A computer worm is a type of malware that, once it infects a machine, can automatically copy and extend itself to connected devices.

The ready availability of virus-generating tool kits will continue to make it relatively easy for even amateur crackers to write worms such as the recent Anna Kournikova virus, analysts and users ...

The word 'virus' gets tossed around a lot. Here's what actually counts, what to watch for, and how to stay two clicks ahead ...