Have you ever stopped to consider what might happen if your PC or notebook was stolen? Even on password-protected computers, the data is still vulnerable to the determined hacker ­ , and this might include online banking details and other sensitive information. Thankfully, protecting your data using encryption is straightforward.

With a free program called Compusec, which can securely scramble the contents of an entire computer, all your most personal information can be safely hidden. Do be aware, though, that encrypting a hard disk drive can result in data loss, so read carefully, take all recommended precautions and remember that this guide is for experienced users only.

How to protect your data from thieves