Primary definition
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. See authentication. Source: NIST SP 800-53 Rev 4; NIST SP 800-53A Rev 1; NIST SP 800-39
Also known asgenuineness · validity · trustworthiness · verifiability · legitimacy
3 sources cited4 related termsReviewed Aug 9, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
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. See authentication. Source: NIST SP 800-53 Rev 4; NIST SP 800-53A Rev 1; NIST SP 800-39
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Authenticity. In Election Security Glossary. Retrieved August 20, 2026, from https://electionsecurityglossary.com/glossary/authenticity
Sources
3 cited · last checked Aug 9, 2026
01
Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015
High consensus
02
NICCS Glossary
NICCS Glossary
Multi-source
03
The Cyber Glossary
The Cyber Glossary
Multi-source
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