Design And Research Of Vehicle Mounted Terminal Security Monitoring System

In recent years,the development of the smart car industry has been very rapid,traditional car manufacturers have begun to vigorously develop the smart car industry,in addition to a large number of new generation of smart car manufacturers,while a large number of Internet companies have also begun to use their own advantages to enter the smart car industry.At this stage,vehicle monitoring platforms have become mature,mainly through the collection of vehicle’s driving data,monitoring center will aggregate these driving data.The administrator has real-time access to the vehicle’s driving status and the driver’s driving behaviour through the monitoring center.However,current monitoring platforms do not pay enough attention to the cyber security status of the vehicle,which can be directly linked to the safety of the driver.This thesis focuses on the security of in-vehicle terminal systems,taking in-vehicle terminal security as the entry point,focusing on security data collection,attack behaviour detection,security emergency response,remote monitoring and platform design in the vehicle network environment,and finally realising a security monitoring platform for invehicle terminals.Based on the client-server service architecture,this thesis designs a security monitoring platform for vehicle terminals based on security probes;at the same time,this paper makes a clear division of vehicle security data,and designs the data collection methods for each kind of security data in detail,and integrates all the collection methods into a unified data collection tool;And designs a two-stage data analysis method for the collected data;for the occurred attacks,emergency response processes is designed.The main innovations of this paper are listed in the below: designing a system that separates arithmetic power and control,avoiding the problem of wasted or overloaded server resources;proposing a three-layer model for security data,defining specific data items for security data,avoiding the problem of too much data being collected or missing key data due to the excessive amount of data generated during the operation of the system;proposing a two-stage analysis for the vehicle according to the characteristics of security data;According to the characteristics of safety data,a two-stage analysis approach is proposed for the vehicle safety data model.This thesis designs and implements an in-vehicle terminal security monitoring system that can be applied to in-vehicle terminal security monitoring in a multi-vehicle environment,as well as assisting administrators in taking action against attacks occurring in smart vehicles.The system has acquisition,detection and response capabilities.The system defines the scope of safety data collection,and collects data from the operating system level of the vehicle terminal,and collects data from the vehicle CAN network by listening bypasses.The system’s analysis engine uses a two-stage analysis approach based on the type and characteristics of the data.The system is able to help administrators with remote emergency response when attack happens.This thesis provides a detailed design and implementation of a security monitoring platform for smart cars,which is a reference for the subsequent development of a security monitoring platform for smart cars.