Mac OS X users should be on the lookout for a virus called Leap. Leap (OS X/Leap, also known as CME-4 ) is not a major threat and is probably getting more media attention than it deserves, but the virus does serve to remind us that not every computer virus is confined to the Windows operating system. That said, Leap does not affect Linux or Unix, although Mac OS X is based, in part, upon Unix. Leap uses the Spotlight search within OS X and looks for the opportunity to spread whenever the iChat app is opened. Fortunately, Leap does not damage system files.
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