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.

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

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 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 is preparing to roll out new Secure Boot certificates via Windows Update to keep old PCs protected from boot‑level ...

I always get a bit jittery whenever I hear of a new vulnerability that can enable a bypass of the Windows Secure Boot protections. I don’t really need to explain why, do I? Suffice to say, Secure Boot ...

Secure Boot is a feature of your PC's UEFI that only allows approved operating systems to boot up. It's a security tool that prevents malware from taking over your PC at boot time. While it's not ...

After disabling Secure Boot and installing other software and hardware, it may be difficult to re-activate Secure Boot without restoring your PC to the factory state. Also, be careful when changing ...

If your Windows computer does not boot normally but instead displays a red warning box saying Secure Boot Violation, Invalid signature detected, Check Secure Boot ...

Secure Boot is one of the key Windows 11 hardware requirements, and its certificates will soon expire. Here is why it is important and what you need to know. About three months ago, Microsoft ...