Question

A Trojan horse:

Answer 1

Answer:

The answer is "option D"

Explanation:

Trojan horse is a software, that is installed on a system and appears benign, but in actual it is the addition of malicious which unexpected modifications in config files and unusual activity even when the computer is idle are strong signs that a Trojan exists on a system. and other options are not correct that can be described as follows:

• In option A, It is a malware that is also known as Trojan.
• In option B, It is malware, not a virus but the malware includes viruses.
• In option C, It doesn't install spyware on the user's computer.
• In option E, It doesn't use for enterprise networks to penetrate.