Authenticity is a data security attribute in which the claim of origin or ownership of data is verified. When data is passed between two parties, it is useful to be able confirm that the data originates from the sending party, without which there is a danger of impersonation from third parties.
Authenticity can be validated in different ways. Using public key cryptography, it is possible for one party to sign a document with their digital signature which can confirm the document’s authenticity. It is also possible to use techniques such as website digital certificates, in which websites use secure connections to user’s browsers, with the connection verified by a trusted third party.
- Utility is part of the Parkerian Hexad model of security attributes.
Authenticity is a required part of non-repudiation.
Last updated: 17 October 2017