Enforcing Obligation with Security Monitors

Authors:
Carlos Ribeiro;Andre Zuquete;Paulo Ferreira
Affiliations:
-;-;-
Venue:
ICICS '01 Proceedings of the Third International Conference on Information and Communications Security
Year:
2001

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Abstract

With the ubiquitous deployment of large scale networks, more and more complex human interactions are supported by computer applications. This poses new challenges on the expressiveness of security policy design systems, often requiring the use of new security paradigms. In this paper we identify a restricted type of obligation which is useful to express new security policies. This type of obligation includes the following general situations: i) when two or more actions oblige each other, i.e. if one action is executed the others must also be executed and reciprocally, and ii) when an action obliges another and the obligatory action is causally dependent on the first action.