If the device is lost or stolen during transport physically, all it takes is the attacker to gain control of the key, or find a weakness in that firmware or enc

If the device is lost or stolen during transport physically, all it takes is the attacker to gain control of the key, or find a weakness in that firmware or encryption method. While those are stupidly improbable, the reality is once you lose physical custody, the attacker has a lot more options.