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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

Security Principles

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.

Topics

#Digital Signatures#Data Integrity#Non-repudiation#Cryptography

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