NSA: Managing Secure Boot for Linux Against Bootchain Attacks

The NSA’s recent guidance on UEFI Secure Boot reflects a shift that’s been building for years. Attackers have moved earlier in the boot process, while most defenses stayed focused higher up the stack. You start to see the gap once you follow a few incidents end-to-end. By the time the operating system loads, control has already been lost. Secure Boot sits at the boundary between hardware trust and software execution, squarely in the firmware security layer, and it only works when it’s treated as a required control rather than an optional hardening step.LinuxSecurity – Security ArticlesRead More