Assurance in identity management systems

Chehab, Maya I. and Abdallah, Ali E. (2010) Assurance in identity management systems. In: Information Assurance and Security (IAS), 2010 Sixth International Conference. IEEE Conference Publications, pp. 216-221. ISBN 978-1-4244-7409-7

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Degree of identity assurance has been realized in several different approaches to authentication assurance frameworks; to become one of the parameters used in decision making about whether to grant or deny a service. However, current approaches do not look at diversity of authentication mechanisms, used for establishing the identity of a user, as an application to mitigate identity threats and consequently affects identity assurance in the authentication operation. This paper revisits the area of authentication assurance to present a framework for using identity assurance in the context of risk-based service provisioning. It demonstrates identity assurance in the authentication operation as being affected by the diversity of authentication mechanisms. By considering diversity in mechanisms, this framework gives service providers confidence that services are only restricted to users who have satisfied a certain degree of identity assurance, by going through a rigorous mechanism for establishing identity. Moreover, by giving a user different mechanisms to authenticate to different services, this work is useful for enabling users to separate between identities used for services accessing information of different levels of criticality.

Item Type: Book Section
Uncontrolled Keywords: risk based service provision, identity management system, authentication assurance, decision making
Subjects: CAH11 - computing > CAH11-01 - computing > CAH11-01-01 - computer science
Divisions: Faculty of Computing, Engineering and the Built Environment
Faculty of Computing, Engineering and the Built Environment > School of Computing and Digital Technology
Depositing User: Oana-Andreea Dumitrascu
Date Deposited: 06 Apr 2017 14:38
Last Modified: 22 Mar 2023 12:02

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