NTLM relies on a three-way handshake between the client and server to authenticate a user," CrowdStrike notes. □ “The main difference between NTLM and Kerberos is in how the two protocols manage authentication. □ It has since been supplanted by another authentication protocol called Kerberos since the release of Windows 2000, although NTLM continues to be used as a fallback mechanism. It is a single sign-on (SSO) tool that relies on a challenge-response protocol that proves to a server or domain controller that a user knows the password associated with an account. □ First introduced in the 1990s, NTLM is a suite of security protocols intended to provide authentication, integrity, and confidentiality to users. The second feature, a local Key Distribution Center (KDC) for Kerberos, extends Kerberos support to local accounts. □ IAKerb enables clients to authenticate with Kerberos across a diverse range of network topologies. "New features for Windows 11 include Initial and Pass Through Authentication Using Kerberos (IAKerb) and a local Key Distribution Center (KDC) for Kerberos." □ "The focus is on strengthening the Kerberos authentication protocol, which has been the default since 2000, and reducing reliance on NT LAN Manager (NTLM)," the tech giant said. □ Big news! Microsoft plans to phase out the '90s NT LAN Manager (NTLM) in favor of a stronger focus on Kerberos for authentication in Windows 11.
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