International Specifications Promote The Safe Network Of Vehicles 2021-01-12

With the development of vehicle information system and networking system, vehicle information security incidents are increasing year by year. According to the statistics of information security incidents disclosed by Upstream, there were 34 information security incidents in 2015, which increased to 79 in 2018 and 192 in 2019, an increase of 2.4 times compared with the previous year. 

The ISO/SAE 21434 vehicle safety management standard was jointly developed by the International Organization for Standardization (ISO) and SAE International to promote the automotive industry to pay attention to the issue of vehicle safety.

The potential attack pipeline of vehicle information security can be divided into wired communication, wireless communication, sensor and other interfaces.

In the wired communication terminal, the vehicle is equipped with the vehicle On-Board Diagnostics port and the USB connection port on the console. In the situation of vehicle security, hackers would invade the vehicle communication system, such as CAN Bus (Controller Area Network) and ECU (Electronic Control Unit), through communication channels such as OBD, to find out the available wireless communication path of the vehicle, and then they can invade other vehicles of the same type remotely.

With the development of automotive technology towards networking, electronics and automation, the wireless communication end of vehicles, such as satellite positioning, Bluetooth, Wi-Fi and NFC of vehicle information communication system, may be the way for hackers to invade. OTA (Over-the-Air Technology) developed in recent years may also become one of the ways for hackers to invade.

In sensors and other interfaces, such as cameras, radars and other environmental sensors used in ADAS (Advanced Driver Assistance Systems) and self-driving function, information can be judged by interfering with the operation of sensors and destroying the system; charging holes used for electric vehicle charging and various vehicle detectors, if illegal users change information in series, may become a breach of information security.

In order to prevent hackers from invading the vehicle system and causing accidents, the vehicle manufacturers should introduce the concept of security by design into the vehicle life cycle, design defense lines in the Vehicle Information Communication system, in Vehicle Network and ECU Gateway Design, and construct an in-depth information security protection mechanism.

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