UEFI & Secure Boot
UEFI & Secure Boot
Articles on UEFI firmware, Secure Boot cryptographic key lifecycle, bootkit mitigation, and firmware update mechanisms for Windows and Linux.
uefi secure boot3 weeks ago5 min
Shim: The Tiny Bootloader That Saved Linux Inside Microsoft's Secure Boot
The shim bootloader was invented as a cryptographic bridge to extend UEFI Secure Boot to Linux devices and utility software — solving the problem of unsigned kernels in a signed-boot world.
uefi secure bootJun 29, 20264 min
Your PC’s Boot Chain Is About to Go Dark — Here’s How to Fix It
The cryptographic keys protecting your Windows and Linux PC from firmware-level malware expire June 24, 2026. If you don’t act, your machine will still boot—but it’ll be wide open to attacks that survive OS reinstalls.