What is non-repudiation?

non-repudiation meaning in Internet terms is
Definition: A property achieved through cryptographic methods to protect against an individual or entity falsely denying having performed a particular action related to data.
Extended Definition: Provides the capability to determine whether a given individual took a particular action such as creating information, sending a message, approving information, and receiving a message.
Related Term(s): integrity, authenticity
Adapted from: CNSSI 4009; From: NIST SP 800-53 Rev 4


reference: Glossary | National Initiative for Cybersecurity Careers and Studies