The process of verifying or proving the user's identification is known as:

Authentication is the security process of verifying the identity of a user, process, or device. It is the mechanism by which a system confirms that a claimed identity is genuine. This is typically accomplished by challenging the entity for evidence of its identity, such as something the user knows (a password), something the user has (a security token), or something the user is (a biometric characteristic). The question directly asks for the term that describes this verification or proving of a user's identification, which is the precise definition of authentication.

B. Authorization: This is the process of granting specific permissions to an already authenticated user, defining what resources they can access.

C. Integrity: This is a security principle that ensures data has not been altered or destroyed in an unauthorized manner.

D. Confidentiality: This is a security principle that ensures information is not disclosed to unauthorized individuals, entities, or processes.

1. National Institute of Standards and Technology (NIST). (2017). NIST Special Publication 800-63-3: Digital Identity Guidelines. Section 4.1

Authentication Overview. "Authentication is the process of verifying a claimed identity."

2. Saltzer

J. H.

& Schroeder

M. D. (1975). The Protection of Information in Computer Systems. Communications of the ACM

18(7)

38-47. In Section I.A.3

the paper discusses authentication as the mechanism for verifying the identity of a user or principal. (DOI: https://doi.org/10.1145/361011.361062)

3. Pfleeger

C. P.

Pfleeger

S. L.

& Margulies

J. (2015). Security in Computing (5th ed.). Prentice Hall. Chapter 1

Section 1.2

"The Meaning of Computer Security

" defines authentication as the "binding of an identity... to a subject."