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NTLM

Concept

NT LAN Manager (NTLM) is a suite of Microsoft security protocols for authentication in Windows networks, still required by some legacy applications and supported by Microsoft Entra Domain Services.

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Title graphic: NTLM (Concept)
TypeConcept
Wikipediaen.wikipedia.org/wiki/NTLM

Episodes about NTLM

How Ransomware Moves Through Active Directory

2025-12-21 · Video on YouTube

Security drift in Active Directory and Azure AD isn’t a single bug — it’s the slow, invisible decay of identity, permissions, and governance posture that happens when environments aren’t routinely managed and remediated. Over time, this drift increases risk…

Articles about NTLM (6)

Glossary

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Sources

Maintained by Mirko Peters (Microsoft MVP) · Last updated: