If you’re like most people you probably don’t think much about the security of your laptop. Sure, maybe you’ve got a Kensington lock. Maybe you’ve got virus protection and a spyware scanner. Maybe you’ve put a password on your screensaver and logout when you’re not at your desk.

But the data sitting on your hard drive — even when the power is off — is valuable.

Bruce Schneier has an article about using a two-tier PGP encryption system on Wired. He also suggests limiting the amount of data you store on your computer, in case someone walks off with it when you’re logged in.

Read it and use it.