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Optimal budget allocation in budget-based access control

Salim, Farzad, Dulleck, Uwe, Reid, Jason F., & Dawson, Edward (2011) Optimal budget allocation in budget-based access control. In The 6th International Conference on Availability, Reliability and Security, IEEE Computer Society, Vienna University of Technology, Vienna.

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Abstract

In dynamic and uncertain environments, where the needs of security and information availability are difficult to balance, an access control approach based on a static policy will be suboptimal regardless of how comprehensive it is. Risk-based approaches to access control attempt to address this problem by allocating a limited budget to users, through which they pay for the exceptions deemed necessary. So far the primary focus has been on how to incorporate the notion of budget into access control rather than what or if there is an optimal amount of budget to allocate to users. In this paper we discuss the problems that arise from a sub-optimal allocation of budget and introduce a generalised characterisation of an optimal budget allocation function that maximises organisations expected benefit in the presence of self-interested employees and costly audit.

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ID Code: 45791
Item Type: Conference Paper
Keywords: Dynamic Environments, Access Control, Insider Problem, Economics, Credence Good
DOI: 10.1109/ARES.2011.122
ISBN: 9780769544854
Subjects: Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > COMPUTER SOFTWARE (080300) > Computer System Security (080303)
Australian and New Zealand Standard Research Classification > ECONOMICS (140000) > APPLIED ECONOMICS (140200)
Divisions: Current > QUT Faculties and Divisions > QUT Business School
Past > Schools > Computer Science
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Institutes > Information Security Institute
Current > Schools > School of Economics & Finance
Copyright Owner: Copyright 2011 IEEE
Deposited On: 09 Sep 2011 09:14
Last Modified: 15 Jan 2013 10:49

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