NTLM in one diagram
March 2020
Windows Challenge/Response (NTLM) is the authentication protocol used on networks that include systems running the Windows operating system and on stand-alone systems.
~ MSDN Docs
![](/articles/ntlm-one-diagram/diagram1.png)
The end
Windows Challenge/Response (NTLM) is the authentication protocol used on networks that include systems running the Windows operating system and on stand-alone systems.
~ MSDN Docs