Microsoft says the new SecureBoot folder created by Windows 11 KB5089549 is expected and tied to Secure Boot certificate updates.

Microsoft warns Windows 11 PCs without the new Secure Boot certificates may lose future protections, boot security updates, ...

Microsoft used its AI-powered Security Copilot to discover 20 previously unknown vulnerabilities in the GRUB2, U-Boot, and Barebox open-source bootloaders. GRUB2 (GRand Unified Bootloader) is the ...

A vulnerability in trusted system recovery programs could allow privileged attackers to inject malware directly into the system startup process in Unified Extensible Firmware Interface (UEFI) devices.

Researchers have spotted what they believe is the first ever malware capable of infecting the boot process of Linux systems. "Bootkitty" is proof-of-concept code that students in Korea developed for a ...

Microsoft has released a PowerShell script to help Windows users and admins update bootable media so it utilizes the new "Windows UEFI CA 2023" certificate before the mitigations of the BlackLotus ...

All these fixes are explained in detail below. You need to boot into the Windows Recovery Environment to apply all these fixes. Therefore, before proceeding, let’s see how you can enter the Windows ...