Do I need an anti virus program?

I have a Macbook Air 13 ". I do not currently have an anti virus program and I was wondering if there is a program that apple sells or would recommend to use on Mac? I heard that anti virus programs are not required on macs, but I'm looking for clarification on this. What protection is my mac has if I have not an anti-virus protection program-specific?

Thank you.

1. it is not.

2 built-in defenses in Mac OS X. unless you need to defend against malicious Windows software, you don't need additional software.

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Tags: Mac OS & System Software

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