A trojan is a computer program that gets access to a computer or system by appearing to be harmless, but is designed to do something damaging.
[computing]
Spammers gain control of your computer by infecting it with a trojan.
Trojan in British English
(ˈtrəʊdʒən)
noun
1.
a native or inhabitant of ancient Troy
2.
a person who is hard-working and determined
3. (often without capital) another name for Trojan Horse (sense 3)
adjective
4.
of or relating to ancient Troy or its inhabitants
Trojan in American English
(ˈtroʊdʒən)
adjective
1.
of ancient Troy or its people or culture
noun
2.
a person born or living in ancient Troy
3.
a strong, hardworking, determined person
4. Obsolete
a merry, dissolute companion
Word origin
ME Troyan < L Trojanus < Troja, Troy
More idioms containing
trojan
a Trojan horse
Examples of 'Trojan' in a sentence
Trojan
Stan Walley, our shop steward, reckoned it was a Trojan horse got up by management, looking for ways to lay people off.
Laurie Graham MR STARLIGHT (2004)
In Asia, Africa and the Americas, Soviet policy was to use local people as their Trojan horse.
Shah, Idries KARA KUSH
It's like the Trojan horse, Evelyn, presents that aren't really presents.
Anita Anderson SOMEBODY (2002)
``We never looked at the Trojan civilizations," Renner said.
Niven, Larry & Pournelle, Jerry THE MOAT AROUND MURCHESON'S EYE (1993)
All related terms of 'trojan'
Trojan duck
a duck that is a carrier of avian flu and is therefore a threat to other birds and also to humans, but which shows no outward signs of infection
Trojan War
a war fought by the Greeks against the Trojans to avenge the abduction of Helen from her Greek husband Menelaus by Paris , son of the Trojan king. It lasted ten years and ended in the sack of Troy
Trojan Horse
If you describe a person or thing as a Trojan horse , you mean that they are being used to hide someone's true purpose or intentions .
Trojan asteroid
one of a number of asteroids that have the same mean motion and orbit as Jupiter , preceding or following the planet by a longitude of 60°
a Trojan horse
a policy or activity that seems harmless , but is likely to damage or destroy something important