08 SECURITY Like it or not, your PC is at risk the moment you turn it on. Even if you don't connect to the Internet, there are dangers; some- one walking by could log on and read your files while you're gone, for example. Worse yet, if you have a laptop, it may be stolen, or you may lose it, and your personal data could end up in someone else's hands. Then, of course, there are the myriad dangers you face when going onto the Internet, where crackers try to take control of your PC and turn it into a spam-spewing zombie. This chapter includes hacks to protect you against all that and more. You'll be able to hack the Windows firewall for greater protection, use Vista's BitLocker even if you don't seem to have the right hardware, find out how to protect files and folders with encryption, and much more. You'll even