Titlebook: Data and Applications Security and Privacy XXVIII; 28th Annual IFIP WG Vijay Atluri,Günther Pernul Conference proceedings 2014 IFIP Intern

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Lecture Notes in Computer Science database transactions. We argue that our approach represents a major leap forward w.r.t. previous work because: i) it significantly decreases the False Positive Rate (FPR) while keeping the Detection Rate (DR) high; on our experimental dataset, consisting of millions of real enterprise transactions

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Computer Security – ESORICS 2021ns can result in policies by which a user can acquire permissions that may compromise some security goals. In particular, we are interested in sequences of safety problems generated by modifications (namely, adding/deleting an element to/from the set of possible actions) to an ARBAC policy accommoda

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Peter Schwabe,Douglas Stebila,Thom Wiggersms have potential to significantly reduce the cost of migration to ABAC, by partially automating the development of an ABAC policy from information about the existing access-control policy and attribute data. This paper presents an algorithm for mining ABAC policies from operation logs and attribute

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Lecture Notes in Computer Sciencethorization policies are typically specified in terms of relationships of certain types and/or depth between the access requester and the target. However, using relationships alone is often not sufficient to enforce various security and privacy requirements that meet the expectation fromtoday’sOSN u

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Optimizing Integrity Checks for Join Queries in the Cloud,ence, just relying on the storage and computational power offered by external providers. Also, users can enjoy a diversity and variety of offers, with the possibility of choosing services by different providers as they best suit their needs. With the growth of the market, economic factors have becom

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Privacy-Preserving Multiple Keyword Search on Outsourced Data in the Clouds, by her and the keywords contained in the documents. We propose two progressively refined privacy-preserving conjunctive symmetric searchable encryption (PCSSE) schemes that allow cloud servers to perform conjunctive keyword searches on encrypted documents with different privacy assurances. Our sche

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