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Securing Vehicular Networks Against Congestion Attacks Using Smart Defense Mechanisms

Vehicular networks have a diverse range of applications that vary from safety, to traffic management and comfort. Security is an important aspect of communications and it is essential that secure communication protocols meet the performance requirements of these applications. Vehicular communications (VC) can assist in eco-routing of vehicles in order to reduce overall mileage and CO2 emissions by the exchange of data among entities. The trustworthiness of this information is crucial as false data heavily affects applications. In this article we investigate how tweaked information originating from malicious nodes can affect the performance of a real time eco routing mechanism that uses DSRC communications (ErouVe). We also develop and evaluate defense mechanisms that exploit vehicular communications in order to filter out tweaked data. We prove that our proposed mechanisms can restore the performance of the ErouVe to near its optimal operation and can be used as a basis for protecting other similar traffic management systems.