10. Security Issues in Vehicular Ad Hoc Networks for Evolution Towards Internet of Vehicles

This chapter elaborates on the security issues of vehicular communication as a need for future evolution of Vehicular Ad Hoc NETworks (VANET) towards the Internet of Vehicles (IoV). The communication between connected vehicles is a potential issue of concern with respect to road safety, detecting traffic accidents, etc. in vehicular Ad Hoc network. In the Internet of Vehicles paradigm, each vehicle is equipped with a powerful multi-sensor platform, communication technologies, computation units, IP-based connectivity to the Internet and to other vehicles for enabling communication between connected vehicles as well as between vehicles and roads. Such communication must be protected from unauthorized message injection and message alteration. Hence a robust security solution for such networks must facilitate authentication verification of vehicles and integrity verification of the disseminated messages. In the first part of this chapter, a lightweight scheme for identification, authentication, and tracking of vehicles in hierarchical vehicular Ad Hoc network is elaborated. In the second part, a low overhead digital watermark-based vehicle revocation scheme to identify and revoke attackers of disseminated message is discussed. The combination of these two schemes ensures secure inter vehicle communication in vehicular Ad Hoc networks.