Which of the following issues is not addressed by digital signatures?

Last Updated on March 28, 2022 by Admin 3

Which of the following issues is not addressed by digital signatures?

  • nonrepudiation
  • authentication
  • data integrity
  • denial-of-service
Explanation:

A digital signature directly addresses both confidentiality and integrity of the CIA triad. It does not directly address availability, which is what denial-of-service attacks.

The other answers are not correct because:

“nonrepudiation” is not correct because a digital signature can provide for nonrepudiation.
“authentication” is not correct because a digital signature can be used as an authentication mechanism
“data integrity” is not correct because a digital signature does verify data integrity (as part of nonrepudiation)

References:
Official ISC2 Guide page: 227 & 265
All in One Third Edition page: 648

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