Which of the following elements of security means that the only authorized users are able to modify data?

A.
Authenticity

B.
Availability

C.
Confidentiality

D.
Integrity

Explanation:
There are four elements of security, which are as follows:
Confidentiality: It means that data should only be accessible by authorized users. This access includes printing, displaying, and other forms of disclosure, including simply revealing the existence of an object.
Integrity: it means that the only authorized users are able to modify data. Modification admits writing, changing, changing status, deleting, and creating. Availability: It means that data should only be available to authorized users. Authenticity: it means that a host or service should be able to verify the identity of a user.