bbjansen,
I have explained in other threads that while MtGox has been breached, it wasn't due to lack of security on their site but from an auditor's infected machine.
Honestly, since now MtGox has been breached, they'd tighten their security even more and that's an extra reason for me to trust them & stick with them.
Still a fail on their part. They should be much more secure and use a safe machine that should only be used for auditing and not for playing video games, watching porn, downloading files and other daily shit.