Microsoft is investigating a new known issue causing enterprise domain controllers to experience Kerberos sign-in failures and other authentication problems after installing cumulative updates ...

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 ...

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 ...