CISSP – Information Systems Security Architecture Professional (ISSAP) — Question 29

Which of the following cryptographic system services ensures that information will not be disclosed to any unauthorized person on a local network?

Answer options

• A. Authentication
• B. Non-repudiation
• C. Integrity
• D. Confidentiality

Correct answer: D

Explanation

The correct answer is D. Confidentiality ensures that information is only accessible to authorized users, preventing unauthorized disclosure. Authentication verifies identities, non-repudiation confirms actions, and integrity ensures data has not been altered, but none of these directly address the protection of information from unauthorized access.