Viruses are tricky. They exploit your computer's every possible vulnerability; and if there are none, they'll wait until you make a mistake -- by opening an attachment you're not supposed to or clicking on a malicious link -- then they leap at the chance to harm your PC, or worse, infect others.

Ignore the fact that this infograph was created by the team at Norton 360 Online. It's still very solid and useful advice that you should share with everyone you know.

And guess what? We were one of the quoted sources -- how cool is that?

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