{"id":1974,"date":"2024-10-09T11:37:53","date_gmt":"2024-10-09T03:37:53","guid":{"rendered":"https:\/\/www.openbyt.com\/one-swallow-does-not-make-the-spring-2"},"modified":"2024-10-17T19:54:55","modified_gmt":"2024-10-17T11:54:55","slug":"one-swallow-does-not-make-the-spring-2","status":"publish","type":"post","link":"https:\/\/www.openbyt.com\/ja\/\u4e00\u98f2\u307f\u3067\u6625\u306f\u6765\u306a\u3044","title":{"rendered":"\u30c9\u30e1\u30a4\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306b\u5bfe\u51e6\u3059\u308b\u65b9\u6cd5\uff1a\u89e3\u6c7a\u7b56\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u542b\u3080\u8a73\u7d30\u306a\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb"},"content":{"rendered":"<p>\u30c9\u30e1\u30a4\u30f3\u306e\u4e57\u3063\u53d6\u308a\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8a55\u5224\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u640d\u306a\u3046\u53ef\u80fd\u6027\u306e\u3042\u308b\u91cd\u5927\u306a\u554f\u984c\u3067\u3059\u3002\u81ea\u5206\u306e\u30c9\u30e1\u30a4\u30f3\u3092\u958b\u3044\u3066\u307f\u305f\u3089\u3001\u4ed6\u4eba\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3060\u3063\u305f......\u3002\u3053\u306e\u30b7\u30ca\u30ea\u30aa\u306f\u3001DNS\u8a2d\u5b9a\u306e\u4fb5\u5bb3\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u4fb5\u5bb3\u3001\u3042\u308b\u3044\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3067\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u611f\u67d3\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u7406\u7531\u3067\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3092\u6307\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002DevOps\u30a8\u30f3\u30b8\u30cb\u30a2\u3084\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u3068\u3057\u3066\u3001\u30c9\u30e1\u30a4\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u89e3\u6c7a\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30c7\u30b8\u30bf\u30eb\u8cc7\u7523\u3092\u4fdd\u8b77\u3059\u308b\u4e0a\u3067\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u539f\u56e0\u3092\u63a2\u308a\u3001\u5b9f\u884c\u53ef\u80fd\u306a\u89e3\u6c7a\u7b56\u3092\u63d0\u4f9b\u3057\u3001\u5c06\u6765\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u304b\u3089\u30c9\u30e1\u30a4\u30f3\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u4e88\u9632\u7b56\u3092\u63d0\u6848\u3057\u307e\u3059\u3002<\/p><figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi.webp\" alt=\"\" class=\"wp-image-2204\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.44.44-An-infographic-illustrating-the-process-of-domain-hijacking-showing-how-attackers-compromise-DNS-settings-to-redirect-traffic-from-the-intended-websi-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><h3 class=\"wp-block-heading\">\u30c9\u30e1\u30a4\u30f3\u30fb\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u539f\u56e0\u306e\u7406\u89e3<\/h3><p>\u30c9\u30e1\u30a4\u30f3\u306e\u4e57\u3063\u53d6\u308a\u306f\u3001\u4e00\u822c\u7684\u306b3\u3064\u306e\u4e3b\u8981\u306a\u30ab\u30c6\u30b4\u30ea\u306b\u5206\u985e\u3055\u308c\u307e\u3059\uff1a<\/p><p><strong>1\uff1aDNS\u30cf\u30a4\u30b8\u30e3\u30c3\u30af<\/strong><\/p><p><strong><br><\/strong>DNS\u30cf\u30a4\u30b8\u30e3\u30c3\u30ad\u30f3\u30b0\u306f\u3001\u653b\u6483\u8005\u304c\u30c9\u30e1\u30a4\u30f3\u306eDNS\u30ec\u30b3\u30fc\u30c9\u3092\u5236\u5fa1\u3057\u3001Web\u30b5\u30a4\u30c8\u306e\u8a2a\u554f\u8005\u3092\u4e0d\u6b63\u306aIP\u30a2\u30c9\u30ec\u30b9\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u3053\u3068\u3067\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001DNS\u30b5\u30fc\u30d0\u30fc\u3092\u4fb5\u5bb3\u3059\u308b\u3001\u30bd\u30fc\u30b7\u30e3\u30eb\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u3066DNS\u7ba1\u7406\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3001\u307e\u305f\u306f\u30ec\u30b8\u30b9\u30c8\u30e9\u306e\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u624b\u6bb5\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p><ul class=\"wp-block-list\"><li><strong>\u4f8b<\/strong>:\u4e00\u822c\u7684\u306aDNS\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u4f01\u696d\u3067\u306f\u3001\u653b\u6483\u8005\u304c\u7ba1\u7406\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u3059\u3088\u3046\u306bDNS\u30ec\u30b3\u30fc\u30c9\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u7d50\u679c\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u6b63\u898f\u306e\u30b5\u30a4\u30c8\u3068\u540c\u3058\u3088\u3046\u306b\u898b\u3048\u308b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30b5\u30a4\u30c8\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/li><\/ul><figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici.webp\" alt=\"\" class=\"wp-image-2205\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-10.50.25-An-illustration-showing-the-process-of-DNS-hijacking-including-an-attacker-gaining-control-over-DNS-records-redirecting-website-visitors-to-a-malici-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>2\uff1a\u30b5\u30fc\u30d0\u30fc\u306e\u59a5\u5354<\/strong><\/p><p>\u653b\u6483\u8005\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u5909\u66f4\u3057\u305f\u308a\u3001\u60aa\u610f\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3092\u6ce8\u5165\u3057\u305f\u308a\u3001\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u3092\u5225\u306e\u5834\u6240\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u305b\u305f\u308a\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u81ea\u4f53\u304c\u4fb5\u5bb3\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u8106\u5f31\u6027\u304c\u60aa\u7528\u3055\u308c\u305f\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u8106\u5f31\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u4f7f\u7528\u3055\u308c\u305f\u308a\u3057\u305f\u5834\u5408\u306b\u3088\u304f\u898b\u3089\u308c\u307e\u3059\u3002<\/p><ul 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alt=\"\" class=\"wp-image-2211\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.01.14-An-illustration-showing-the-process-of-a-server-compromise-where-an-attacker-gains-unauthorized-access-to-a-web-server-through-an-outdated-CMS-versio.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.01.14-An-illustration-showing-the-process-of-a-server-compromise-where-an-attacker-gains-unauthorized-access-to-a-web-server-through-an-outdated-CMS-versio-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.01.14-An-illustration-showing-the-process-of-a-server-compromise-where-an-attacker-gains-unauthorized-access-to-a-web-server-through-an-outdated-CMS-versio-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.01.14-An-illustration-showing-the-process-of-a-server-compromise-where-an-attacker-gains-unauthorized-access-to-a-web-server-through-an-outdated-CMS-versio-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.01.14-An-illustration-showing-the-process-of-a-server-compromise-where-an-attacker-gains-unauthorized-access-to-a-web-server-through-an-outdated-CMS-versio-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.01.14-An-illustration-showing-the-process-of-a-server-compromise-where-an-attacker-gains-unauthorized-access-to-a-web-server-through-an-outdated-CMS-versio-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>3\uff1a\u30de\u30eb\u30a6\u30a7\u30a2\u611f\u67d3<\/strong><\/p><p>\u30b5\u30fc\u30d0\u30fc\u3084DNS\u3067\u306f\u306a\u304f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306b\u554f\u984c\u304c\u3042\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u3042\u306a\u305f\u306e\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u304c\u3001\u30d6\u30e9\u30a6\u30b6\u306eDNS\u8a2d\u5b9a\u3092\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3059\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u611f\u67d3\u3057\u3001\u610f\u56f3\u3057\u306a\u3044\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p><ul class=\"wp-block-list\"><li><strong>\u4f8b<\/strong>:\u30e6\u30fc\u30b6\u30fc\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u611f\u67d3\u3057\u3001\u30db\u30b9\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u3084DNS\u8a2d\u5b9a\u304c\u5909\u66f4\u3055\u308c\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u304a\u5ba2\u69d8\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u4ee3\u308f\u308a\u306b\u60aa\u610f\u306e\u3042\u308b\u30b5\u30a4\u30c8\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/li><\/ul><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti.webp\" alt=\"\" class=\"wp-image-2214\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.05.03-An-illustration-showing-the-process-of-malware-infection-affecting-website-access.-Include-a-users-device-infected-with-malware-visuals-of-DNS-setti-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><h3 class=\"wp-block-heading\">\u30c9\u30e1\u30a4\u30f3\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/h3><h4 class=\"wp-block-heading\">DNS\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u89e3\u6c7a<\/h4><p>\u30c9\u30e1\u30a4\u30f3\u304cDNS\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u306e\u88ab\u5bb3\u306b\u906d\u3063\u305f\u5834\u5408\u306f\u3001\u8fc5\u901f\u306a\u5bfe\u5fdc\u304c\u4e0d\u53ef\u6b20\u3067\u3059\uff1a<\/p><p><strong>\u30b9\u30c6\u30c3\u30d71: DNS\u30ec\u30b3\u30fc\u30c9\u306e\u78ba\u8a8d<\/strong><\/p><p><br>\u306a\u3069\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 <code>\u30a8\u30cc\u30a8\u30b9\u30eb\u30c3\u30af\u30a2\u30c3\u30d7<\/code> \u307e\u305f\u306f <code>\u6398\u308b<\/code> \u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u30c9\u30e1\u30a4\u30f3\u306eDNS\u30ec\u30b3\u30fc\u30c9\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p><pre class=\"wp-block-code\"><code>nslookup yourdomain.com\ndig yourdomain.com<\/code><\/pre><p>\u8fd4\u3055\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u304c\u6b63\u3057\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002IP\u304c\u898b\u6163\u308c\u306a\u3044\u3082\u306e\u3067\u3042\u3063\u305f\u308a\u3001\u5225\u306e\u5834\u6240\u3092\u6307\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001DNS\u8a2d\u5b9a\u304c\u4e57\u3063\u53d6\u3089\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p><p><strong>\u30b9\u30c6\u30c3\u30d72\uff1aDNS\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u5909\u66f4<\/strong><\/p><p>\u73fe\u5728\u3054\u5229\u7528\u306eDNS\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3092\u53d7\u3051\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u3088\u308a\u5b89\u5168\u306aDNS\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3078\u306e\u5909\u66f4\u3092\u3054\u691c\u8a0e\u304f\u3060\u3055\u3044\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u3042\u308a\u307e\u3059\u3002 <strong>\u30af\u30e9\u30a6\u30c9\u30d5\u30ec\u30a2<\/strong> \u307e\u305f\u306f <strong>\u30b0\u30fc\u30b0\u30ebDNS<\/strong> \u306f\u3001\u5f37\u5316\u3055\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3068DNS\u30d9\u30fc\u30b9\u306e\u653b\u6483\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p><p><strong>\u4f8b<\/strong>:DNSSEC\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044DNS\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u305f\u5834\u5408\u3001DNSSEC\u3092\u63d0\u4f9b\u3057\u3001\u30ec\u30fc\u30c8\u5236\u9650\u3084DDoS\u4fdd\u8b77\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3092\u7d71\u5408\u3057\u3066\u3044\u308bCloudflare\u3078\u306e\u79fb\u884c\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN.webp\" alt=\"\" class=\"wp-image-2217\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.11.49-An-illustration-depicting-a-DNS-migration-to-Cloudflare-for-enhanced-security.-Include-visuals-of-a-DNS-provider-without-DNSSEC-a-Cloudflare-logo-DN-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u30b9\u30c6\u30c3\u30d73\uff1aDNS\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u4fdd\u8b77<\/strong><\/p><p>DNS\u7ba1\u7406\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<\/p><ul class=\"wp-block-list\"><li><strong>\u4e8c\u8981\u7d20\u8a8d\u8a3c\uff082FA\uff09\u306e\u6709\u52b9\u5316<\/strong>:\u3053\u308c\u306f\u3001\u6a29\u9650\u306e\u306a\u3044\u4eba\u304c\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>DNSSEC\u306e\u6709\u52b9\u5316<\/strong>:DNSSEC\uff08Domain Name System Security Extensions\uff09\u306f\u3001DNS\u30ec\u30b3\u30fc\u30c9\u306b\u96fb\u5b50\u7f72\u540d\u3092\u4ed8\u4e0e\u3059\u308b\u3053\u3068\u3067\u3001DNS\u30ec\u30b3\u30fc\u30c9\u306e\u306a\u308a\u3059\u307e\u3057\u3092\u9632\u6b62\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>\u53e3\u5ea7\u6d3b\u52d5\u306e\u78ba\u8a8d<\/strong>:\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u30ed\u30b0\u3092\u78ba\u8a8d\u3057\u3001\u4e0d\u6b63\u306a\u30ed\u30b0\u30a4\u30f3\u3084\u5909\u66f4\u3092\u7279\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4e0d\u5be9\u306a\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u691c\u51fa\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u76f4\u3061\u306b\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li><\/ul><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I.webp\" alt=\"\" class=\"wp-image-2218\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.14.20-An-illustration-showing-DNS-account-security-steps-including-enabling-Two-Factor-Authentication-2FA-DNSSEC-and-reviewing-account-activity-logs.-I-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u30b9\u30c6\u30c3\u30d74\uff1aDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2<\/strong><\/p><p>\u4e0d\u6b63\u306aDNS\u60c5\u5831\u304c\u30ed\u30fc\u30ab\u30eb\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u306b\u306f\u3001\u30ed\u30fc\u30ab\u30eb\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3057\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u3082\u540c\u3058\u3053\u3068\u3092\u3059\u308b\u3088\u3046\u4fc3\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p><pre class=\"wp-block-code\"><code># Windows\nipconfig \/flushdns\n\n# macOS\nsudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder\n\n# Linux\nsudo systemctl restart nscd<\/code><\/pre><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein.webp\" alt=\"\" class=\"wp-image-2219\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.18.26-An-illustration-showing-the-process-of-clearing-DNS-cache-on-different-platforms-Windows-macOS-Linux.-Include-a-computer-screen-with-commands-bein-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u30b9\u30c6\u30c3\u30d75\uff1aDNS\u306e\u5909\u66f4\u3092\u76e3\u8996<\/strong><\/p><p>DNS\u30ec\u30b3\u30fc\u30c9\u306e\u5909\u66f4\u306e\u76e3\u8996\u3068\u30a2\u30e9\u30fc\u30c8\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30c4\u30fc\u30eb\u304c\u3042\u308a\u307e\u3059\u3002 <strong>DNS\u30b9\u30d1\u30a4<\/strong> \u307e\u305f\u306f <strong>\u30da\u30fc\u30b8\u30e3\u30fc\u30c7\u30e5\u30fc\u30c6\u30a3<\/strong> \u4e0d\u6b63\u306a\u5909\u66f4\u304c\u691c\u51fa\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u901a\u77e5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br><\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with-.webp\" alt=\"\" class=\"wp-image-2220\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with-.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with--600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with--100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with--300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with--150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.25.30-An-illustration-depicting-DNS-monitoring-and-alerts-setup.-Include-visuals-of-DNS-monitoring-tools-like-DNS-Spy-and-PagerDuty-a-computer-screen-with--768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u30b5\u30fc\u30d0\u30fc\u306e\u5371\u6b86\u5316\u3078\u306e\u5bfe\u5fdc<\/strong><\/p><p>DNS\u306e\u8a2d\u5b9a\u304c\u6b63\u3057\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30c9\u30e1\u30a4\u30f3\u304c\u6b63\u3057\u304f\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u4fb5\u5bb3\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p><p><strong>\u30b9\u30c6\u30c3\u30d71\uff1a\u30b5\u30fc\u30d0\u30fc\u30d5\u30a1\u30a4\u30eb\u306e\u5fa9\u5143<\/strong><\/p><p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u91cd\u8981\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u8abf\u3079\u307e\u3059\u3002 <code>.htaccess<\/code>, <code>index.php<\/code>\u304a\u3088\u3073\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30fb\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u6bd4\u8f03\u3059\u308b\u306b\u306f <code>\u5dee\u5206<\/code>:<\/p><pre class=\"wp-block-code\"><code># \u73fe\u5728\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\nsudo diff \/var\/www\/html\/index.php \/backup\/index.php<\/code><\/pre><p>\u4e0d\u4e00\u81f4\u304c\u898b\u3064\u304b\u3063\u305f\u5834\u5408\u306f\u3001\u5909\u66f4\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304b\u3089\u30af\u30ea\u30fc\u30f3\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/p><p><strong>\u30b9\u30c6\u30c3\u30d72\uff1a\u30b5\u30fc\u30d0\u30fc\u30ed\u30b0\u306e\u5206\u6790<\/strong><\/p><p>\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u3068\u30a8\u30e9\u30fc\u30ed\u30b0\u306b\u7570\u5e38\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3057\u307e\u3059\uff1a<\/p><pre class=\"wp-block-code\"><code>tail -n 50 \/var\/log\/nginx\/access.log\ngrep \"POST\" \/var\/log\/nginx\/access.log # \u7570\u5e38\u306aPOST\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u63a2\u3059<\/code><\/pre><p>\u7570\u5e38\u306a\u30a2\u30af\u30bb\u30b9\u30d1\u30bf\u30fc\u30f3\u3084\u30b3\u30de\u30f3\u30c9\u306e\u5b9f\u884c\u3092\u8a66\u307f\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u63a2\u3057\u307e\u3059\u3002<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t.webp\" alt=\"\" class=\"wp-image-2221\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.28.26-An-illustration-showing-steps-to-address-server-compromise.-Include-a-server-a-person-comparing-critical-files-like-.htaccess-and-index.php-using-a-t-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u30b9\u30c6\u30c3\u30d73\uff1a\u30d1\u30b9\u30ef\u30fc\u30c9\u3068\u30ad\u30fc\u306e\u5909\u66f4<\/strong><\/p><p>SSH\u30ad\u30fc\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a8d\u8a3c\u60c5\u5831\u306a\u3069\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u95a2\u9023\u3059\u308b\u3059\u3079\u3066\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5f37\u56fa\u3067\u4e00\u610f\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p><p><strong>\u30b9\u30c6\u30c3\u30d74\uff1a\u30b5\u30fc\u30d0\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316<\/strong><\/p><ul class=\"wp-block-list\"><li><strong>SSH\u30ad\u30fc\u8a8d\u8a3c<\/strong>:\u30d1\u30b9\u30ef\u30fc\u30c9\u30d9\u30fc\u30b9\u306eSSH\u30a2\u30af\u30bb\u30b9\u3092\u7121\u52b9\u306b\u3057\u3001\u4ee3\u308f\u308a\u306b\u30ad\u30fc\u30d9\u30fc\u30b9\u306e\u8a8d\u8a3c\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\uff08WAF\uff09<\/strong>:\u306e\u3088\u3046\u306aWAF\u3092\u5c0e\u5165\u3057\u307e\u3059\u3002 <strong>\u30e2\u30c3\u30c9\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong> \u307e\u305f\u306f <strong>\u30af\u30e9\u30a6\u30c9\u30d5\u30ec\u30a2WAF<\/strong> \u3092\u4f7f\u7528\u3057\u3066\u3001\u60aa\u610f\u306e\u3042\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u30b5\u30fc\u30d0\u30fc\u306b\u5230\u9054\u3059\u308b\u524d\u306b\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/li>\n\n<li><strong>\u6700\u5c0f\u7279\u6a29\u539f\u5247<\/strong>:\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u30d5\u30a9\u30eb\u30c0\u30fc\u306e\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u304c\u3001\u901a\u5e38\u306e\u64cd\u4f5c\u306b\u5fc5\u8981\u306a\u6700\u5c0f\u9650\u306e\u6a29\u9650\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u4f8b\u3048\u3070\u3001PHP\u30d5\u30a1\u30a4\u30eb\u306fWeb\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u66f8\u304d\u8fbc\u307f\u53ef\u80fd\u3067\u3042\u3063\u3066\u306f\u306a\u308a\u307e\u305b\u3093\uff09\u3002<\/li><\/ul><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W.webp\" alt=\"\" class=\"wp-image-2222\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.36.25-An-illustration-depicting-server-security-hardening-steps.-Include-visuals-for-SSH-Key-Authentication-disabling-password-based-access-deploying-a-W-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u30b9\u30c6\u30c3\u30d75\uff1a\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30b9\u30ad\u30e3\u30f3<\/strong><\/p><p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002 <code>\u30a2\u30fc\u30af\u30cf\u30f3\u30bf\u30fc<\/code>, <code>\u30c1\u30a7\u30c3\u30af\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8<\/code>\u306e\u3088\u3046\u306a\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30c4\u30fc\u30eb\u3082\u3042\u308a\u307e\u3059\u3002 <strong>\u30b9\u30af\u30ea<\/strong> \u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u30eb\u30fc\u30c8\u30ad\u30c3\u30c8\u3084\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u691c\u51fa\u3057\u307e\u3059\u3002<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser.webp\" alt=\"\" class=\"wp-image-2225\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.38.56-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u8efd\u6e1b<\/p><p>\u3042\u306a\u305f\u306e\u5074\u3067\u306f\u3059\u3079\u3066\u5b89\u5168\u3067\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u7d9a\u3051\u308b\u5834\u5408\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u4e0a\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u539f\u56e0\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser.webp\" alt=\"\" class=\"wp-image-2226\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.39.03-An-illustration-showing-server-security-tools-like-rkhunter-chkrootkit-and-Sucuri-being-used-to-detect-rootkits-or-malware.-Include-visuals-of-a-ser-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u30b9\u30c6\u30c3\u30d7 1: \u30e6\u30fc\u30b6\u30fc\u306e\u6559\u80b2<\/strong><\/p><p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4fe1\u983c\u3067\u304d\u308b\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30c4\u30fc\u30eb\u3067\u30c7\u30d0\u30a4\u30b9\u3092\u30b9\u30ad\u30e3\u30f3\u3059\u308b\u624b\u9806\u3092\u542b\u3081\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u53ef\u80fd\u6027\u306b\u3064\u3044\u3066\u8aac\u660e\u3059\u308b\u901a\u77e5\u3092\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u63b2\u8f09\u3057\u307e\u3059\u3002 <strong>\u30de\u30eb\u30a6\u30a7\u30a2\u30d0\u30a4\u30c8<\/strong> \u307e\u305f\u306f <strong>\u30ab\u30b9\u30da\u30eb\u30b9\u30ad\u30fc<\/strong>.<\/p><p><strong>\u30b9\u30c6\u30c3\u30d72\uff1a\u30d6\u30e9\u30a6\u30b6\u3068\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u8a2d\u5b9a<\/strong><\/p><p>\u30de\u30eb\u30a6\u30a7\u30a2\u306f\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u7d99\u7d9a\u3059\u308b\u305f\u3081\u306b\u4fdd\u5b58\u30c7\u30fc\u30bf\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308b\u305f\u3081\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u30af\u30c3\u30ad\u30fc\u3092\u30af\u30ea\u30a2\u3059\u308b\u3088\u3046\u30e6\u30fc\u30b6\u30fc\u306b\u30a2\u30c9\u30d0\u30a4\u30b9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p><p><strong>\u30b9\u30c6\u30c3\u30d7 3: \u30b7\u30b9\u30c6\u30e0\u306e\u5b8c\u5168\u30b9\u30ad\u30e3\u30f3\u3092\u63d0\u6848<\/strong><\/p><p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u5b8c\u5168\u306b\u30b9\u30ad\u30e3\u30f3\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002 <strong>\u30d3\u30c3\u30c8\u30c7\u30a3\u30d5\u30a7\u30f3\u30c0\u30fc<\/strong> \u307e\u305f\u306f <strong>\u30ce\u30fc\u30c8\u30f3\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>.<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u.webp\" alt=\"\" class=\"wp-image-2229\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.42.59-An-illustration-showing-steps-to-mitigate-client-side-malware-infections.-Include-visuals-of-a-website-providing-notice-to-users-about-malware-risk-u-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><p><strong>\u4e88\u9632\u7b56\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/p><p><strong>1.\u5b9a\u671f\u7684\u306a\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/strong>:DNS\u8a2d\u5b9a\u3001\u30b5\u30fc\u30d0\u30fc\u30d5\u30a1\u30a4\u30eb\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u307e\u3059\u3002\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5b89\u5168\u306a\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u30aa\u30d5\u30b5\u30a4\u30c8\u3067\u4fdd\u5b58\u3057\u307e\u3059\u3002 <strong>AWS S3<\/strong> \u307e\u305f\u306f <strong>Azure Blob\u30b9\u30c8\u30ec\u30fc\u30b8<\/strong>.<\/p><p><strong>2.\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u67fb<\/strong>:DNS\u8a2d\u5b9a\u3001\u30b5\u30fc\u30d0\u30fc\u8a2d\u5b9a\u3001\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u306e\u5b9a\u671f\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u76e3\u67fb\u3092\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3057\u3001\u8106\u5f31\u6027\u3084\u4e0d\u6b63\u5909\u66f4\u306e\u5146\u5019\u3092\u65e9\u671f\u306b\u691c\u51fa\u3057\u307e\u3059\u3002<\/p><p><strong>3.\u81ea\u52d5\u30a2\u30e9\u30fc\u30c8<\/strong>:DNS\u30ec\u30b3\u30fc\u30c9\u306e\u5909\u66f4\u3001\u4e88\u671f\u305b\u306c\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3001\u30ed\u30b0\u30a4\u30f3\u8a66\u884c\u306a\u3069\u306e\u81ea\u52d5\u30a2\u30e9\u30fc\u30c8\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u3093\u306a\u30b5\u30fc\u30d3\u30b9 <strong>\u30af\u30e9\u30a6\u30c9\u30d5\u30ec\u30a2<\/strong> \u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u30a2\u30e9\u30fc\u30c8\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p><p><strong>4.\u30b3\u30f3\u30c6\u30f3\u30c4\u30fb\u30c7\u30ea\u30d0\u30ea\u30fc\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CDN\uff09\u306e\u5229\u7528<\/strong>:\u306e\u3088\u3046\u306aCDN\u3092\u5c0e\u5165\u3057\u307e\u3059\u3002 <strong>\u30a2\u30ab\u30de\u30a4<\/strong> \u307e\u305f\u306f <strong>\u30af\u30e9\u30a6\u30c9\u30d5\u30ec\u30a2<\/strong> DDoS\u4fdd\u8b77\u3084\u30ea\u30af\u30a8\u30b9\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306a\u3069\u306e\u6a5f\u80fd\u306b\u3088\u308a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p><p><strong>5.\u30c9\u30e1\u30a4\u30f3\u30ed\u30c3\u30af<\/strong>:\u6709\u52b9 <strong>\u30c9\u30e1\u30a4\u30f3\u30ed\u30c3\u30af<\/strong> \u30ec\u30b8\u30b9\u30c8\u30e9\u3092\u7d4c\u7531\u3057\u3066\u3001\u4e0d\u6b63\u306a\u30c9\u30e1\u30a4\u30f3\u8ee2\u9001\u3092\u9632\u6b62\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ec\u30b8\u30b9\u30c8\u30e9\u30ec\u30d9\u30eb\u306e\u4e0d\u6b63\u306a\u5909\u66f4\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u30ec\u30a4\u30e4\u30fc\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<\/p><figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A.webp\" alt=\"\" class=\"wp-image-2230\" srcset=\"https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A.webp 1024w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A-600x600.webp 600w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A-100x100.webp 100w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A-300x300.webp 300w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A-150x150.webp 150w, https:\/\/www.openbyt.com\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-10-11.45.24-An-illustration-showing-best-practices-for-preventing-domain-hijacking.-Include-visuals-for-regular-backups-e.g.-cloud-storage-icon-like-AWS-S3-or-A-768x768.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><h3 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