CISSP – Information Systems Security Architecture Professional (ISSAP) — Question 43

Computer networks and the Internet are the prime mode of Information transfer today. Which of the following is a technique used for modifying messages, providing Information and Cyber security, and reducing the risk of hacking attacks during communications and message passing over the Internet?

Answer options

• A. Risk analysis
• B. Firewall security
• C. Cryptography
• D. OODA loop

Correct answer: C

Explanation

The correct answer is C, Cryptography, as it specifically involves techniques for modifying and securing messages to protect against unauthorized access and hacking. Option A, Risk analysis, focuses on identifying potential risks rather than securing communications. Option B, Firewall security, refers to protective measures for networks but does not directly modify messages. Option D, OODA loop, is a decision-making framework and not related to message modification or security.