Do you worry that if your PC is stolen someone can steal all of your data? Then you should encrypt your hard drive. In this screencast, we look at how Windows 7 has beefed up BitLocker, its built-in encryption program.
http://itexpertvoice.com/home/i-know-i-can-find-it-in-here-somewhere-using-windows-7-bitlocker/
BitLocker in Windows 7 is good. I use it in my small business. But if you’re thinking about rolling it out in the enterprise, there are some things you need to know that I outline here: http://www.principlelogic.com/bitlocker.html