Microsoft has confirmed a new known issue affecting Windows Server 2016 systems that causes domain controller lookups to fail ...

Microsoft confirmed a Windows Server 2016 issue that can break domain controller discovery after installing KB5087537.

A recent report from Microsoft reinforces warnings about the critical role Active Directory (AD) domain controllers play in large-scale ransomware attacks, aligning with U.S. government advisories on ...

A single flaw in the way Windows domain controllers verify network identities has given attackers a shortcut to total control ...

A recent report from Microsoft reinforces warns of the critical role Active Directory (AD) domain controllers play in large-scale ransomware attacks, aligning with U.S. government advisories on the ...

Microsoft’s May 2026 security update fixes what the Hong Kong Computer Emergency Response Team describes as 138 vulnerabilities across Microsoft products, but one flaw stands out: a critical bug in ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is no longer recommending the installation of May Patch Tuesday updates on Domain Controllers because of authentication issues.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has removed a Windows security flaw from its catalog of known exploited vulnerabilities due to Active Directory (AD) authentication ...