Trojan 1 (Trojan Horse)
Trojan 1 (Trojan Horse) : (ICT) (IS) A program comes with a hidden surprise intended by the programmer but unexpected by the user. Trojan horses are often designed to cause damage or do something malicious to a system, but are disguised as something useful. Unlike viruses, Trojan horses don't make copies of themselves. Like viruses, they can cause significant damage to a computer