Final answer:
Multi-factor authentication is essential for all systems, not just those in publicly accessible areas.
Explanation:
False. Systems in publicly accessible areas are crucial, but multi-factor authentication should be used for all systems, regardless of their location. Multi-factor authentication adds an extra layer of security by requiring users to provide two or more forms of identification to access an account.
Learn more about Multi-factor Authentication here:
https://brainly.com/question/44243083
