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Embedi: Bypassing Intel Boot Guard

In recent years, there is an increasing attention to the UEFI BIOS security. As a result, there are more advanced technologies created to protect UEFI BIOS from illegal modifications. One of such technologies is Intel Boot Guard (BG) – a hardware-assisted BIOS integrity verification mechanism available since Haswell microarchitecture (2013). So-called «UEFI rootkits killer» this technology is designed to create a trusted boot chain (where a current boot component cryptographically measures/verifies the integrity of the next one) with Root-of-Trust locked into hardware.[…]

https://embedi.com/blog/bypassing-intel-boot-guard

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