Cybersecurity Throughout Vehicle Lifecycle | ISO/SAE 21434 and WP.29 CSMS


Ensuring vehicle cybersecurity across its lifecycle is required both by the WP.29 regulation and by the ISO/SAE standard. And doing that is actually a challenging task because it requires multiple players to collaborate across the vehicles’ lifetime, which is very long, and could be between 10 and 15 years.

So how do you do that?
Well, from our experience, there are a few methods that can help achieve this goal.

First is security by design: So, when you develop the vehicle, you need to apply TARA and have a secure development process, but you also need to make sure that meaningful telemetry is emitted, that will enable later detection in post-production, of existing and new cyber attacks. And, you also need to apply cybersecurity management on your supply chain.

Additionally, you need to have a centralized detection system for post-production. Such a detection system can collect logs from vehicles, communication channels, and backend systems, and this way, enables strong detection for a wide range of threats as listed in Annex 5 of the WP.29 regulation. And lastly, you need to have an automotive-specific threat feed.

Such a threat feed should be used by the OEM, the service providers, and the supply chain. And this can supply a good source of threats related to the vehicle and to the mobility service that can help the OEM, connectivity service provider, and the supply chain to create meaningful mitigations within a short period of time.

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