Sensitive data on Hard drive when repairing by Apple?

[pjny]

Hi, What do you do when you send in your laptop for repairs to Apple? I might have to have my logic board replaced. Should I wipe the drive and reinstall Lion when I drop it off? Can I drop it off with wiped drive? What app do you use to wipe the drive(like DBAN)? Thanks.

 

[miles01110]

Encrypt the drive.