I have been struggling for quite some time now to set up multi-boot support on a new HP Pavilion dm1-4310ez sub-notebook that came preloaded with Windows 8, UEFI, and gpt disk partitioning. During ...

UEFI (Unified Extensible Firmware Interface) is the open, multi-vendor replacement for the aging BIOS standard, which first appeared in IBM computers in 1976. The UEFI standard is extensive, covering ...

The number of UEFI vulnerabilities discovered in recent years and the failures in patching them or revoking vulnerable binaries within a reasonable time window hasn’t gone unnoticed by threat actors.

Let's start by clearly stating what this post is, and what it isn't. It is a description of how I set up multi-boot for Linux systems, sometimes including Windows, using the GRUB bootloader. It is not ...

The developers of the BlackLotus UEFI bootkit have improved the malware with Secure Boot bypass capabilities that allow it to infect even fully patched Windows 11 systems. BlackLotus is the first ...

When a VirtualBox virtual machine boots directly into the UEFI Interactive Shell, it’s typically because the EFI firmware cannot automatically find a bootable operating system loader. This could be ...

I've got my Ubuntu system at home set up using UEFI boot, mirrored root/home using btrfs, and mirrored swap using LVM, but making sure that /boot/efi is mirrored across both drives and usable in the ...

A recently discovered ransomware strain called HybridPetya can bypass the UEFI Secure Boot feature to install a malicious application on the EFI System Partition. HybridPetya appears inspired by the ...

This is not strictly a server-specific topic but this is something that probably becomes more of a problem with server and automated provisioning environments. Though in my case it's my home lab. Most ...

If you recently moved from BIOS to UEFI and you cannot boot your computer since then, here is how you can repair the EFI bootloader in Windows 11/10. It is pretty easy to repair the EFI bootloader ...