Free Firewall Software

Gibson's Research Corporation - Test your Firewall's effectiveness at Gibson's Research Corporation (GRC) web site and download & run the Leak Test software.

Zone Alarm - Best firewall for preventing spyware from stealing your personal information.

finjan.com - Test your security against malicious code at Finjan Software's web site. Many of you will be dismayed to find that your supposedly secure system is vulnerable.

HackFix.org - Info on hacking. What if you think you've been hacked? Call your computer guru to help, or check out the information.

Bugnosis - This small freeware program will replace every occurrence of a web bug with a graphic of a bug - which makes them totally obvious.

Ad Blocking - Banner ads are everywhere, and they take up valuable bandwidth. In addition, they are ugly and distracting. Here's how to remove them.