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

Internet experts call it ransomware, a very particular type of virus that infects computers and restricts users’ access to their files or threatens the permanent destruction of their information ...

What computer user hasn't trembled when reading an e-mail warning of a virus making the rounds? "There is a computer virus that is being sent across the Internet," a typical message will begin. "If ...