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 ...

You called in sick yesterday because you thought you had the flu, but today you feel even worse. You have heavy bleeding and delirium because you’ve got one of the world’s most deadly viruses. What ...