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ThinkMind // GLOBAL HEALTH 2016, The Fifth International Conference on Global Health Challenges // View article global_health_2016_2_10_70029


Modeling of Work-Based Access Control for Cooperative Healthcare Systems with XACML

Authors:
Mohamed Abomhara
Henrik Nergaard

Keywords: Access control; Collaboration environments; Healthcare

Abstract:
Access control is ideal for managing access to information and controlling legitimate user activities by mediating every user attempt to access a system resource. However, in a collaborative environment, the biggest challenges with deploying access control are deciding on the extent and limit of resource sharing as well as difficulty with editing, managing and updating access control policies. In our previous work in the area of access control, we proposed a work-based access control (WBAC) model that strikes a balance between collaboration and safeguarding sensitive patient information. The current study extends on that work by demonstrating how eXtensible Access Control Markup Language (XACML) is used to express WBAC policies. We explain the WBAC model for cooperative healthcare systems, implement the WBAC profile using XACML 2.0, specify permissions and define all authorization policies. We examine the access policies and show how the WBAC model simplifies decentralized administrative tasks (e.g., changing of team members and shifting responsibilities), thus enhancing the practicability of access control in dynamic collaboration environments.

Pages: 14 to 21

Copyright: Copyright (c) IARIA, 2016

Publication date: October 9, 2016

Published in: conference

ISSN: 2308-4553

ISBN: 978-1-61208-511-1

Location: Venice, Italy

Dates: from October 9, 2016 to October 13, 2016

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