Câu 48: 312-50V13: Certified Ethical Hacker v13

John, a professional hacker, performs a network attack on a renowned organization and gains unauthorized access to the target network. He remains in the network without being detected for a long time and obtains sensitive information without sabotaging the organization. Which of the following attack techniques is used by John?

1. A. Insider threat
2. B. Diversion theft
3. C. Spear-phishing sites
4. D. Advanced persistent threat — đáp án hiện tại