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We describe a security model we refer to as the probabilistic multilateral security model (P-MLSM). The P-MLSM is designed to analyze security issues in ubiquitous multimedia services, envisioned to be flexible digital systems built upon the global broadband network. There is interest on a broad range of security issues concerning such services. A comprehensive, flexible and reliable model that addresses these issues is greatly needed. The P-MLSM considers security as a multilateral mutual measure between different objectives, perspectives and knowledge concerning the system. We then describe a probabilistic nature of the P-MLSM. Lastly, via an example, we illustrate how various security related phenomena and design criteria can be analyzed using the model.
Date of Conference: 23-24 March 2004