This repository provides comprehensive guidance for addressing hardware and firmware security vulnerabilities through multiple remediation approaches. The resource covers various mitigation strategies including firmware patches, software patches, and configuration changes to address security weaknesses at the hardware level. The guidance includes detailed information about publicized side-channel attacks such as Spectre and Meltdown, providing context and remediation approaches for these processor vulnerabilities. It addresses firmware and microcode vulnerabilities including LoJax and Ryzenfall, offering specific guidance for these types of low-level security threats. The repository provides recommendations for UEFI hardening to secure the boot process and system initialization phases. It includes hardware upgrade recommendations when software-based mitigations are insufficient or unavailable. The resource serves as a reference for security professionals dealing with hardware-level security concerns and firmware-based attack vectors.