The requester of sensitive information should not receive access just because of his or her clearance, position, or rank. The requester must also establish a valid need to see the information. The term for this is: .a. least privilegeb. need to knowc. confidential information declassificationd. access control

Option b is the correct answer for the above question.

Explanation:

The "need to know" is a security policy that gives access to the documents to that user only which has permission to see the document or which is the right user to see the document.This policy asked some information from the user and block that user who have no knowledge about that information. No user can access the document either it has a good position or rank. There is a need to verify the knowledge in front of the site.The above question Asked about the policy which is used to give access to the right user. This policy is known as the need to know. so the b option is correct while the other is not because:-Option 'a' states about least privilege which is another security mechanism.Option c states about confidentiality which comes under the need to know.Option d states about access control which is not the correct answer.

Ligma is the answer