Since July 6, a technology dedicated to controlling a vehicle’s speed – Intelligent Speed ​​Assist (ISA) – has become a mandatory requirement for all new car models introduced to the European market. It will also become mandatory for all new cars sold from July 2024. The system is supposed to not only warn the driver of speed limits but also control their speed (car manufacturers will be free to decide which functions to include), which raises the question of its protection against cyber risks more than relevant.

The cybersecurity of connected cars continues to be tested by attackers and researchers, including a new vulnerability recently discovered in Tesla and a new study on automotive application security.

Cybersecurity risks for ISA may arise if it is connected to external systems outside the car, for example, to an external cloud that uploads speed limit data, or via any other electronic control unit of the vehicle. Depending on the electrical/electronic (E/E) architecture, attackers can access systems through external communication channels or by using a chain of vulnerabilities in other electronic control units connected to a public network.

Fortunately, there is now a need for these systems to be developed with cybersecurity in mind. ISA falls under both the requirements of ISO 262626, which regulates functional safety at the software level, and general automotive industry cybersecurity standards with mandatory certification, including UNECE UN R155, R156 and ISO21434. . According to these requirements, a risk assessment must be carried out and the vehicle systems must be secured by design, ie security mechanisms must be implemented at the development stage. From July 2024, the sale of new vehicles without cybersecurity certification will be banned in the EU, making cybersecurity an integral part of the automotive industry. A security platform dedicated to the development of electronic units can help car manufacturers meet these requirements

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