Trojan horse

( n.)

   [coined  by  MIT-hacker-turned-NSA-spook  Dan  Edwards]  A  malicious
   security-breaking program that is disguised as something benign, such
   as a directory lister, archiver, game, or (in one notorious 1990 case
   on  the  Mac) a program to find and destroy viruses! See {back door},
   {virus}, {worm}, {phage}, {mockingbird}.

[glossary]
[Reference(s) to this entry by made by: {letterbomb}{malware}{mockingbird}{phage}{sharchive}{virus}{worm}]