Answer:
Need to know is the correct answer of this question.
Explanation:
Sensitive information requesters should not be given access simply because of their clearance, position, or rank. The sender will also have to establish a reasonable need to view the information. The term needs to be known.
Need to know is a requirement or predetermined condition by which access to the necessary information is only given to the account owner when a legitimate need is developed, not just because of the his authorization, role or classify.