Blockchain-Based Evidence Trustworthiness System in Certification

Cristina Regueiro*, Borja Urquizu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Digital evidence is a critical component in today’s organizations, as it is the foundation on which any certification is based. This paper presents a risk assessment of evidence in the certification domain to identify the main security risks. To mitigate these risks, it also proposes an adaptation of an existing Blockchain-based audit trail system to create an evidence trustworthiness system enhancing security and usability. This system covers specific additional requirements from auditors: evidence confidentiality and integrity verification automation. The system has been validated with cloud service providers to increase the security of evidence for a cybersecurity certification process. However, it can be also extended to other certification domains.

Original languageEnglish
Article number1
JournalJournal of Cybersecurity and Privacy
Volume5
Issue number1
DOIs
Publication statusPublished - Mar 2025

Keywords

  • blockchain
  • certification
  • evidence
  • integrity
  • risk assessment
  • trustworthiness

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