An organization has identified an increased threat of external brute force attacks in its environment. Which of the following is the MOST effective way to mitigate this risk to the organization's critical systems?
A.
Increase the frequency of log monitoring and analysis.
B.
Implement a security information and event management system (SIEM).
C.
Increase the sensitivity of intrusion detection systems.
Multi-factor authentication adds an additional layer of security by requiring users to provide multiple forms of identification before granting access. This makes it significantly more challenging for attackers to gain unauthorized access through brute force attacks, even if they manage to obtain or guess passwords.
While options like increasing the frequency of log monitoring and analysis (option A), implementing a security information and event management system (SIEM) (option B), and increasing the sensitivity of intrusion detection systems (option C) are valuable security measures, multi-factor authentication is a highly effective control specifically designed to address the risk of unauthorized access through brute force attacks.
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