Exam 712-50 topic 1 question 123 discussion

sec authentication is an added sec feature underlying defense in depth concept

A. Defense in depth cost enumerated costs Defense in depth is a cybersecurity strategy that employs multiple layers of security controls (defenses) to protect information and resources. Implementing a secondary authentication process is a classic example of adding an additional layer of security, enhancing the overall security posture by requiring multiple factors to authenticate users. This approach ensures that even if one layer of defense (e.g., primary authentication) is compromised, other layers (e.g., secondary authentication) provide additional protection.

Correct answer is A

A. Defense in depth, also referred to as Layered Security.

Each letter here seem to have more than one answer. This is either layered security or MFA or similar.

This is layered security.