An icon in the shape of a lightning bolt. Impact Link A computer worm is a form of malware that, once it has infected a computer, continues to replicate itself on the infected computer as well as ...

Computer security technologists are racing to find ways to block ever-more complex computer worms and viruses that burrow into computers -- usually via e-mail -- and wreak havoc on network systems.

Alex Chadwick talks with Ira Flatow, host of NPR's Talk of the Nation Science Friday, about a malicious worm attacking computers across the nation, forcing whole networks to reboot themselves over and ...