authenticity

1. [Data Management] [Data Security] Synonym for data integrity.

2. [Data Management] [Data Security] [Legal] The property of being genuine and being able to be verified and trusted; confidence in the validity of a transmission, a message, or message originator. [NIST SP 800-53]

3. [Legal] The property, condition, or quality of being worthy of trust, reliance, or belief because the proponent (offeror) has shown enough corroborating evidence to a jury (or trier of fact) to warrant such.