It works fine in test environment. But NTLMcompatibilitylevel=5 (NTLMv2 only) breaks way too many things to be useful in the Real World(tm). Exchange 2000 POP3/IMAP access breaks, PocketPC can't ...

Microsoft has officially deprecated NTLM authentication on Windows and Windows servers, stating that developers should transition to Kerberos or Negotiation authentication to prevent problems in the ...

I'm not well versed in Kerberos, about all I know is that it's used as the standard means of authentication in AD since at least 2003 (before that?) replacing NTLMv2.<BR><BR>What's the advantages of ...

A recently addressed security flaw in Microsoft Outlook has been identified as a significant threat, potentially allowing threat actors to exploit it to gain access to NT LAN Manager (NTLM) v2 hashed ...

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 has announced it is taking steps to eventually disable NTLM (NT LAN Manager) for authentication features in Windows 11 and add new features to Kerberos to take its place. The various ...

Find out how to lock down systems by disabling LM authentication. By Mike Mullins Requiring your users to use complex passwords and enforcing that policy is useless ...

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 ...