Which of the following objectives are defined by integrity in the C.I.A triad of information security systems? Each correct answer represents a part of the solution. Choose three.

A. It preserves the internal and external consistency of information.
B. It prevents the unauthorized or unintentional modification of information by the authorized users.
C. It prevents the intentional or unintentional unauthorized disclosure of a message's contents .
D. It prevents the modification of information by the unauthorized users.