On the Internet's 40th anniversary, Symantec lists the worst cyber threats. Sept. 3, 2009 — -- This fall marks the 40th birthday of the Internet, and to celebrate it, Symantec, the manufacturer ...

A computer virus is a type of malware that can replicate itself on your computer and spread to other devices. You might be infected with a virus if your computer suddenly starts running more slowly, ...

To a lot of people, a "virus" is often the first thing they think of when something goes wrong with their computer. The truth is, that these days a virus is almost never the culprit for your PC ...