Which of the following attacks MOST likely occurred?

A security analyst needs to determine how an attacker was able to use User3 to gain a foothold within a company’s network. The company’s lockout policy requires that an account be locked out for a minimum of 15 minutes after three unsuccessful attempts.

While reviewing the log files, the analyst discovers the following:

Which of the following attacks MOST likely occurred?
A . Dictionary
B . Credential-stuffing
C . Password-spraying
D . Brute-force

View Answer

Answer: D