The word 'virus' gets tossed around a lot. Here's what actually counts, what to watch for, and how to stay two clicks ahead A computer virus is a type of program that, much like a regular virus, ...

Although widespread virus outbreaks may be a thing of the past, the total amount of malicious software being written is on the rise, says McAfee Inc. On Tuesday, the security vendor added the ...

A computer virus in the DOS/Windows environment that takes advantage of the fact that .COM and .EXE are two valid executable extensions for program files, and .COM takes precedence. For example, if ...

A prank virus that does not cause damage. It does such things as randomly displaying a message on screen declaring "Peace on Earth" or causing the computer to make a clicking sound every time a key is ...