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IH
1998
Springer
14 years 29 days ago
An Information-Theoretic Model for Steganography
An information-theoretic model for steganography with passive adversaries is proposed. The adversary's task of distinguishing between an innocent cover message C and a modi e...
Christian Cachin
EUROPLOP
2006
13 years 10 months ago
Securing the Broker Pattern
We consider how to add security to the Broker distribution pattern. We do so by examining how systems using Broker are secured in practice, and by then revising the pattern to ref...
Patrick Morrison, Eduardo B. Fernandez
OTM
2004
Springer
14 years 2 months ago
Engineering an Ontology of Financial Securities Fraud
Abstract. This paper discusses the approach of ontology-based knowledge engineering in FF POIROT, a project to explore the use of ontology technology in information systems against...
Gang Zhao, John Kingston, Koen Kerremans, Frederic...
MMMACNS
2001
Springer
14 years 1 months ago
The Set and Function Approach to Modeling Authorization in Distributed Systems
Abstract. We present a new model that provides clear and precise semantics for authorization. The semantics is independent from underling security mechanisms and is separate from i...
Tatyana Ryutov, B. Clifford Neuman
CSFW
2011
IEEE
12 years 8 months ago
Dynamic Enforcement of Knowledge-Based Security Policies
—This paper explores the idea of knowledge-based security policies, which are used to decide whether to answer queries over secret data based on an estimation of the querier’s ...
Piotr Mardziel, Stephen Magill, Michael Hicks, Mud...