{"id":6805,"date":"2026-02-02T22:05:47","date_gmt":"2026-02-02T22:05:47","guid":{"rendered":"https:\/\/cybersecurityinfocus.com\/?p=6805"},"modified":"2026-02-02T22:05:47","modified_gmt":"2026-02-02T22:05:47","slug":"microsoft-disables-ntlm-in-windows","status":"publish","type":"post","link":"https:\/\/cybersecurityinfocus.com\/?p=6805","title":{"rendered":"Microsoft disables NTLM in Windows"},"content":{"rendered":"<div>\n<div class=\"grid grid--cols-10@md grid--cols-8@lg article-column\">\n<div class=\"col-12 col-10@md col-6@lg col-start-3@lg\">\n<div class=\"article-column__content\">\n<div class=\"container\"><\/div>\n<p>Microsoft has announced that the phase-out of NT LAN Manager (NTLM) is now transitioning to disabling the protocol by default, in an effort to increase security in Windows 11 and Windows Server.<\/p>\n<p>NTLM is a series of security protocols that were introduced in the 1990s, but since Kerberos became the default protocol in Windows 2000, its use has declined with each passing year.<\/p>\n<p>Still, many legacy enterprise systems still support or use NTLM, making them vulnerability to <a href=\"https:\/\/www.csoonline.com\/article\/571263\/ntlm-relay-attacks-explained-and-why-petitpotam-is-the-most-dangerous.html\">NTLM relay attacks<\/a>, for example. And while Microsoft administrators have been <a href=\"https:\/\/www.csoonline.com\/article\/570755\/how-to-prepare-for-the-demise-of-windows-nt-lan-manager.html\">preparing for the demise of NTLM for years<\/a>, many still struggle to <a href=\"https:\/\/www.csoonline.com\/article\/2097636\/ridding-your-network-of-ntlm.html\">rid their networks of the protocol<\/a>.<\/p>\n<p>In recent years, hackers have exploited NTLM flaws to gain full access to networks, so the disadvantages of supporting it outweigh the advantages. Microsoft now considers NTLM deprecated.<\/p>\n<p>A timetable for the deactivation can be found on\u00a0<a href=\"https:\/\/techcommunity.microsoft.com\/blog\/windows-itpro-blog\/advancing-windows-security-disabling-ntlm-by-default\/4489526\">the Windows IT Pro Blog<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Microsoft has announced that the phase-out of NT LAN Manager (NTLM) is now transitioning to disabling the protocol by default, in an effort to increase security in Windows 11 and Windows Server. NTLM is a series of security protocols that were introduced in the 1990s, but since Kerberos became the default protocol in Windows 2000, [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":6806,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-6805","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-education"],"_links":{"self":[{"href":"https:\/\/cybersecurityinfocus.com\/index.php?rest_route=\/wp\/v2\/posts\/6805"}],"collection":[{"href":"https:\/\/cybersecurityinfocus.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cybersecurityinfocus.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/cybersecurityinfocus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6805"}],"version-history":[{"count":0,"href":"https:\/\/cybersecurityinfocus.com\/index.php?rest_route=\/wp\/v2\/posts\/6805\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cybersecurityinfocus.com\/index.php?rest_route=\/wp\/v2\/media\/6806"}],"wp:attachment":[{"href":"https:\/\/cybersecurityinfocus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cybersecurityinfocus.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cybersecurityinfocus.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}