Over at the How-To Geek, Jason Faulkner wrote up a nice piece on using TrueCrypt, one of my all-time favorite multi-platform security tools:
Just about any self respecting geek always has a flash drive handy. Whether it is on your key ring on in your purse, having the ability to access certain files and utilities anywhere can really come in handy at times. However, if you were to lose or have this flash drive stolen, depending on what is stored on the drive, you could be setting yourself up for a completely preventable disaster.
With the help of TrueCrypt, you can easily protect the data stored your flash drive so that if it is lost or stolen, nobody will be able to get to your sensitive files.
Read the whole article here.