The first and foremost step for a penetration test is information gathering. The main objective
of this test is to gather information about the target system which can be used in a malicious
manner to gain access to the target systems.

Which of the following information gathering terminologies refers to gathering information
through social engineering on-site visits, face-to-face interviews, and direct questionnaires?

A.
Active Information Gathering

B.
Pseudonymous Information Gathering

C.
Anonymous Information Gathering

D.
Open Source or Passive Information Gathering