The number of threats to the safety of our PC and the privacy of data it contains is dangerously increasing day after day. Checking our hard disks for viruses, spyware, trojan horses and other malware must be a routinary task if we want to avoid nasty surprises.

Fortunately even in this case you can count on several good open source products that will help you protect your PC.

Browse the categories you find below and please help other users choose the right open source security application by rating your favorite software and leaving a comment.