Worse, Computrace ends up in the management engine firmware, which is more powerful and less auditable than the BIOS/UEFI (and works with powered off main CPU,

Worse, Computrace ends up in the management engine firmware, which is more powerful and less auditable than the BIOS/UEFI (and works with powered off main CPU, too). See https://events.ccc.de/congress/2013/wiki/Projects:MEre https://events.ccc.de/congress/2013/wiki/Projects:MEre