CERTIFIED-IN-CYBERSECURITY · Question #385
CERTIFIED-IN-CYBERSECURITY Question #385: Real Exam Question with Answer & Explanation
The correct answer is B: ... the protection against an individual falsely denying having performed a particular action. Non-repudiation is a security concept that ensures that someone cannot deny the authenticity or origin of a communication, transaction or action they have performed. It provides evidence that the claimed party actually performed the action and prevents them from denying their inv
Question
Non-repudiation is ...:
Options
- A... a law with multinational implications
- B... the protection against an individual falsely denying having performed a particular action
- C... ensuring that protective security measures are in place
- D... the right of an individual to control the distribution of information about themselves
Explanation
Non-repudiation is a security concept that ensures that someone cannot deny the authenticity or origin of a communication, transaction or action they have performed. It provides evidence that the claimed party actually performed the action and prevents them from denying their involvement. Non-repudiation is often achieved through the use of digital signatures, timestamps and audit trails, which provide evidence that can be used to prove the authenticity and integrity of a transaction or communication (see ISC2 Study Guide, Chapter 1, Module 1). The remaining options are incorrect, as the right of an individual to control the dissemination of information about themselves relates to privacy rights or data protection measures, but is not directly related to non-repudiation. Ensuring that protective security measures are in place is a general statement that does not refer specifically to non-repudiation. Non-repudiation is a security principle, not a law.
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