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2010 IEEE Symposium on Security and Privacy
Reconciling Belief and Vulnerability in Information Flow
Berkeley, California, USA
May 16-May 19
ISBN: 978-0-7695-4035-1
Belief and vulnerability have been proposed recently to quantify information flow in security systems. Both concepts stand as alternatives to the traditional approaches founded on Shannon entropy and mutual information, which were shown to provide inadequate security guarantees. In this paper we unify the two concepts in one model so as to cope with (potentially inaccurate) attackers' extra knowledge. To this end we propose a new metric based on vulnerability that takes into account the adversary's beliefs.
Index Terms:
Security, information hiding, information flow, quantitative and probabilistic models, uncertainty, accuracy, data confidentiality, belief, vulnerability
Citation:
Sardaouna Hamadou, Vladimiro Sassone, Catuscia Palamidessi, "Reconciling Belief and Vulnerability in Information Flow," sp, pp.79-92, 2010 IEEE Symposium on Security and Privacy, 2010
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