In theory, if your OS isn't evil or easily hacked, it should prevent a class of "evil maid attacks" from attackers who don't have the master key (while facilita

In theory, if your OS isn't evil or easily hacked, it should prevent a class of "evil maid attacks" from attackers who don't have the master key (while facilitating irreparable attacks from those who do). In practise, MS OSes are evil, easily hacked, and now everyone has the master key.