Data and Applications Security and Privacy XXIV: 24th Annual by Shiyuan Wang, Divyakant Agrawal, Amr El Abbadi (auth.), Sara

By Shiyuan Wang, Divyakant Agrawal, Amr El Abbadi (auth.), Sara Foresti, Sushil Jajodia (eds.)

This ebook constitutes the complaints of the twenty fourth Annual IFIP WG 11.3 operating convention on information and functions protection, held in Rome Italy in June 2010. The 18 complete and eleven brief papers offered during this quantity have been rigorously reviewed and chosen from sixty one submissions. the subjects coated are question and information privateness; info safety; entry regulate; facts confidentiality and question verification; coverage definition and enforcement; and belief and id management.

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Additional info for Data and Applications Security and Privacy XXIV: 24th Annual IFIP WG 11.3 Working Conference, Rome, Italy, June 21-23, 2010. Proceedings

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Similarly, although Fischer-Hubner’s task-based privacy-oriented access control model [23] is a useful contribution to the literature on access controls on personal data, our approach differs significantly, not least by focusing on a meta-model of access control from which an axiomatic base can be developed that allows for specific models and policies to be derived as particular instances. The work by Byun et al. [20] on Purpose-based Access Control is related to ours in that a formally well-defined framework for privacy protection is described.

We need to find a generic formulation to accommodate the various types of information. Second, we need to capture the explicit information in the internal nodes. That is, the most informative attribute is selected. 2 Overview of Our Approach We model the privacy quantification as a Non-Linear Programming (NLP) problem, in which P (SA | QI) for each QI and SA combination is represented by a variable. We formulate all the knowledge available to adversaries as linear and nonlinear equations (or inequalities) of these variables.

The careful reader will have noted that what we are defining is a general logic for a family of privacy-enhanced access control models that may be derived from MP . , times) in the relations from our core set, to allow for specific requirements to be met. On this point, it is important to note that, for our definition of PAR, existential quantification on purposes is important; rather than having a purpose sort as part of the definition of authorization, as in the case of purpose-based access control as that term is interpreted in [20], we treat purpose existentially.

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