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 ...

Make sure you've updated before the deadline.

Windows 10 KB5078885 ESU out with Secure Boot 2023, replacing expiring Secure Boot certificates from 2011. But it's a staged roll out.

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that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts. As the clock ...

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.

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 ...

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 ...