Trojan horse
In Greek mythology, the Trojan horse was a hollow wooden horse used by Greek soldiers during a war to enter the city of Troy. Metaphorically, a Trojan horse was a person or thing intended to trick or deceive another, such as an enemy or opponent, and bringing about their downfall from within a secure location.

In 2257,  stated that if Gabrielle Burnham was a Trojan horse, then the 's defenses would prove woefully inadequate. ()

See also 
 Trojan Horse Project

External link 
 

Linguistics
Maneuvers