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Trojan Horse Attacks Mac OS X

Thanks to Apple Computer's rising star in the world of digital music, Mac OS X has become a target for malware authors.

A Trojan horse, called MP3Concept or MP3Virus.gen, has been discovered that masquerades as an MP3 file. It hides in ID tags of the file and becomes activated when unwary users click on it, expecting to play a digital song.

"This is the first native Mac OS virus we've found," said Brian Davis, U.S. sales manager for Intego, a Mac security and privacy firm that discovered the Trojan.