$ data integrity
1. (I) The property that data has not been changed, destroyed, or
lost in an unauthorized or accidental manner. (See: data integrity
service. Compare: correctness integrity, source integrity.)
2. (O) "The property that information has not been modified or
destroyed in an unauthorized manner." [I7498-2]
Usage: Deals with (a) constancy of and confidence in data values,
and not with either (b) information that the values represent
(see: correctness integrity) or (c) the trustworthiness of the
source of the values (see: source integrity).