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#Credential Guard

2 stories taggedCredential Guard.

Illustration: a darkened corporate office at night
Identity & Access

Windows 11 domain logins broke this week. Here is what actually happened.

A September 2026 security update quietly started enforcing an identity-protection feature. On the wrong kind of network, it locks staff out.

4 min read
A frustrated office worker at a desktop computer facing a Windows login error screen with 'Access Denied' message, with network cables and IT infrastructure vis
Identity & Access

A Windows 11 update is locking staff out of their own work computers

Microsoft's September patch, KB5124008, is breaking the trust link between Windows 11 machines and company networks, leaving valid passwords rejected at the login screen.

4 min read
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