For legitimate owners—system administrators trying to recover a bricked board, forensic analysts, or hardware hackers—this "guard" acts as an obstacle. You cannot simply run a sysfs dump command on Linux or a WinFlash tool to pull the full binary. You get zeros or corrupted data where the guard is active.
: Often used after extraction to analyze the internal UEFI volumes and modules. ami bios guard extractor
The AMI BIOS Guard Extractor may be available from various online sources, including: ami bios guard extractor