\u90e8\u63a2\u7d22\u306a\u3069\u306b\u540c\u3058\u624b\u6cd5\u304c\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u8003\u3048\u308b\u3068\u3001\u4e16\u754c\u4e2d\u3067\u76f8\u5f53\u6570\u306e\u7d44\u7e54\u304c\u6a19\u7684\u578b\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306b\u3088\u3063\u3066\u4fb5\u5165\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u306e\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u4ee5\u5916\u306e\u6a19\u7684\u578b\u653b\u6483\u3067\u306f\u6c17\u304c\u4ed8\u3044\u3066\u3044\u306a\u3044\u3060\u3051\u3068\u3044\u3046\u3053\u3068\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<h1>2. \u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u30ea\u30b9\u30af\u304c\u9855\u5728\u5316\u3057\u3066\u3044\u308b<\/h1>\n<figure id=\"attachment_135180\" aria-describedby=\"caption-attachment-135180\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.paloaltonetworks.com\/blog\/wp-content\/uploads\/2021\/06\/Fig3.png\"><div style=\"max-width:100%\" data-width=\"900\"><span class=\"ar-custom\" style=\"padding-bottom:103.11%;\"><img loading=\"lazy\" decoding=\"async\"  class=\"wp-image-135180 lozad\"  data-src=\"https:\/\/www.paloaltonetworks.com\/blog\/wp-content\/uploads\/2021\/06\/Fig3.png\" alt=\"\u56f32 2020 \u5e741 \u6708\uff5e 2021 \u5e741 \u6708\u306b\u6295\u7a3f\u30b5\u30a4\u30c8\u3067\u30c7\u30fc\u30bf\u3092\u516c\u958b\u3055\u308c\u308b\u88ab\u5bb3\u3092\u53d7\u3051\u305f\u7d44\u7e54\u306e\u56fd\u5225\u6570\" width=\"900\" height=\"928\" \/><\/span><\/div><\/a><figcaption id=\"caption-attachment-135180\" class=\"wp-caption-text\">\u56f32 2020 \u5e741 \u6708\uff5e 2021 \u5e741 \u6708\u306b\u6295\u7a3f\u30b5\u30a4\u30c8\u3067\u30c7\u30fc\u30bf\u3092\u516c\u958b\u3055\u308c\u308b\u88ab\u5bb3\u3092\u53d7\u3051\u305f\u7d44\u7e54\u306e\u56fd\u5225\u6570(\u300c<a href=\"https:\/\/start.paloaltonetworks.jp\/unit-42-ransomware-threat-report.html\" rel=\"nofollow,noopener\" >\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u8105\u5a01\u30ec\u30dd\u30fc\u30c8<\/a>\u300d\u3088\u308a)<\/figcaption><\/figure>\n<p>\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u3067\u73fe\u5728\u4e3b\u6d41\u306a\u306e\u306f\u4e8c\u91cd\u8105\u8feb\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3001\u76d7\u307f\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u3092\u516c\u958b\u3059\u308b\u3068\u8105\u3057\u3066\u88ab\u5bb3\u4f01\u696d\u306b\u4ea4\u6e09\u306e\u958b\u59cb\u3092\u8feb\u308a\u307e\u3059\u3002\u76d7\u307f\u51fa\u3059\u30c7\u30fc\u30bf\u3082\u66f8\u985e\u3084\u753b\u50cf\u3060\u3051\u306b\u3068\u3069\u307e\u3089\u305a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u307e\u308b\u3054\u3068\u30b3\u30d4\u30fc\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308b\u305f\u3081\u3001\u30ea\u30fc\u30af\u30b5\u30a4\u30c8\u3067\u516c\u958b\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u5927\u304d\u3044\u3082\u306e\u3067\u306f\u6570\u767eGB\u306b\u3082\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u4e00\u90e8\u306e\u653b\u6483\u8005\u306f\u76d7\u307f\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u3092\u30aa\u30fc\u30af\u30b7\u30e7\u30f3\u5f62\u5f0f\u3067\u8ca9\u58f2\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u554f\u984c\u3092\u8907\u96d1\u306b\u3057\u3066\u3044\u308b\u306e\u304c\u3001\u76d7\u307f\u51fa\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u88ab\u5bb3\u4f01\u696d\u306e\u3082\u306e\u3060\u3051\u306b\u3068\u3069\u307e\u3089\u305a\u53d6\u5f15\u306e\u3042\u308b\u5916\u90e8\u4f01\u696d\u306e\u60c5\u5831\u3092\u542b\u3080\u30b1\u30fc\u30b9\u3067\u3059\u3002\u3053\u3093\u306b\u3061\u3001\u53d6\u5f15\u5148\u306b\u304b\u304b\u308f\u308b\u30c7\u30fc\u30bf\u3092\u4e00\u5207\u6301\u305f\u306a\u3044\u3088\u3046\u306b\u4e8b\u696d\u3092\u884c\u3046\u306e\u306f\u4e0d\u53ef\u80fd\u3068\u8a00\u3048\u307e\u3059\u3002\u53d6\u5f15\u5148\u30c7\u30fc\u30bf\u304c\u76d7\u307f\u51fa\u3055\u308c\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u8ab0\u3067\u3082\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u308b\u3088\u3046\u306b\u516c\u958b\u3055\u308c\u308b\u306e\u306f\u4f01\u696d\u306b\u3068\u3063\u3066\u306f\u662f\u304c\u975e\u3067\u3082\u56de\u907f\u3057\u305f\u3044\u3053\u3068\u306e1\u3064\u3067\u3059\u3002<\/p>\n<p>2021\u5e744\u6708\u306b\u767a\u751f\u3057\u305f\u7c73\u56fd\u306e\u3042\u308b\u6cd5\u57f7\u884c\u6a5f\u95a2\u304c\u88ab\u5bb3\u306b\u3042\u3063\u305f\u4f8b\u3067\u306f\u3001250GB\u3082\u306e\u30c7\u30fc\u30bf\u304c\u30ea\u30fc\u30af\u30b5\u30a4\u30c8\u3067\u516c\u958b\u3055\u308c\u307e\u3057\u305f\u3002\u5831\u9053\u7b49\u3082\u3042\u308a\u95a2\u5fc3\u304c\u9ad8\u304b\u3063\u305f\u305f\u3081\u3001\u30c7\u30fc\u30bf\u516c\u958b\u5f8c\u6570\u65e5\u3067\u30ea\u30fc\u30af\u30b5\u30a4\u30c8\u306e\u30a2\u30af\u30bb\u30b9\u30ab\u30a6\u30f3\u30bf\u30fc\u306f\u6570\u4e07\u3092\u8d85\u3048\u3066\u3044\u307e\u3057\u305f\u3002<a href=\"https:\/\/www.washingtonpost.com\/local\/public-safety\/ransomware-attack-dc-police\/2021\/05\/11\/e1cb8600-b295-11eb-ab43-bebddc5a0f65_story.html\" rel=\"nofollow,noopener\" >\u5831\u9053\u8a18\u4e8b<\/a>\u306b\u3088\u308c\u3070\u516c\u958b\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306b\u306f\u3001\u8b66\u5bdf\u5b98\u306e\u500b\u4eba\u60c5\u5831\u3060\u3051\u3067\u306a\u304f\u4ed6\u306e\u6cd5\u57f7\u884c\u6a5f\u95a2\u3068\u5171\u6709\u3057\u3066\u3044\u308b\u635c\u67fb\u60c5\u5831\u3082\u542b\u307e\u308c\u3066\u3044\u305f\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5206\u91ce\u306b\u304a\u3051\u308b\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u30ea\u30b9\u30af\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u308c\u307e\u3067\u3082\u61f8\u5ff5\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u4e8c\u91cd\u8105\u8feb\u3092\u884c\u3046\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306b\u3088\u3063\u3066\u6c11\u9593\u30fb\u516c\u7684\u6a5f\u95a2\u306e\u53cc\u65b9\u3067\u73fe\u5b9f\u306e\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h1>3. \u88ab\u5bb3\u5f8c\u306f\u9078\u629e\u80a2\u304c\u9650\u3089\u308c\u308b<\/h1>\n<figure id=\"attachment_135167\" aria-describedby=\"caption-attachment-135167\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.paloaltonetworks.com\/blog\/wp-content\/uploads\/2021\/06\/Fig2.png\"><div style=\"max-width:100%\" data-width=\"900\"><span class=\"ar-custom\" style=\"padding-bottom:56.44%;\"><img loading=\"lazy\" decoding=\"async\"  class=\"wp-image-135167 lozad\"  data-src=\"https:\/\/www.paloaltonetworks.com\/blog\/wp-content\/uploads\/2021\/06\/Fig2.png\" alt=\"\u56f33 \u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306b\u3088\u308b\u30b3\u30b9\u30c8\u306e\u5206\u985e\" width=\"900\" height=\"508\" \/><\/span><\/div><\/a><figcaption id=\"caption-attachment-135167\" class=\"wp-caption-text\">\u56f33 \u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306b\u3088\u308b\u30b3\u30b9\u30c8\u306e\u5206\u985e (\u300c<a href=\"https:\/\/start.paloaltonetworks.jp\/unit-42-ransomware-threat-report.html\" rel=\"nofollow,noopener\" >\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u8105\u5a01\u30ec\u30dd\u30fc\u30c8<\/a>\u300d\u3088\u308a)<\/figcaption><\/figure>\n<p><a href=\"https:\/\/start.paloaltonetworks.jp\/unit-42-ransomware-threat-report.html\" rel=\"nofollow,noopener\" >\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u8105\u5a01\u30ec\u30dd\u30fc\u30c8<\/a>\u306b\u3088\u308c\u3070\u30012020\u5e74\u306e\u8eab\u4ee3\u91d1\u306e\u5e73\u5747\u8981\u6c42\u984d\u306f\u7d0485\u4e07\u30c9\u30eb\uff08\u7d049200\u4e07\u5186\uff09\u3001\u5b9f\u969b\u306b\u652f\u6255\u308f\u308c\u305f\u91d1\u984d\u306e\u5e73\u5747\u306f\u7d0431\u4e07\u30c9\u30eb\uff08\u7d043300\u4e07\u5186\uff09\u3067\u3057\u305f\u3002\u72af\u7f6a\u8005\u306b\u3088\u308b\u6700\u9ad8\u8981\u6c42\u984d\u306f3\u5343\u4e07\u30c9\u30eb\uff08\u7d0433\u5104\u5186\uff09\u3067\u3001\u88ab\u5bb3\u8005\u306b\u3088\u308b\u652f\u6255\u3044\u91d1\u984d\u306e\u6700\u9ad8\u306f1\u5343\u4e07\u30c9\u30eb\uff08\u7d0411\u5104\u5186\uff09\u3067\u3059\u30022019\u5e74\u4ee5\u524d\u3068\u6bd4\u3079\u3066\u3082\u9ad8\u9a30\u5316\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u88ab\u5bb3\u306b\u3042\u3063\u305f\u5834\u5408\u3001\u5e73\u5747\u3057\u3066<a href=\"https:\/\/unit42.paloaltonetworks.jp\/breaking-down-ransomware-attacks\/\" rel=\"nofollow,noopener\" >16\u65e5\u9593\u505c\u6b62<\/a>\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u30c7\u30fc\u30bf\u3082\u3042\u308b\u3088\u3046\u306b\u3001\u653b\u6483\u8005\u306f\u4e8b\u696d\u306e\u7d99\u7d9a\u306b\u304b\u304b\u308f\u308b\u91cd\u8981\u306a\u30b7\u30b9\u30c6\u30e0\u3084\u30c7\u30fc\u30bf\u3092\u72d9\u3044\u307e\u3059\u3002\u305d\u3057\u3066\u653b\u6483\u8005\u306f\u88ab\u5bb3\u8005\u306b\u5bfe\u3057\u3066\u3067\u304d\u308b\u9650\u308a\u65e9\u304f\u4ea4\u6e09\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u7740\u304f\u3088\u3046\u6c42\u3081\u307e\u3059\u3002\u305d\u3057\u3066\u4e00\u5b9a\u306e\u6642\u9593\u4ee5\u5185\u306b\u30b3\u30f3\u30bf\u30af\u30c8\u304c\u306a\u3044\u5834\u5408\u306f\u76d7\u307f\u51fa\u3057\u305f\u30c7\u30fc\u30bf\u3092\u30ea\u30fc\u30af\u30b5\u30a4\u30c8\u306b\u516c\u958b\u3059\u308b\u3068\u8105\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u6642\u70b9\u3067\u4f01\u696d\u306e\u7d4c\u55b6\u8005\u304c\u3068\u308c\u308b\u9078\u629e\u80a2\u306f\u3001\u4e8b\u696d\u306e\u7d99\u7d9a\u3068\u91cd\u8981\u30c7\u30fc\u30bf\u306e\u516c\u958b\u3092\u53d6\u308a\u3084\u3081\u308b\u305f\u3081\u306b\u72af\u7f6a\u8005\u3068\u4ea4\u6e09\u3057\u3066\u8eab\u4ee3\u91d1\u3092\u6255\u3046\u304b\u6255\u308f\u306a\u3044\u304b\u3001\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002\u77ed\u6642\u9593\u306e\u9593\u306b\u5fa9\u65e7\u4f5c\u696d\u3092\u884c\u3044\u3001\u76d7\u307f\u51fa\u3055\u308c\u305f\u60c5\u5831\u304c\u516c\u958b\u3055\u308c\u3066\u3082\u554f\u984c\u306a\u3044\u3082\u306e\u304b\u5224\u65ad\u3067\u304d\u308b\u4f01\u696d\u306f\u3055\u307b\u3069\u591a\u304f\u306f\u306a\u3044\u305f\u3081\u3001\u4ea4\u6e09\u3059\u308b\u5834\u5408\u3067\u3082\u4e0d\u5229\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<h1>\u307e\u3068\u3081<\/h1>\n<p>\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u653b\u6483\u306f\u6614\u304b\u3089\u3042\u308a\u307e\u3057\u305f\u304c\u3001\u72af\u7f6a\u8005\u306f\u6226\u8853\u3084\u624b\u6cd5\u3092\u5e38\u306b\u5909\u5316\u3055\u305b\u3066\u304d\u307e\u3057\u305f\u3002\u305d\u306e\u7d50\u679c\u3001\u73fe\u5728\u306e\u3088\u3046\u306a\u751a\u5927\u306a\u88ab\u5bb3\u3092\u751f\u3080\u6d17\u7df4\u3055\u308c\u305f\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u3078\u3068\u9032\u5316\u3057\u307e\u3057\u305f\u3002\u9ad8\u984d\u306a\u8eab\u4ee3\u91d1\u304c\u5f97\u3089\u308c\u308b\u3053\u3068\u3001Ransomware-as-a-Service(RaaS)\u306b\u3088\u308a\u5206\u696d\u4f53\u5236\u304c\u78ba\u7acb\u3057\u3066\u3044\u308b\u3053\u3068\u306a\u3069\u304b\u3089\u65b0\u898f\u306b\u53c2\u5165\u3057\u3066\u304f\u308b\u72af\u7f6a\u8005\u3082\u5897\u3048\u3001\u4eca\u5f8c\u3082\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u653b\u6483\u306f\u7d9a\u304f\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u88ab\u5bb3\u306b\u906d\u3046\u524d\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u3001\u81ea\u793e\u3060\u3051\u3067\u306a\u304f\u53d6\u5f15\u5148\u3082\u9632\u5fa1\u3059\u308b\u3053\u3068\u304c\u6025\u52d9\u3067\u3059\u3002<\/p>\n<div style=\"padding: 0.5em 1em; margin: 1em 0; background: #f4f4f4; border-left: solid 6px #FA582D;\">\n<p><em><span style=\"font-size: 12pt;\"><span style=\"font-weight: 400;\">\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u3068\u6226\u304612\u306e\u30d2\u30f3\u30c8\u3092<\/span><a href=\"https:\/\/unit42.paloaltonetworks.jp\/breaking-down-ransomware-attacks\/\" rel=\"nofollow,noopener\" ><span style=\"font-weight: 400;\">\u3053\u3061\u3089<\/span><\/a><span style=\"font-weight: 400;\">\u3067\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n<\/span><a href=\"https:\/\/start.paloaltonetworks.jp\/unit-42-ransomware-threat-report.html\" rel=\"nofollow,noopener\" ><span style=\"font-weight: 400;\">\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u8105\u5a01\u30ec\u30dd\u30fc\u30c8<\/span><\/a><span style=\"font-weight: 400;\">\u306b\u3082\u63a8\u5968\u4e8b\u9805\u3092\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002\u3042\u308f\u305b\u3066\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/span><\/span><\/em><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u304b\u3064\u3066\u3001\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u653b\u6483\u306f\u4e0d\u7279\u5b9a\u591a\u6570\u3092\u72d9\u3046\u3070\u3089\u307e\u304d\u578b\u304c\u4e3b\u6d41\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u73fe\u5728\u3067\u306f\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306f\u4f01\u696d\u306e\u4e2d\u306b\u6df1\u304f\u4fb5\u5165\u3057\u3001\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u76d7\u307f\u51fa\u3057\u3066\u91cd\u8981\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u3092\u6697\u53f7\u5316\u3057\u3066\u4e8b\u696d\u904b\u55b6\u3092\u30de\u30d2\u3055\u305b\u308b\u3053\u3068\u3067\u9ad8\u984d\u306a\u8eab\u4ee3\u91d1\u3092\u5f97\u308b\u6226\u8853\u306b\u5909\u5316\u3057\u307e\u3057\u305f\u3002\u3053\u3046\u3057\u305f\u624b\u6cd5\u306e\u5909\u5316\u304c\u3082\u305f\u3089\u3057\u305f\u306e\u306f\u8eab\u4ee3\u91d1\u3068\u4e8b\u696d\u7d99\u7d9a\u30ea\u30b9\u30af\u306e\u9ad8\u307e\u308a\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u672c\u7a3f\u3067\u306f\u5f0a\u793eUnit 42\u304c2021\u5e743\u6708\u306b\u30ea\u30ea\u30fc\u30b9\u3057\u305f\u300c2021 Unit 42\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u8105\u5a01\u30ec\u30dd\u30fc\u30c8\u300d\u306e\u30c7\u30fc\u30bf\u3068\u3001\u6700\u8fd1\u306e\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u88ab\u5bb3\u4e8b\u4f8b\u304b\u3089\u4f01\u696d\u304c\u76f4\u9762\u3057\u3066\u3044\u308b3\u3064\u306e\u8ab2\u984c\u306b\u3064\u3044\u3066\u8003\u5bdf\u3057\u307e\u3059\u3002 1. \u591a\u304f\u306e\u6a19\u7684\u578b\u653b\u6483\u304c\u6210\u529f\u3057\u3066\u3044\u308b 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