From the course: Cert Prep: ISC2 Certified in Cybersecurity (CC)
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Non-repudiation
From the course: Cert Prep: ISC2 Certified in Cybersecurity (CC)
Non-repudiation
- Another important focus of some security controls is providing non-repudiation. Let's walk through what that term means. Repudiation, is a term that means denying something is true. Non-repudiation is a security goal that prevents someone from falsely denying that something is true. For example, you might agree to pay someone $10,000 in exchange for a car. If you just had a handshake agreement, it might be possible for you to later repudiate your actions. You might claim that you never agreed to purchase the car or that you agreed to pay a lower price. We solved this issue by using signed contracts when we sell a car. Your signature on the document is the proof that you agreed to the terms and if you later go to court, the person selling you the car can prove that you agreed by showing the judge the signed document. Physical signatures provide non-repudiation on contracts, receipts, and other paper documents.…
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