What is Trojan horse?
Trojan horse or Trojan is a malicious computer program that is often disguised as legitimate software. It is a program that appears harmless, but used to hack into a computer by misleading users of its true intent. Name Trojan horse, derived from the Ancient Greek story of the wooden horse.
Attackers have long used Trojan horses as a way to trick end users into installing malware. Trojans can be employed by cyber-thieves and hackers trying to gain access to users' systems. Users are typically tricked by some form of social engineering into loading and executing Trojans on their systems.
Typically, the malicious programming is hidden within an innocent-looking email attachment or free program, such as a game. When the user downloads the Trojan horse, the malware that is hidden inside is also downloaded. Once inside the computing device, the malicious code can execute whatever task the attacker designed it to carry out. This infection allows an attacker to access users' personal information such as banking information, passwords, or personal identity.