Should Mac Users run Antivirus Software?

From TidBITS

When people find out I'm a security expert, I can almost guarantee the ensuing conversation will evolve in one of three ways. If they are technologically illiterate, I'll have to explain I don't know anything about trading securities and can't help them with any hot tips. If they use Windows, I'll tell them to back up their data and reformat the system. But if they use Macs, the discussion usually becomes a little more complicated.

There is a misperception among much of the security community that Mac users don't care about security. Since joining TidBITS I've learned that Mac users are just as concerned about their security as their Windows brethren, but they aren't really sure what they need to know. Even the most naive Windows user understands that their system is under a constant barrage of attacks, but the Mac user rarely encounters much beyond the occasional pop-under browser ad and, of course, their fair share of spam.

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