In 2023, malware tracked as BlackLotus became the first publicly documented in-the-wild UEFI bootkit capable of bypassing ...

Following my recent posts concerning my experiences with Unified Extensible Firmware Interface (UEFI) and secure booting, here’s a Q&A with Mark Doran, the UEFI forum president. In general I agree ...

ESET researchers discovered 11 old, Microsoft-signed, UEFI applications that allow bypassing UEFI Secure Boot on the majority of UEFI-based systems. An attacker exploiting one of these vulnerable ...

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 ...

My recent series of posts concerning UEFI and Secure Boot technology has drawn several comments and questions about the possibility of installing only Linux on such a system. I have just had to ...

CVE-2026-97631 targets EDK II's PXE driver, letting attackers execute code before Secure Boot loads. Patch status varies by ...

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 ...

You turn on your laptop. Or at least, you try. The screen stays black, with just nine words displayed in white: Invalid ...

One of the first initiatives for secure booting has been the Unified Extensible Firmware Interface (UEFI) Initiative. UEFI is a superior replacement of the Basic Input Output System (BIOS) and a ...

Hardware-based secure boot mechanisms are clearly useful for some users. By determining that firmware, bootloaders, and operating systems are not compromised, these mechanisms can protect systems ...