Which of the following is considered the first line of defen

Which of the following is considered the first line of defense against human attack?

A. Cryptography

B. Physical security

C. Business continuity planning

D. Policies

Solution

B. Physical security is considered the first line of defense against human behavior. Items such as gates, guards, locks, and cameras can be used for physical defense. Answer A is incorrect because cryptography is best used to protect the integrity and confidentiality of data. Answer C is incorrect because business continuity planning should be used to prevent critical outages. Answer D is incorrect because policies are an administrative control.