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Related Experiment Videos

Common object request broker architecture (CORBA)-based security services for the virtual radiology environment.

R Martinez1, C Cole, J Rozenblit

  • 1Department of Electrical and Computer Engineering, University of Arizona, Tucson 85721, USA. martinez@ece.arizona.edu

Journal of Digital Imaging
|June 10, 2000
PubMed
Summary
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The US Army developed a security policy for its Virtual Radiology Environment (VRE) to protect sensitive patient and operational data. This policy leverages CORBA security services to achieve C2-level information protection and B2-level security for distributed objects.

Area of Science:

  • Computer Science
  • Information Security
  • Medical Informatics

Background:

  • The US Army Great Plains Regional Medical Command (GPRMC) requires adherence to Department of Defense (DoD) security policies for its Virtual Radiology Environment (VRE) Project.
  • Existing DoD security frameworks include Trusted Computer System Evaluation Criteria (TCSEC), Army Regulation (AR) 380-19, and others.

Purpose of the Study:

  • To summarize the security policy developed for the VRE Project.
  • To define the Common Object Request Broker Architecture (CORBA) security services that satisfy the VRE's information protection requirements.
  • To achieve a C2-level of information protection while meeting the functional needs of the GPRMC user community.

Main Methods:

  • Developed a security policy based on DoD and Army regulations to protect information within the VRE.

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  • Identified three major information components requiring protection: patient information (DICOM), Meta-Manager information, and access control/communications security.
  • Utilized the CORBA Security Service Specification (version 1.5) to implement enhanced security features, aiming for TCSEC's B2-level security for distributed objects.

    • Main Results:

    • The VRE security policy defines specific information protection requirements for patient data (demographics, images, history), Meta-Manager data (schedules, worklists, messages), and access controls.
    • CORBA security services, including identification, authentication, authorization, auditing, communication security, nonrepudiation, and administration, are specified to meet the policy requirements.
    • Commercial CORBA Security Service software products are identified for implementing these enhanced security features.

    Conclusions:

    • The implemented security policy and CORBA security services provide a robust framework for protecting sensitive information within the VRE.
    • The VRE project successfully integrates advanced security measures to safeguard digital health information and operational data.
    • This approach ensures compliance with stringent DoD security standards while enabling efficient radiology services.