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A Bypass of Cohen's Impossibility Result

Jan Bergstra, Alban Ponse
Advances in Grid Computing - EGC 2005, LNCS 3470, pages 1097-1106. Springer-Verlag, 2005
ISBN 3-540-26918-5

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Detecting illegal resource access in the setting of network communication or grid computing is similar to the problem of virus detection as put forward by Fred Cohen in 1984. We disucuss Cohen's impossibility result on virus detection, and introduce "risk assessment of security hazards", a notion that is decidable for a large class of program behaviors.

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