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Context-aware access control for pervasive access to process-based healthcare systems.

Vassiliki Koufi¹, George Vassilacopoulos

¹Department of Digital Systems, University of Piraeus, Piraeus 185 34, Greece.

Studies in Health Technology and Informatics

|May 20, 2008

Summary

This study introduces a context-aware access control mechanism for healthcare Grid portal applications. It enhances security by providing just-in-time permissions, reducing data integrity risks in mobile healthcare environments.

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Area of Science:

Health Informatics
Computer Science
Cybersecurity

Background:

Healthcare is increasingly collaborative, requiring integrated computing resources.
Grid technology offers a solution for integrating disparate healthcare systems.
Mobile and wireless infrastructure enables ubiquitous access to healthcare services.

Purpose of the Study:

To present a context-aware access control mechanism for HDGPortal, a Grid portal application.
To enhance security for wireless Personal Digital Assistants accessing healthcare workflows.
To ensure adherence to the least privilege principle in dynamic healthcare environments.

Main Methods:

Developed a context-aware access control mechanism for a Grid portal application (HDGPortal).
Enhanced existing Grid Security Infrastructure mechanisms.
Implemented just-in-time permissions adjusted based on user context.

Main Results:

The mechanism provides tight, context-specific permissions for authorized users.
Permissions are continuously adjusted based on changing contextual factors.
Reduced the risk of compromising information integrity during healthcare task execution.

Conclusions:

Context-aware access control is essential for secure mobile healthcare Grid portals.
The proposed mechanism effectively enforces the least privilege principle.
Ubiquitous access to integrated healthcare services can be secured, improving quality of care.