An attacker can use a specific method to exploit the clear-text attribute of Instant-Messaging
sessions. Which is it?

A.
Packet sniffing.

B.
Reverse engineering.

C.
Cryptanalysis.

D.
Port scanning.

Explanation:

Since only clear unencrypted text is being sent across the world through multitudes of WAN
equipment and routers; it is easy for someone to sniff your conversation and eavesdrop on every
single word you type.