{"id":230377,"date":"2026-02-03T01:30:06","date_gmt":"2026-02-03T07:30:06","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/02\/microsoft-to-disable-ntlm-by-default-in-future-windows-releases"},"modified":"2026-02-03T01:30:06","modified_gmt":"2026-02-03T07:30:06","slug":"microsoft-to-disable-ntlm-by-default-in-future-windows-releases","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/02\/microsoft-to-disable-ntlm-by-default-in-future-windows-releases","title":{"rendered":"Microsoft to disable NTLM by default in future Windows releases"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/microsoft-to-disable-ntlm-by-default-in-future-windows-releases.jpg\"><\/a><\/p>\n<p>Microsoft announced that it will disable the 30-year-old NTLM authentication protocol by default in upcoming Windows releases due to security vulnerabilities that expose organizations to cyberattacks.<\/p>\n<p>NTLM (short for New Technology LAN Manager) is a challenge-response authentication protocol introduced in 1993 with Windows NT 3.1 and is the successor to the LAN Manager (LM) protocol.<\/p>\n<p>Kerberos has <a href=\"https:\/\/answers.microsoft.com\/en-us\/msoffice\/forum\/all\/ntlm-vs-kerberos\/d8b139bf-6b5a-4a53-9a00-bb75d4e219eb\" target=\"_blank\" rel=\"nofollow noopener\">superseded NTLM<\/a> and is now the current default protocol for domain-connected devices running Windows 2000 or later. While it was the default protocol in older Windows versions, NTLM is still used today as a fallback authentication method when Kerberos is unavailable, even though it uses weak cryptography and is vulnerable to attacks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft announced that it will disable the 30-year-old NTLM authentication protocol by default in upcoming Windows releases due to security vulnerabilities that expose organizations to cyberattacks. NTLM (short for New Technology LAN Manager) is a challenge-response authentication protocol introduced in 1993 with Windows NT 3.1 and is the successor to the LAN Manager (LM) protocol. [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34,1625],"tags":[],"class_list":["post-230377","post","type-post","status-publish","format-standard","hentry","category-cybercrime-malcode","category-encryption"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/230377","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=230377"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/230377\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=230377"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=230377"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=230377"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}