An Intrusion Detection System (IDS) is generating alarms that a user account has over 100 failed
login attempts per minute. A sniffer is placed on the network, and a variety of passwords for that
user are noted. Which of the following is MOST likely occurring?
A.
A dictionary attack
B.
A Denial of Service (DoS) attack
C.
A spoofing attack
D.
A backdoor installation