Todd is the systems administrator for a small company. One morning, he notices that one of the
accounts on the network is locked out because of multiple login failures. What event has most
likely occurred?

A.
The account was the target of a spoofing attack.

B.
The account was the target of a brute-force attack.

C.
The account was the target of a social-engineering attack.

D.
The account was the target of a Trojan horse attack.