A virus is a malicious computer program that can duplicate itself and spread to other computers.

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Why there is a constant voice notification on my Mac?

Every minute there is a woman's voice saying 'helo' (it doesn't sound like 'hello'…) coming from my MacBook (OS X 10.10). It is freaking me out. I tried closing all my Apps and rebooting my Mac, but ...
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How do I tell if the Flash Player Installer is a virus?

There's been a couple of trojans recently that imitate the Adobe Flash Player installer one of which is called OSX/flashback.A. (More info here) I've been wary of updating Adobe Flash Player due to ...
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Is antivirus software a necessity with the “rise” of MacDefender and others?

I have heard broadly about the so-called "rise" of the Mac viruses. Apparently, there is a "whole new deluge" of Mac viruses. So far, I have gotten nothing that I can see. But I'm beginning to wonder ...