Titlebook: Data and Applications Security and Privacy XXVI; 26th Annual IFIP WG Nora Cuppens-Boulahia,Frédéric Cuppens,Joaquin Gar Conference proceed

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Automated and Efficient Analysis of Role-Based Access Control with Attributesy-default) policy approach in which rules can assign users negated roles thus preventing access to the permissions associated to the role. The problems of detecting redundancies and inconsistencies are formally stated. By expressing the conditions on the attributes in the rules with formulae of theo

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A Unified Attribute-Based Access Control Model Covering DAC, MAC and RBACels (i.e, discretionary-DAC, mandatory-MAC and role based-RBAC) while unifying their advantages. Although some proposals for ABAC have been published, and even implemented and standardized, there is no consensus on precisely what is meant by ABAC or the required features of ABAC. There is no widely

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Homocystinuria

Privacy Consensus in Anonymization Systems via Game Theoryoposed to address privacy issues in private datasets. Every anonymization method has at least one parameter to adjust the level of privacy protection considering some utility for the collected data. Choosing a desirable level of privacy protection is a crucial decision and so far no systematic mecha

一再煩擾

Uniform Obfuscation for Location Privacybroadly used approach is ., which adds an artificial noise to positions and returns an obfuscated measurement to the requester. Our main finding is that, unless the noise is chosen properly, these methods do not withstand attacks based on probabilistic analysis. In this paper, we define a strong adv

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