Integrity

(1) The accuracy, completeness and validity of information in accordance with business values and expectations. The property that data or information has not been modified or altered in an unauthorized manner. (2) A security service that allows verification that an unauthorized modification (including changes, insertions, deletions and duplications) has not occurred either maliciously or accidentally. See also data integrity. “Guarding against improper information modification or destruction, and includes ensuring information nonrepudiation and authenticity. ” (44 USC Sec. 3542)A state characterized by the assurance that modifications are not made by unauthorized users and authorized users do not make unauthorized modifications.