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- W2038200085 abstract "Policy override is gaining traction in the research community to improve the efficiency and usability of authorization mechanisms. These mechanisms turn the conventional privileges into a soft boundary that may be overridden by users in exceptional situations. The challenge for the practical deployment of the policy override mechanisms often is whether policy override is adequate and, if so, to which extent. In this paper, we propose a calculus to support this decision-making process. The calculus is based on proven risk assessment practices and derives a qualitative result on the adequacy for specific roles and override extents. Moreover, we developed a tool to support the policy override risk assessment. The calculus and the tool are briefly evaluated in two distinct contexts." @default.
- W2038200085 created "2016-06-24" @default.
- W2038200085 creator A5078668114 @default.
- W2038200085 date "2010-09-07" @default.
- W2038200085 modified "2023-10-14" @default.
- W2038200085 title "A calculus for the qualitative risk assessment of policy override authorization" @default.
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- W2038200085 doi "https://doi.org/10.1145/1854099.1854115" @default.
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