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 ...

SAN FRANCISCO A computer worm unleashed over the weekend infected more computers on Tuesday that run Microsoft operating systems, with Windows 2000 users most seriously affected. The Zotob worm and ...