17 types of Trojans and how to defend against them


Computer Trojans received their name from the infamous mythological horse. The Trojan’s basic mission is to mislead people of its real goal. A Trojan is malicious software that usually needs to be launched by the user or another malicious program.

Malicious code typically penetrates the system under the guise of a useful utility or tool. However, the main task of such software is to perform one or more of these malicious actions:

  • Delete user or system data
  • Change user or system data
  • Encrypt user or system data
  • Copy user or system data