{"id":133984,"date":"2026-04-22T11:15:06","date_gmt":"2026-04-22T02:15:06","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=133984"},"modified":"2026-04-22T11:15:06","modified_gmt":"2026-04-22T02:15:06","slug":"windows11-antivirus-need","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/windows11-antivirus-need\/","title":{"rendered":"Windows 11\u306b\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u306f\u5fc5\u8981\uff1f Microsoft\u304c\u3064\u3044\u306b\u516c\u5f0f\u898b\u89e3\u3092\u516c\u958b"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/04\/s_20260422-_110207.webp\" alt=\"\" width=\"1238\" height=\"773\" class=\"aligncenter size-full wp-image-133985\" \/><\/p>\n<p>\u5f93\u6765\u3001Windows\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u30bd\u30d5\u30c8\u3092\u5225\u9014\u5c0e\u5165\u3059\u308b\u306e\u306f\u5f53\u305f\u308a\u524d\u306e\u884c\u52d5\u3067\u3057\u305f\u3002\u3057\u304b\u3057Windows 11\u306b\u306f\u6a19\u6e96\u306e\u4fdd\u8b77\u6a5f\u80fd\u304c\u5c0e\u5165\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u5e38\u8b58\u306f\u63fa\u3089\u3044\u3067\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u3001Microsoft\u304c\u516c\u958b\u3057\u305f<a href=\"https:\/\/www.microsoft.com\/en-us\/windows\/learning-center\/best-antivirus-software-for-windows#wl\">\u6700\u65b0\u306e\u30b5\u30dd\u30fc\u30c8\u6587\u66f8<\/a>\u306b\u3088\u3063\u3066\u3001\u300cWindows 11\u306b\u8ffd\u52a0\u306e\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u306f\u5fc5\u8981\u306a\u306e\u304b\u300d\u3068\u3044\u3046\u9577\u5e74\u306e\u7591\u554f\u306b\u5bfe\u3059\u308b\u516c\u5f0f\u898b\u89e3\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u7d50\u8ad6\u304b\u3089\u8a00\u3048\u3070\u3001<strong>\u4e00\u822c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3067\u3042\u308c\u3070\u3001Windows 11\u6a19\u6e96\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3060\u3051\u3067\u5341\u5206<\/strong>\u3060\u3068\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u6a19\u6e96\u642d\u8f09\u306e\u300cWindows\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u300d\u304c\u5f37\u5316\u3055\u308c\u7d9a\u3051\u3066\u3044\u308b<\/h2>\n<p>Windows XP\u3084Windows 7\u306e\u6642\u4ee3\u306f\u3001\u6a19\u6e96\u306e\u4fdd\u8b77\u6a5f\u80fd\u304c\u5f31\u304f\u3001Norton\u3084McAfee\u306a\u3069\u306e\u5916\u90e8\u30bd\u30d5\u30c8\u304c\u5fc5\u9808\u3068\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3057\u304b\u3057Windows 10\u4ee5\u964d\u3001Microsoft Defender\u3092\u4e2d\u5fc3\u3068\u3057\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u304c\u5927\u5e45\u306b\u5f37\u5316\u3055\u308c\u3001Windows 11\u3067\u306fOS\u5168\u4f53\u306b\u7d71\u5408\u3055\u308c\u305f\u591a\u5c64\u9632\u5fa1\u3068\u3057\u3066\u5b8c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Microsoft\u306f\u3001Windows 11\u304c\u300c\u6700\u3082\u5b89\u5168\u306aWindows\u300d\u3067\u3042\u308a\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u4fdd\u8b77\u30fb\u632f\u308b\u821e\u3044\u691c\u77e5\u30fb\u30af\u30e9\u30a6\u30c9\u5206\u6790\u306a\u3069\u3092\u5099\u3048\u305f\u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u306e\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u3092\u6a19\u6e96\u3067\u63d0\u4f9b\u3057\u3066\u3044\u308b\u3068\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Microsoft \u304c\u300c\u8ffd\u52a0\u306e\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u306f\u4e0d\u8981\u300d\u3068\u3059\u308b\u524d\u63d0\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4e00\u822c\u7684\u306a\u5229\u7528\u74b0\u5883\u3067\u3059\u3002<\/p>\n<ul>\n<li>Windows Update \u304c\u5b9a\u671f\u7684\u306b\u9069\u7528\u3055\u308c\u3066\u3044\u308b<\/li>\n<li>SmartScreen \u304c\u6709\u52b9<\/li>\n<li>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u5143\u304c\u4fe1\u983c\u3067\u304d\u308b\u30b5\u30a4\u30c8\u306b\u9650\u3089\u308c\u3066\u3044\u308b<\/li>\n<\/ul>\n<p>\u3053\u306e\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u3066\u3044\u308c\u3070\u3001Defender \u304c\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u6700\u65b0\u306e\u8105\u5a01\u60c5\u5831\u3092\u53d6\u308a\u8fbc\u307f\u306a\u304c\u3089\u4fdd\u8b77\u3092\u884c\u3044\u3001\u7279\u5225\u306a\u64cd\u4f5c\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u305d\u308c\u3067\u3082\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u9762<\/h2>\n<p>Microsoft \u306f\u5916\u90e8\u30bd\u30d5\u30c8\u3092\u5b8c\u5168\u306b\u5426\u5b9a\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u306f\u3001\u8ffd\u52a0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u304c\u6709\u52b9\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u4f01\u696d\u74b0\u5883\u3067\u306e\u96c6\u4e2d\u7ba1\u7406\u3084\u9ad8\u5ea6\u306a\u8105\u5a01\u76e3\u8996\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n<li>\u5bb6\u65cf\u5411\u3051\u306e\u30da\u30a2\u30ec\u30f3\u30bf\u30eb\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u5f37\u5316\u3057\u305f\u3044\u5834\u5408<\/li>\n<li>VPN\u3084ID\u4fdd\u8b77\u306a\u3069\u3001\u4ed8\u52a0\u30b5\u30fc\u30d3\u30b9\u3092\u307e\u3068\u3081\u3066\u5229\u7528\u3057\u305f\u3044\u5834\u5408<\/li>\n<\/ul>\n<p>\u305f\u3060\u3057\u3001\u8907\u6570\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30b9\u30ad\u30e3\u30f3\u3092\u540c\u6642\u306b\u52d5\u304b\u3059\u3068\u7af6\u5408\u304c\u8d77\u304d\u3084\u3059\u304f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4f4e\u4e0b\u306e\u539f\u56e0\u306b\u306a\u308b\u70b9\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h2>Windows 11 \u306b\u7d44\u307f\u8fbc\u307e\u308c\u305f\u591a\u5c64\u9632\u5fa1\u306e\u4ed5\u7d44\u307f<\/h2>\n<p>Windows 11\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001\u5358\u306a\u308b\u30a6\u30a4\u30eb\u30b9\u30b9\u30ad\u30e3\u30f3\u306b\u3068\u3069\u307e\u308a\u307e\u305b\u3093\u3002OS\u5168\u4f53\u306b\u308f\u305f\u308b\u8907\u6570\u306e\u4ed5\u7d44\u307f\u304c\u9023\u643a\u3057\u3001\u672a\u77e5\u306e\u8105\u5a01\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>SmartScreen<\/strong>: Web \u30b5\u30a4\u30c8\u3084\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306e\u8a55\u5224\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u602a\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u524d\u306b\u8b66\u544a\u3002<\/li>\n<li><strong>Smart App Control<\/strong>: \u7f72\u540d\u306e\u306a\u3044\u30a2\u30d7\u30ea\u3084\u4fe1\u983c\u6027\u306e\u4f4e\u3044\u30a2\u30d7\u30ea\u3092\u5b9f\u884c\u305d\u306e\u3082\u306e\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u5f37\u529b\u306a\u4ed5\u7d44\u307f\u3002\u5b50\u3069\u3082\u3084\u9ad8\u9f62\u8005\u306e PC\u306b\u306f\u7279\u306b\u6709\u52b9\u3002<\/li>\n<li><strong>\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u5bfe\u7b56(Controlled Folder Access)<\/strong>: \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306a\u3069\u91cd\u8981\u30d5\u30a9\u30eb\u30c0\u30fc\u3078\u306e\u4e0d\u6b63\u306a\u66f8\u304d\u8fbc\u307f\u3092\u9632\u304e\u3001\u30d5\u30a1\u30a4\u30eb\u6697\u53f7\u5316\u3092\u672a\u7136\u306b\u963b\u6b62\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u307e\u305fAI\u6642\u4ee3\u306b\u3042\u308f\u305b\u3066Defender\u3082\u9032\u5316\u3057\u3066\u3044\u307e\u3059\u30022026\u5e74\u73fe\u5728\u3001\u653b\u6483\u8005\u3082AI\u3092\u6d3b\u7528\u3057\u3001\u5de7\u5999\u306a\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30e1\u30fc\u30eb\u3084\u96e3\u8aad\u5316\u3055\u308c\u305f\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u751f\u6210\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057Microsoft\u306f\u3001AI\u306b\u3088\u3063\u3066\u751f\u307e\u308c\u308b\"\u7279\u5fb4\u7684\u306a\u30d1\u30bf\u30fc\u30f3\"\u3092\u9006\u306b\u691c\u77e5\u30b7\u30b0\u30ca\u30eb\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u308b\u3068\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Defender\u306f\u30af\u30e9\u30a6\u30c9\u4e0a\u3067\u81a8\u5927\u306a\u30c6\u30ec\u30e1\u30c8\u30ea\u3092\u5206\u6790\u3057\u3001\u672a\u77e5\u306e\u653b\u6483\u3067\u3082\u632f\u308b\u821e\u3044\u304b\u3089\u691c\u77e5\u3059\u308b\u4ed5\u7d44\u307f\u3092\u5099\u3048\u3066\u3044\u308b\u305f\u3081\u3001AI\u751f\u6210\u578b\u306e\u8105\u5a01\u306b\u3082\u5bfe\u5fdc\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h2>\u7d50\u8ad6\uff1a2026\u5e74\u306e Windows 11 \u306f\u6a19\u6e96\u6a5f\u80fd\u3067\u5341\u5206<\/h2>\n<p>\u4e00\u822c\u30e6\u30fc\u30b6\u30fc\u304c\u5b89\u5168\u306a\u4f7f\u3044\u65b9\u3092\u3057\u3066\u3044\u308b\u9650\u308a\u3001Windows 11\u306b\u8ffd\u52a0\u306e\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u306f\u57fa\u672c\u7684\u306b\u4e0d\u8981\u3060\u3068Microsoft\u306f\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002OS\u306b\u7d71\u5408\u3055\u308c\u305f\u591a\u5c64\u9632\u5fa1\u304c\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u4fdd\u8b77\u30fb\u632f\u308b\u821e\u3044\u691c\u77e5\u30fb\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u5bfe\u7b56\u30fb\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u9632\u5fa1\u307e\u3067\u30ab\u30d0\u30fc\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u4f01\u696d\u5229\u7528\u3084\u7279\u5b9a\u306e\u4ed8\u52a0\u6a5f\u80fd\u3092\u6c42\u3081\u308b\u5834\u5408\u306f\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30bd\u30d5\u30c8\u304c\u9078\u629e\u80a2\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>[via <a href=\"https:\/\/www.windowslatest.com\/2026\/04\/21\/microsoft-quietly-reveals-whether-you-need-a-third-party-antivirus-software-in-windows-11\/\">Windows Latest<\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f93\u6765\u3001Windows\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u30a2\u30f3\u30c1\u30a6\u30a4\u30eb\u30b9\u30bd\u30d5\u30c8\u3092\u5225\u9014\u5c0e\u5165\u3059\u308b\u306e\u306f\u5f53\u305f\u308a\u524d\u306e\u884c\u52d5\u3067\u3057\u305f\u3002\u3057\u304b\u3057Windows 11\u306b\u306f\u6a19\u6e96\u306e\u4fdd\u8b77\u6a5f\u80fd\u304c\u5c0e\u5165\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u5e38\u8b58\u306f\u63fa\u3089\u3044\u3067\u3044\u307e\u3059\u3002 \u4eca\u56de\u3001Microsoft\u304c\u516c\u958b\u3057\u305f [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":133985,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[3757,3298,4387],"class_list":["post-133984","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-antivirus","tag-windows","tag-windows11"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/133984","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=133984"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/133984\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/133985"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=133984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=133984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=133984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}