Event details

NTLM (New Technology LAN Manager) in Windows 11 is being phased out in favor of more secure protocols like Kerberos. Learn the history of NTLM and the associated security risks. Explore how auditing ...
Heather_Poulsen
Updated Feb 26, 2026
Technical Takeoff
Henk_-_Simac_IT_NL's avatar
Henk_-_Simac_IT_NL
Copper Contributor
Feb 16, 2026

Hi, we have seen recommendations about eliminating NTLM in hardening NTLM, but having issues with Defender for Endpoint were it's not checking the correct keys to remediate this issue. Is this issue known within the Defender experts?

  • Heather_Poulsen's avatar
    Heather_Poulsen
    Icon for Community Manager rankCommunity Manager
    Mar 02, 2026

    Henk_-_Simac_IT_NL​ - (From Steve_Syfuhs​) We're not aware of whether the Defender folks are aware of this, but we'll reach out to them to confirm and get a fix if necessary.