1. The property enabling principals' actions to be attributed to them in such a way that there is little possibility for denying responsibility for those actions.
2. The security goal that generates the requirement for actions of an entity to be traced uniquely to that entity.
This supports non-repudiation, deterrence, fault isolation, intrusion detection and prevention, and after-action recovery and legal action. [NIST SP 800-33]
Context Categories:
Data Security