关键词: 车联网；网络安全；安全防护；风险评估；态势感知

Abstract: The Internet of vehicles is an important application field where industrialization and informatization are integrated. The internet of vehicle and vehicle-people-road-cloud platform is achieved through a new generation of wireless communication technology. It is the key basis for the realization of intelligent cognition and autopilot. Driven by market demand and the guidance of national policies, Internet of vehicles industry has entered a stage of rapid development and application landing. The cyber attacks facing the Internet of vehicles are gradually shifting from single point to platformization, the problem of many network security vulnerabilities and insufficient security protection capabilities has become increasingly prominent. This paper is based on the analysis of the composition of the Internet of vehicles network. It summarizes the security problems faced by the components of the Internet of vehicles network architecture and proposes five major protection objects for the security of the Internet of vehicles network. It proposes how to build a security assurance system for the Internet of vehicles network from the perspective of combining safety protection and safety management.

Key words: Internet of vehicles; Cyber security; Safety protection; Risk assessment; Situation awareness