Windows NT LAN Manager (NTLM)
Definition - What does Windows NT LAN Manager (NTLM) mean?
Windows NT LAN Manager (NTLM) is a security protocol suite for Microsoft Windows NT 4.0. NTLM replaced Windows LAN Manager (LANMAN). NTLM is used for down-level client and server compatibility up to Windows 2000.
NTLM was replaced by Microsoft Kerberos.
Techopedia explains Windows NT LAN Manager (NTLM)
- Negotiation: Advertises capabilities
- Challenge: Establishes identity
- Authentication: Authenticates the client or server
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