Non-repudiation in cybersecurity primarily utilizes which two concepts?

Non-repudiation in cybersecurity is fundamentally concerned with ensuring that an individual or entity cannot deny the authenticity of their actions or the authenticity of a transaction. This concept primarily rests on two main pillars: integrity and authentication.

Integrity assures that the data has not been altered or tampered with during transmission or storage. This is crucial because if the data could be modified, a party could potentially deny having sent or received the information, undermining the proof needed for non-repudiation. By ensuring integrity, parties can trust that the data used in a transaction reflects the true actions and statements made.

Authentication ensures that the identities of the parties involved in the communication or transaction are verified. If a transaction or communication is authenticated, it provides confidence that the entities involved are who they claim to be. This is integral to non-repudiation because a party cannot deny an action if they have been properly authenticated, establishing a clear link to their identity and affirming their responsibility for the action taken.

Together, integrity and authentication reinforce the principles of non-repudiation, creating a reliable framework where actions can be verified and held accountable.