A SIEM solution alerts a security analyst of a high number of login attempts against the company's webmail portal. The analyst determines the login attempts used credentials from a past data breach. Which of the following is the BEST mitigation to prevent unauthorized access?
A) Single sign-on
B) Mandatory access control
C) Multifactor authentication
D) Federation
E) Privileged access management

Question

Quizplus · Accepted Answer

Multifactor authentication (MFA) adds an additional layer of security by requiring users to provide two or more verification factors, making it more difficult for attackers to gain unauthorized access using compromised credentials.

A SIEM Solution Alerts a Security Analyst of a High