The images are known as shims, which were invented to extend Secure Boot to Linux devices and utility software. Using a ...
Gadget Review on MSN
Microsoft's Secure Boot has been broken for most of its existence
Secure Boot has been bypassed for years via unrevoked Microsoft-signed shims dating to 2013. Patch Tuesday June 2026 fixes it ...
Secure Boot Certificate update is failing on some Windows 11 computers and users see a message. This post explains why and ...
Certain older devices that cannot receive updates via their OEM may not be able to install the latest Secure Boot certificate ...
Microsoft and OEMs fixed key Secure Boot certificate issues for IT admins at a live office hours event, covering BIOS updates ...
ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI ...
Old UEFI shim bootloaders could be abused to bypass Secure Boot on any UEFI-based machine, regardless of the operating system ...
Roughly nine percent of tested firmware images use non-production cryptographic keys that are publicly known or leaked in data breaches, leaving many Secure Boot devices vulnerable to UEFI bootkit ...
A couple of months ago, we reported on the PKfail vulnerability in Secure Boot — a security issue that stems from hardware manufacturers shipping devices with known compromised software. After digging ...
The clock is ticking for Windows and Linux users to update cryptographic keys that protect their systems against firmware-based UEFI infections, a pernicious form of malware that loads before ...
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