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A Clark-Wilson and ANSI role-based access control model

A Clark-Wilson and ANSI role-based access control model PurposeAn electronic health record (EHR) enables clinicians to access and share patient information electronically and has the ultimate goal of improving the delivery of healthcare. However, this can create security and privacy risks to patient information. This paper aims to present a model for securing the EHR based on role-based access control (RBAC), attribute-based access control (ABAC) and the Clark-Wilson model.Design/methodology/approachA systematic literature review was conducted which resulted in the collection of secondary data that was used as the content analysis sample. Using the MAXQDA software program, the secondary data was analysed quantitatively using content analysis, resulting in 2,856 tags, which informed the discussion. An expert review was conducted to evaluate the proposed model using an evaluation framework.FindingsThe study found that a combination of RBAC, ABAC and the Clark-Wilson model may be used to secure the EHR. While RBAC is applicable to healthcare, as roles are linked to an organisation’s structure, its lack of dynamic authorisation is addressed by ABAC. Additionally, key concepts of the Clark-Wilson model such as well-formed transactions, authentication, separation of duties and auditing can be used to secure the EHR.Originality/valueAlthough previous studies have been based on a combination of RBAC and ABAC, this study also uses key concepts of the Clark-Wilson model for securing the EHR. Countries implementing the EHR can use the model proposed by this study to help secure the EHR while also providing EHR access in a medical emergency. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Information & Computer Security Emerald Publishing

A Clark-Wilson and ANSI role-based access control model

Information & Computer Security , Volume 28 (3): 23 – Jun 14, 2020

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
2056-4961
DOI
10.1108/ICS-08-2019-0100
Publisher site
See Article on Publisher Site

Abstract

PurposeAn electronic health record (EHR) enables clinicians to access and share patient information electronically and has the ultimate goal of improving the delivery of healthcare. However, this can create security and privacy risks to patient information. This paper aims to present a model for securing the EHR based on role-based access control (RBAC), attribute-based access control (ABAC) and the Clark-Wilson model.Design/methodology/approachA systematic literature review was conducted which resulted in the collection of secondary data that was used as the content analysis sample. Using the MAXQDA software program, the secondary data was analysed quantitatively using content analysis, resulting in 2,856 tags, which informed the discussion. An expert review was conducted to evaluate the proposed model using an evaluation framework.FindingsThe study found that a combination of RBAC, ABAC and the Clark-Wilson model may be used to secure the EHR. While RBAC is applicable to healthcare, as roles are linked to an organisation’s structure, its lack of dynamic authorisation is addressed by ABAC. Additionally, key concepts of the Clark-Wilson model such as well-formed transactions, authentication, separation of duties and auditing can be used to secure the EHR.Originality/valueAlthough previous studies have been based on a combination of RBAC and ABAC, this study also uses key concepts of the Clark-Wilson model for securing the EHR. Countries implementing the EHR can use the model proposed by this study to help secure the EHR while also providing EHR access in a medical emergency.

Journal

Information & Computer SecurityEmerald Publishing

Published: Jun 14, 2020

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