Glossary

A computer trojan horseA computer trojan horse is basically a computer version of the horse that the Greeks used to conquer Troy. It is a program that typically reports to do one thing, but in reality may or may not perform as advertised, and almost always performs some sort of other, usually harmful action. A lot of trojans download and install viruses, worms, or spyware. is basically a computer version of the horse that the Greeks used to conquer Troy. It is a program that typically reports to do one thing, but in reality may or may not perform as advertised, and almost always performs some sort of other, usually harmful action. A lot of trojans download and install viruses, worms, or spyware.