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Free Software for Computer and Network Security
Tools and Utilities to Protect Your Computer and Your Wallet

From Tony Bradley, CISSP-ISSAP, for About.com

This list of free security software can help you protect your computer without breaking your bank. There are new viruses, worms, spyware, phishing attacks, Trojans, and other threats discovered every day. You need tools to help you monitor and protect your computer and your network without emptying your wallet. Check out the following tools to see what works for you:

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