Security News > 2025 > January > Researchers Find Exploit Allowing NTLMv1 Despite Active Directory Restrictions

Cybersecurity researchers have found that the Microsoft Active Directory Group Policy that's designed to disable NT LAN Manager (NTLM) v1 can be trivially bypassed by a misconfiguration. "A simple misconfiguration in on-premise applications can override the Group Policy, effectively negating the Group Policy designed to stop NTLMv1 authentications," Silverfort researcher Dor Segal said in a

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https://thehackernews.com/2025/01/researchers-find-exploit-allowing.html