Câu 31: GCIA: GIAC Certified Intrusion Analyst

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

1. A. Risk analysis
2. B. Cryptography — đáp án hiện tại
3. C. Firewall security
4. D. OODA loop