CERTIFIED-IN-CYBERSECURITY · Question #296
CERTIFIED-IN-CYBERSECURITY Question #296: Real Exam Question with Answer & Explanation
The correct answer is C: Providing proof that a specific sender sent a specific message. Non-repudiation, in the context of digital signatures, refers to the ability to provide proof that a particular sender sent a specific message (see ISC2 Study Guide, Module 1, under Non- repudiation). Ensuring that unauthorized parties cannot read a message is a measure used to p
Question
Which of the following best describes non-repudiation in the context of digital signatures?
Options
- AVerifying the identity of a user attempting to access a system
- BGuaranteeing that a message has not been tampered with during transmission
- CProviding proof that a specific sender sent a specific message
- DEnsuring that a message cannot be read by unauthorized parties
Explanation
Non-repudiation, in the context of digital signatures, refers to the ability to provide proof that a particular sender sent a specific message (see ISC2 Study Guide, Module 1, under Non- repudiation). Ensuring that unauthorized parties cannot read a message is a measure used to protect the confidentiality aspect of the CIA Triad. Guaranteeing that a message has not been tampered with during transmission is a measure used to protect integrity. Verifying the identity of a user attempting to access a system is a measure used to protect the authentication aspect.
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