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Related Experiment Video

Updated: Jun 13, 2025

Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack
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Blockchain-enabled EHR access auditing: Enhancing healthcare data security.

Faheem Ullah1, Jingsha He1, Nafei Zhu1

  • 1Faculty of Information Technology, Beijing University of Technology, Beijing, China.

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|September 10, 2024
PubMed
Summary
This summary is machine-generated.

Robust auditing of Electronic Health Records (EHR) is crucial for security. This study introduces blockchain and Purpose-Based Access Control (PBAC) to create immutable audit trails, enhancing EHR data integrity and compliance.

Keywords:
Access control patternEHR access control policy verificationEHR audit logsEHR audit trailPurpose-based access controlSmart contract

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Area of Science:

  • Health Informatics
  • Cybersecurity
  • Blockchain Technology

Background:

  • Electronic Health Records (EHR) are vital but present significant security challenges.
  • Lack of EHR access auditing mechanisms creates accountability gaps and security vulnerabilities.
  • Inadequate compliance auditing increases risks of data breaches and unauthorized data usage.

Purpose of the Study:

  • To address the need for robust EHR auditing systems.
  • To scrutinize EHR data access, including who, when, and for what purpose.
  • To enhance EHR data security and compliance auditing procedures.

Main Methods:

  • Developed an immutable audit trail using blockchain technology for enhanced EHR data security.
  • Integrated Purpose-Based Access Control (PBAC) with smart contracts for compliance auditing.
  • Validated access legitimacy and reduced unauthorized entries through PBAC policy verification.

Main Results:

  • Successfully created an audit trail for EHR access.
  • Enabled compliance auditing via PBAC policy verification.
  • Generated comprehensive audit logs and derived data-driven insights.

Conclusions:

  • The proposed system significantly fortifies EHR access security.
  • Blockchain and PBAC integration enhance data integrity and accountability.
  • The solution addresses critical vulnerabilities in EHR access control and auditing.