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

Event ID 1034: The cause of this informative event being logged is a confirmation that the Secure Boot DBX database has been updated successfully. Modifying or updating the untrusted Secure Boot ...

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 ...

The vulnerabilities were introduced when Lenovo inadvertently included an early development driver in the commercial versions of their software. Lenovo has released fixes for high-severity bios ...

Among the requirements for installing Windows 11 are two security features: Trusted Platform Module (TPM) version 2.0 and Secure Boot. As we’ve documented before ...

Researchers have unearthed two publicly available exploits that completely evade protections offered by Secure Boot, the industry-wide mechanism for ensuring devices load only secure operating system ...

The “BootHole” bug could allow cyberattackers to load malware, steal information and move laterally into corporate, OT, IoT and home networks. Billions of Windows and Linux devices are vulnerable to ...

Microsoft has started automatically replacing expiring Secure Boot certificates on eligible Windows 11 24H2 and 25H2 systems. Secure Boot is a security feature that blocks malicious software (like ...

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 ...

A newly discovered vulnerability in the GRUB2 bootloader, dubbed BootHole, may threaten Linux and Windows machines using Secure Boot. Attackers who exploit it could interfere with the boot process and ...