Create a secure hard drive with these 5 steps.

We're going to show you how to create a secure hard drive for free, using an open source package called TrueCrypt.

TrueCrypt uses various types of encryption, including AES encryption, which is used by the US government. During set up you can choose how many levels of encryption you want. So for example, you can encrypt a hard drive using just a password, or you can specify multi-factor authentication.

Once set up all your files will be secured in the event that your laptop is lost or stolen.

We've run through the tutorial using Windows, but the software is also available on Mac OS X and Linux platforms.