Free CompTIA Security+ SY0-701 Practice Question

A security analyst at a retail bank has discovered a series of unauthorized transactions that resulted in funds being siphoned from multiple accounts. Upon further investigation, the analyst found evidence that the digital signatures used to authenticate legitimate transactions had been artificially created to validate these unauthorized transfers. Which of the following best describes the kind of attack the bank is experiencing?

  • Message digest tampering

  • Digital signature forgery

  • Cryptanalysis

  • Repudiation attack

This question's topic:
CompTIA Security+ SY0-701 / 
Threats, Vulnerabilities, and Mitigations
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