Certified Information Security Manager (CISM) — Question 898

Which of the following principles BEST addresses the protection of data from unauthorized modification?

Answer options

• A. Nonrepudiation
• B. Integrity
• C. Availability
• D. Authenticity

Correct answer: B

Explanation

The correct answer is B, Integrity, as it ensures that data remains accurate and unaltered unless authorized changes are made. Nonrepudiation (A) relates to the assurance that someone cannot deny the validity of their signature or message, while Availability (C) ensures that data is accessible when needed, and Authenticity (D) verifies the identity of the users or systems involved.