Microsoft’s CA-2023 Secure Boot update broke PCs. Learn why UEFI firmware failed, how vendors reacted, and how to fix your boot issues.

Why it matters: Microsoft has issued guidance for fixing a serious Secure Boot vulnerability that affects all Windows systems and is actively being exploited in the wild. Normally, this kind of issue ...

Earlier this week, Microsoft released a patch to fix a Secure Boot bypass bug used by the BlackLotus bootkit we reported on in March. The original vulnerability, CVE-2022-21894, was patched in January ...

More like insecure boot!

A new status indicator in the Windows Security app will let users know whether their Windows 10 or 11 installation has been ...

Event ID 1798 occurs when an attempt is made to add the Microsoft Windows Production PCA 2011 certificate; this is an old and less secure certificate compared to UEFI CA 2023. In this post, we will ...

It sounds to me like claiming that all old Windows versions will be unbootable is an overstatement. Rather, it's most likely the case that you won't be able to boot old media when Secure Boot is ...

It took longer than anyone expected but the Linux Foundation fix for Windows 8 PC's UEFI (Unified Extensible Firmware Interface) Secure Boot lockout of other operating systems has finally arrived. To ...

When launching Battlefield 6, some players may encounter error messages related to Secure Boot. This issue can be frustrating. It usually occurs because BIOS or UEFI ...