CompTIA: Advanced Security Practitioner (CASP) Exam Prep

Answer: B - A Trojan is software that represents itself as something desirable and when installed it drops a malicious payload.

Key Takeaway: A Trojan Horse, or Trojan for short, is malware that disguises itself by making the user think it is a desirable or beneficial program, and then once the user installs or runs it, it drops its malicious payload on the system. It is named for the wooden horse filled with soldiers that the ancient Greeks used at Troy to get inside the city.