NTLM
N/A
NTLM
NTLM · N/A · NTLM · en-tee-el-em · NT LAN Manager · NTLMv2 · Cybersecurity · windows · auth · legacyCybersecurityNT LAN Manager NTLMv2/en-tee-el-em/
Also known as: NT LAN Manager, NTLMv2
Last updated August 9, 2026
Definition
NTLM is an older Windows authentication protocol still found in legacy scenarios — weaker than Kerberos and a common attack surface.
Real-World Example
Disabling NTLM where possible in favor of Kerberos reduces pass-the-hash opportunities.
References
Related terms
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