Unified Extensible Firmware Interface (UEFI) is one of the most important pieces of software to boot an operating system on a computer. BIOS being an alternative to UEFI already is less preferred when ...

Refreshing new certificates represents one of the largest coordinated security maintenance efforts across the Windows ecosystem,' Microsoft explains.

To understand the transition from legacy BIOS to UEFI firmware, it’s best to begin with a review of a decades-old system—the 1983 IBM-compatible PC—and continue with a study of its successor ...

Just before we start, you should know that this post is not about switching firmware modes. If you are planning to move from legacy BIOS to UEFI, you will have to use MBR2GPT Tool. So if you are in a ...

Windows 11 is refreshing Secure Boot keys in 2026. Here's why TPM-WMI Event ID 1801 appears, and how to verify the new certificate.

One of those was UEFI Secure Boot, a mechanism for verifying PC bootloaders to ensure that unverified software can’t be loaded at startup. Secure Boot was enabled but technically optional for Windows ...

Your computer's basic input/output system (BIOS) is about to become history and be replaced by Unified Extensible Firmware Interface (UEFI) -- and that brings both advantages and problems. When you ...

Binarly, a security research company that deals with firmware threats, has disclosed in a recent blog post that the InsydeH2O "Hardware-2-Operating System" UEFI BIOS, a firmware used by several major ...

Researchers have discovered 23 "high-impact vulnerabilities" affecting any vendors that adopted Independent BIOS Developers (IBV) code into their Unified Extensible Firmware Interface (UEFI) firmware.