Best Network Security Practices to Restrict NTLM Authentication in 2025

How to Restrict NTLM Authentication in 2025 for Secure Network Access

Understanding NTLM Authentication and Its Security Risks Overview of NTLM Authentication (NTLMv1 and NTLMv2) NT LAN Manager – NTLM is a challenge-response authentication protocol for use in the windows environment. It was mainly created for networks not using Active Directory (AD) or Kerberos authentication. The following are the two versions of Restrict NTLM Authentication: NTLMv1: … Read more