DISSN: A Dynamic Intrusion Detection System for Shared Sensor Networks

Recent years we have witnessed the emergence of Shared Sensor Networks (SSNs) as a core component of cyber-physical systems for diverse applications. As Wireless Sensor and Actuator Networks (WSANs) design starts shifting from application-specific platforms to shared system infrastructures, a new but pressing research challenge is security. In scenarios involving unprotected hostile outdoor areas, SSNs are prone to different types of attack which can compromise reliability, integrity and availability of the sensor data traffic and sensor lifetime as well. In this work we propose a dynamic resilient security framework to be applied in the shared sensor network context. Its basic feature is the nodes neighborhood monitoring and collaboration (through the use of the byzantine algorithm) to identify an attack and enhance security. The work was experimentally evaluated in order to demonstrate the efficiency of the proposed solution.