By hook or by crook

If a hacker is desperate enough, he/she will find a way to defeat whatever security you have in place. Watch this amazing demonstration of someone who figured out a way to remove a laptop lock. It doesn't involve a hammer or torch btw ;p
The number one rule in security: Security-in-depth. Yes... there is always a way to break or bypass a security mechanism so you need as many layers as possible to make it extremely difficult for them.