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Integrity

(출처 : wikipedia)

In information security, data integrity means maintaining and assuring the accuracy and consistency of data over its entire life-cycle.[6] This means that data cannot be modified in an unauthorized or undetected manner. This is not the same thing as referential integrity in databases, although it can be viewed as a special case of Consistency as understood in the classic ACID model of transaction processing. Integrity is violated when a message is actively modified in transit. Information security systems typically provide message integrity in addition to data confidentiality.