Worms & viruses

Computer bugs are no mere prank. A disruption of global communications networks by today's sophisticated worms and viruses is costing companies billions and can do lasting damage to the world's economic health. This NewsHour program begins by defining these binary invaders and then examines the escalating security challenges of keeping networks free of infection. Members of the Computer Emergency Response Team at Carnegie Mellon University and other white hats discuss proactive ways to detect and then block electronic intruders through single-user protocols and enterprise-wide defenses.