System administrators, run the May 12 patch immediately if you haven't already.

The large May patch package had fixed the vulnerability in Windows Netlogon, now attackers are exploiting it. Admins should ...

Windows Server 2016 might be long in the tooth but that isn't about to stop Microsoft breaking stuff. The May 12 security ...

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

Hackers are exploiting a critical-severity Windows Netlogon vulnerability (CVE-2026-41089) for remote code execution.

The Centre for Cybersecurity Belgium (CCB), the country's national authority for cybersecurity, warned on Friday that threat actors are now exploiting a recently patched critical Windows Netlogon ...

Microsoft has confirmed that April 2026’s Windows Server security update KB5082063 is causing some enterprise domain controllers in Privileged Access Management setups to enter continuous reboot loops ...

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

Microsoft has warned users of the Windows Server 2019 operating system that the most recent Patch Tuesday security update may fail, exposing them to the vulnerabilities it was meant to mitigate. An ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. When you see any headline alerting you to a security ...

It’s time to stop relying on the insecure authentication protocol built into Windows. Microsoft is making it easier to switch to secure modern options. NTLM is a simple and straightforward ...

The web-based UI for managing all aspects of Windows Server, Windows Server Admin Center (WAC) sure has grown up a lot in the last seven years. If you're new to the concept, you can run WAC on a ...