Meaning & use
nonrepudiation
Last updated
The security property that ensures a party cannot later deny having sent a message or performed an action.
See it in a sentence
Digital signatures provide nonrepudiation, so a sender cannot later claim they never sent the document.
The bank's system was designed with nonrepudiation in mind to prevent disputes over online transactions.
A note on using this word
A specialized term from cybersecurity and cryptography, often listed alongside confidentiality and integrity as a core goal of secure systems.
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