Good Gear Guide
In Pictures: 20 notorious worms, viruses and botne...
Written in 1982 "by a 15-year old as a way to booby trap his friends' Apple II computer systems without physical access to them, Elk Cloner spread via floppy disks," according to FortiGuard Labs's Lovet. "Infected machines displayed a harmless poem, dedicated to the virus' glory."
In Pictures: 20 notorious worms, viruses and botnets