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

Lenovo has fixed two high-severity vulnerabilities impacting various ThinkBook, IdeaPad, and Yoga laptop models that could allow an attacker to deactivate UEFI Secure Boot. UEFI Secure Boot is a ...

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 ...

Some signed third-party bootloaders for the Unified Extensible Firmware Interface (UEFI) could allow attackers to execute unauthorized code in an early stage of the boot process, before the operating ...

Your system will still work without the security feature, but what are the risks if you disable it?

Microsoft has issued a warning about a Secure Boot DBX update failing to install on all supported client and server Windows versions. According to the documentation, a BIOS update might be necessary.

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 ...

A Unified Extensible Firmware Interface (UEFI) bootkit called BlackLotus is found to be capable of bypassing an essential platform security feature, UEFI Secure Boot, according to researchers from ...

Ubuntu is thwarting Microsoft’s efforts to keep PCs safe. Modern Windows PCs are required to ship with Secure Boot enabled, a safety measure that limits access to ...