Originally posted here by Tiger Shark
Treanglin:

With physical access to the computer there is _no_ way to block the attacker. Everything you want to try to stop them is easily circumvented.... Remember, all he has to do is remove the HD, place it in a different system and boot to his own OS. Your HD is now his to do with what he wishes and his wishes probably don't equal your dreams.....
What if your drive is encrypted? Check out loop-AES or some other data protection encryption. There are ways to ensure that even if your drive is stolen and hooked up to another machine, that the data is protected.

There's ways of stopping people with physical access. This place is very narrow minded.