Along with the automobile industry development direction to intelligent, network, and sharing, with the future of the emergence of unmanned vehicles, the vehicle information security incidents, protection of vehicular network security vulnerabilities will lead to more attention. Neusoft through the security incident, car factory needs, experience summary, protected from external interface, isolation network, network protection, protection of four levels to realize the vehicle security, the four layer of defense system has been recognized by the industry and in practice by certification. Finally, it has formed its own security product and security solution for Telematics