Which of the password attacks is MOST likely happening?

A security analyst reviews a company’s authentication logs and notices multiple authentication failures. The authentication failures are from different usernames that share the same source IP address.

Which of the password attacks is MOST likely happening?
A . Dictionary
B. Rainbow table
C. Spraying
D. Brute-force

View Answer

Answer: C

Explanation:

Detailed Explanation:

Password spraying is an attack where an attacker tries a small number of commonly used passwords against a large number of usernames. The goal of password spraying is to avoid detection by avoiding too many failed login attempts for any one user account. The fact that different usernames are being attacked from the same IP address is a strong indication that a password spraying attack is underway.