Secure Sensor Networks for Critical Infrastructure Protection

Wireless Sensor Networks raise the interest of different business domains, including public security. The ability of Wireless Sensor Networks to monitor and control physical environments such as football stadiums makes them very attractive. The integration of Wireless Sensor Networks into Command and Control (C2) systems aims at avoiding catastrophes such as the Heysel Stadium disaster. In this paper, the architecture and implementation of a prototype for stadium surveillance is presented. We demonstrate the notification of alerts processed on sensor nodes and routed toward a Command and Control system. The prototype aims at increasing situational awareness of decision makers and at providing real time information related to the occurrence of incidents within the stadium. Decision makers can react accordingly by assigning available first responders to the incidents. Such integration comes along with security requirements; the use of encryption-based access control and trustworthiness evaluation for the generated alerts is therefore proposed to ensure their confidentiality and reliability. In this paper, we demonstrate the integration of a wireless sensor into a real Command and Control system, and the security requirements raised by such integration.