Posts from this topic will be added to your daily email digest and your homepage feed. Security researchers have found flaws in the way laptop manufacturers are implementing fingerprint authentication ...

Microsoft has confirmed that Windows updates released since August 29, 2025, are breaking authentication on systems sharing Security Identifiers. Windows uses unique alphanumeric strings known as ...

A thorough understanding of Windows' authentication methods will enable you to troubleshoot problems and improve network security. Here's a look at what you need to know. If you’re having problems ...

Authentication issues in Windows Server after April updates Logon failures for WHfB and Device Public Key Authentication Workaround available, Microsoft working on permanent fix for impacted Windows ...

Microsoft says the April 2025 security updates are causing authentication issues on some Windows Server 2025 domain controllers. The list of impacted platforms includes Windows Server 2016, Windows ...

Attackers can steal user credentials by enabling credential caching in the Windows authentication protocol WDigest. Here's how to stop them. Once attackers get into a system, they often want to ...