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

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

Make sure you've updated before the deadline.

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

Microsoft had, for some odd reason, decided to delete a key piece of information about a crucial Windows 11/10 update that you must install.

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

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.

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

Among the requirements for installing Windows 11 are two security features: Trusted Platform Module (TPM) version 2.0 and Secure Boot. As we’ve documented before ...

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

This article describes how to enable Secure Boot to install Windows 11. How Do I Enable Secure Boot? The easiest way to enable Secure Boot is to do so through UEFI. It's typically listed as one of the ...