Câu 55: GCIA: GIAC Certified Intrusion Analyst

Andrew, a bachelor student of Faulkner University, creates a gmail account. He uses 'Faulkner' as the password for the gmail account. After a few days, he starts receiving a lot of e-mails stating that his gmail account has been hacked. He also finds that some of his important mails have been deleted by someone. Which of the following methods has the attacker used to crack Andrew's password?Each correct answer represents a complete solution. Choose all that apply.

1. A. Buffer-overflow attack
2. B. Brute force attack — đáp án hiện tại
3. C. Dictionary-based attack — đáp án hiện tại
4. D. Password guessing — đáp án hiện tại
5. E. Social engineering — đáp án hiện tại
6. F. Zero-day attack
7. G. Denial-of-service (DoS) attack
8. H. Rainbow attack — đáp án hiện tại