Historically, Windows NT supports two variants of challenge/response authentication for network logons: LAN Manager (LM) challenge/response Windows NT challenge/response (also known as NTLM version 1 ...

An ancient network authentication protocol has received its first death notice. The protocol, which has roots going back to the first local area network days of the 1980s, is called Microsoft NTLM, ...

Two security vulnerabilities in Microsoft's NTLM authentication protocol allow attackers to bypass the MIC (Message Integrity Code) protection and downgrade NTLM security features leading to full ...

Microsoft warns of credential-stealing NTLM relay attacks against Windows domain controllers Your email has been sent Microsoft is sounding an alert about a threat against Windows domain controllers ...

Two critical vulnerabilities in Microsoft's NTLM authentication protocol consisting of three logical flaws make it possible for attackers to run remote code and authenticate on machines running any ...

A vulnerability allowing attackers to leak NTLM authentication hashes with minimal user interaction has been actively exploited just days after Microsoft released a patch. The flaw, tracked as ...

I am trying to set up a SQUID proxy to restrict websites using NTLM auth, so my domain users don't have to type in a password. I've been looking around for some decent documentation on this subject, ...

A vulnerability in Microsoft's NTLM authentication is being abused in the wild. By sending manipulated files in emails, malicious actors redirect NTLM hashes, which they can then use to access ...

The path to eradicating this ancient protocol and security sinkhole won’t be easy, but the time has come for its complete eradication. Microsoft has hinted at a possible end to NTLM a few times, but ...

I have a software vendor installing an application on a server in my domain and they're requesting that NTLM authentication be disabled on the server. I'm still trying to get a clear explanation of ...