After 15 years, the original Secure Boot certificates that keep your PC secure during boot are expiring. Here's what you need to know.

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

Your PC's critical security certificates may be about to expire - how to check ...

Microsoft has announced it will deliver new Secure Boot certificates via Windows Update starting March 2026 before 2011 ...

Microsoft has started automatically replacing expiring Secure Boot certificates on eligible Windows 11 24H2 and 25H2 systems. Secure Boot is a security feature that blocks malicious software (like ...

Microsoft reminds everyone that the initial wave of Secure Boot certificates, dropped in 2011, are due to expire.

Secure Boot helps keep your computer safe by using trusted certificates in UEFI firmware. It checks bootloaders and prevents dangerous applications from running before Windows starts. Through Secure ...

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

Microsoft ended software support for Windows 10 in October 2025, bringing an end to the operating system launched in 2015.