There have been some reports about UEFI-based malware, which can hook into the O...

photon-torpedo on March 21, 2017 | parent | context | favorite | on: Most Electronics Being Banned on Certain US-Bound ...

There have been some reports about UEFI-based malware, which can hook into the OS boot process. I guess this could also work even if the disk is encrypted. First Google hit for "UEFI malware":

http://www.pcworld.com/article/2948092/security/hacking-team...