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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Cost-Aware Runtime Enforcement of Security Policies
verfasst von : Peter Drábik, Fabio Martinelli, Charles Morisset
Erschienen in: Security and Trust Management
Verlag: Springer Berlin Heidelberg
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In runtime enforcement of security policies, the classic requirements on monitors in order to enforce a security policy are soundness and transparency. However, there are many monitors that successfully pass this specification but they differ in complexity of both their implementation and the output they produce. In order to distinguish and compare these monitors we propose to associate cost with enforcement.
We present a framework where the cost of enforcement of a trace is determined by the cost of operations the monitor uses to edit the trace. We explore cost-based order relations on sound monitors. We investigate cost-optimality of monitors which allows considering the most cost-efficient monitors that soundly enforce a property.