How to encrypt your external usb?Posted: January 23, 2015
Encryption is very important so that even you lose your usb your data will not be taken away by others unless they crack your encryption (which one case is your have a weak password).
To encrypt your usb, there is a free open-source tool. You can encrypt your usb and then use the software to decrypt it before using it.
If you are using window 7 ultimate, you can use the BitLocker provided by window.