Students at Sonoma State University learn how to create computer viruses, worms, and other malicious code in a controversial class taught by George Ledin, a professor of computer science. An article ...

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.

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, ...