Computer and Information Security Handbook

Chapter 41

Reputation Management

Dr. Jean-Marc Seigneur, University of Geneva

Reputation management is a rather new field in the realm of computer security, mainly due to the fact that computers and software are more and more involved in open networks. In these open networks, any encountered users may become part of the user base and associated interactions, even if there is no a priori information about those new users. The greater openness of these networks implies greater uncertainty regarding the outcomes of these interactions. Traditional security mechanisms, for example, access control lists, working under the assumption that there is a priori information about who is allowed to do what, fail in these open situations.

Reputation management ...