Which of the following statements about the authentication concept of information security management is true? 

Answer options:

A. It establishes the users` identity and ensures that the users are who they say they are.
B. It ensures the reliable and timely access to resources.
C. It determines the actions and behaviors of a single individual within a system, and identifies that particular individual.
D. It ensures that modifications are not made to data by unauthorized personnel or processes.

The concept of authentication establishes the users` identity and ensures that the users are who they say they are. Answer: B is incorrect. The

individual within a system, and identifies that particular individual.