Select all that apply

Select what's true about how a Trojan infects a computer system.

Multiple select question.

Trojans are designed using some sort of social engineering tactic.

Trojans are easily detected by most antivirus software programs.

Hackers use Trojans to create a backdoor into a user's system which allows them to spy on the computer's activities.

Trojans are commonly used by hackers to gain access to systems and devices.