Over the past few years, the UEFI threat landscape, particularly that of UEFI bootkits, has evolved significantly. It all started with the first UEFI bootkit proof of concept (PoC) described by Andrea Allievi in 2012, which served as a demonstration of deploying bootkits on modern UEFI-based Windows systems, and was followed with many other PoCs (EfiGuard, Boot Backdoor, UEFI-bootkit). It took several years until the first two real UEFI bootkits were discovered in the wild (ESPecter, 2021 ESET; ...