Truecrypt

It’s all too easy to lose or forget a USB drive – and with it all that data that might be private, commercial, sensitive or embarrassing. Truecrypt is a free, open-source tool that’s (quite) easy to use and robust. A sensible way to protect and secure partitions on hard discs or, even more usefully, USB memory sticks. Windows only I think, unfortunately… Find it here: Truecrypt