Câu 138: SY0-501: CompTIA Security+

A penetration tester harvests potential usernames from a social networking site. The penetration tester then uses social engineering to attempt to obtain associated passwords to gain unauthorized access to shares on a network server. Which of the following methods is the penetration tester MOST likely using?

1. A. Escalation of privilege
2. B. SQL injection
3. C. Active reconnaissance — đáp án hiện tại
4. D. Proxy server