TechRepublic - IT Security: How antivirus software works: Is it worth it?

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I frequently get asked whether antivirus programs are worth it. My typical response has been yes. Recently, I started wondering why?

January 19th, 2010
By Michael Kassner

We are told, in order to survive on the Internet, our computers need protection afforded by antivirus applications. If that’s true:
* Why do computers still get infected?
* Would it be a lot worse if we didn’t use antivirus programs?

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