CERTIFIED-IN-CYBERSECURITY · Question #202
CERTIFIED-IN-CYBERSECURITY Question #202: Real Exam Question with Answer & Explanation
The correct answer is D: Data integrity and non-repudiation. Digital signatures offer the security benefits of data integrity and non-repudiation (see ISC2 Study Guide, Module 1, under Non- repudiation). Indeed, a digital signature can be uniquely linked to a specific sender, offering an undeniable (non-repudiable) proof of the sender's id
Question
Digital signatures provide which of the following security benefits?
Options
- AData confidentiality and encryption
- BData availability and redundancy
- CData anonymization and obfuscation
- DData integrity and non-repudiation
Explanation
Digital signatures offer the security benefits of data integrity and non-repudiation (see ISC2 Study Guide, Module 1, under Non- repudiation). Indeed, a digital signature can be uniquely linked to a specific sender, offering an undeniable (non-repudiable) proof of the sender's identity and of the fact that the message originated from them. Moreover, when a digital signature is used, any changes made to the data after it has been signed will invalidate the signature, providing a method to check whether the data has been tampered with.
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