Security threats scenarios in trust and reputation models for distributed systems |
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Authors: | Flix Gmez Gregorio Martínez |
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Affiliation: | aDepartamento de Ingeniería de la Información y las Comunicaciones, University of Murcia, 30.071 Murcia, Spain |
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Abstract: | Trust and reputation management over distributed systems has been proposed in the last few years as a novel and accurate way of dealing with some security deficiencies which are inherent to those environments. Thus, many models and theories have been developed in order to effective and accurately manage trust and reputation in those communities. Nevertheless, very few of them take into consideration all the possible security threats that can compromise the system. In this paper, we present some of the most important and critical security threats that could be applied in a trust and reputation scheme. We will describe and analyze each of those threats and propose some recommendations to face them when developing a new trust and reputation mechanism. We will also study how some trust and reputation models solve them. This work expects to be a reference guide when designing secure trust and reputation models. |
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Keywords: | Trust Reputation Security threats Distributed environments Threats taxonomy |
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