Microsoft has recently begun replacing expiring Secure Boot certificates on eligible Windows 11 systems running 24H2 and 25H2 ...

Make sure you've updated before the deadline.

Microsoft is rolling out "Secure Boot Allowed Key Exchange Key (KEK) Update," which requires a system reboot to finish ...

Microsoft is taking its time with the boot certificate rollout, but you don't have to. Activate the latest UEFI CA 2023 right ...

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems ...

Microsoft confirms systems without updated Secure Boot certificates will boot normally but lose some security protections.

Updated firmware trust chains strengthen rootkit protection and zero-trust infrastructure security.

Microsoft's Secure Boot certificates expire in June and need to be replaced. Microsoft provides a guide for server admins.

The February Windows update preview is extensive. It includes new Secure Boot certificates and app and settings backups.

So... my Asus mobo (ROG Strix Z390-E Gaming) is from 2018, and while the code Andrew provided for PowerShell shows I'm OK for the new cert, I get "False" for Default ...

Facepalm: Microsoft and the PC industry developed the Secure Boot protocol to prevent modern UEFI-based computers from being hacked or compromised during the boot process. However, just a few years ...