What design feature of Instant Messaging makes it extremely insecure compared to other messaging systems?
A.
It is a peer-to-peer network that offers most organizations virtually no control over it.
B.
Most IM clients are actually Trojan Horses.
C.
It is a centrally managed system that can be closely monitored.
D.
It uses the insecure Internet as a transmission medium.
Explanation:
Answer A seems to be the most correct of these answer.
B: is incorrect because IM client are not Trojan Horses, but they can be compromised by Trojan Horses.
C: is incorrect because the answer would make IM secure.
D: All IM messaging system that transverse the Internet uses it as a medium.