Some Windows 11 Secure Boot certificate errors, including BitLocker recovery loops and stuck KEK updates, remain unresolved ...

If your PC shows a Secure Boot certificate error, you're not alone. Microsoft and HP are working on a fix, but there's no ...

The images are known as shims, which were invented to extend Secure Boot to Linux devices and utility software. Using a ...

Microsoft has confirmed that Secure Boot certificate updates are failing or being blocked on some Windows 11 PCs.

PCWorld explains Windows Secure Boot as a critical security feature that acts like a checkpoint, verifying software before Windows loads to prevent bootkit malware infections. The 2011 Secure Boot ...

ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI ...

Microsoft just pushed the Secure Boot 2023 certificate update to all eligible Windows 11 and Windows 10 computers, just in time given that old certificates were due to expire today. It’s a good thing, ...

ESET found 11 Microsoft-signed UEFI shims, some over a decade old, that let attackers bypass Secure Boot without a single new ...

As it turns out, the batch of expiring Secure Boot certificates isn't the only Secure Boot-related concern that Microsoft and the public need to worry about this year. ESET Researchers have uncovered ...

Old UEFI shim bootloaders could be abused to bypass Secure Boot on any UEFI-based machine, regardless of the operating system ...

A crucial Windows security certificate just expired - how to check your PC ...

A certain deadline related to the Windows Secure Boot feature is approaching in mid-2026, and it may affect you. Before Windows loads, Secure Boot verifies the system's startup process. But to do this ...