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, ...

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 ...

The style and purpose of viruses runs the gamut. Following is a small sampling. See Sophos and virus. The fastest spreading virus in history appears to have been written by a resident of Manila in the ...