Desktop Firewalls

There are many computer threats nowadays. And there always were. Here is a list of security products that are either free and good, providing tough protection when combined, or commercial but best-of-breed products.

Also note that there is no product that will protect you completely unless you, as a user, know what you are doing. In the same way, you do not need any of these products if you take care.

Desktop Firewall

Antivirus

There are on-demand scanners available online. Here are the links to some of them:

Kaspersky Free Virus Scan

Anti-Trojan

Anti-Spyware

Intrusion Detection (HIPS)