Microsoft is reminding users that the Secure Boot ecosystem will soon require a mandatory check-up. The Redmond-backed security protocol, part of the UEFI specification and primarily ...

Secure Boot has relied on the same security certificates to verify bootloaders since 2011, during the development cycle for Windows 8. But those original certificates are set to expire in June and ...

Microsoft will roll out new Secure Boot certificates for Windows users starting June, as the old certificates will expire.

Ensure your PC boots safely before Secure Boot changes.

Refreshing new certificates represents one of the largest coordinated security maintenance efforts across the Windows ecosystem,' Microsoft explains.

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

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

Microsoft has begun rolling out updated Secure Boot certificates through monthly Windows updates to replace the original 2011 certificates that will expire in late June 2026.

Secure Boot operates before Windows loads, blocking untrusted code from executing during startup. The trust mechanism relies on certificates stored in device firmware; Microsoft s ...