4 + 1 Automotive Security
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Secure Interfaces
A vehicle’s communication interfaces connect the car and its occupants to the outside world. These channels need to be protected against data theft. Our Secure Interfaces layer encrypts data to protect against theft or manipulation. It also uses strong machine-to-machine authentication to ensure that any received content is safe.
Secure Network
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While segmenting the network into different domains reduces the vehicle’s attack surface, the individual sub-networks are still vulnerable. Our Secure Networks layer protects each sub-domain by adding message authentication and encrypting data. It also provides intrusion detection for anomalies in traffic and validation.
Secure Gateway
Our Secure Gateway layer acts as a firewall to control access between the network and a connected car. It handles domain isolation—deciding which nodes can legitimately communicate with other nodes and converting the different automotive communication protocols. It also separates external interfaces (such as infotainment) from the safety-critical inner vehicle network.
Secure Processors
ECUs continuously generate, process, exchange, and store large amounts of potentially sensitive data—making them an attractive target for hackers. Our Secure Processors layer (based on NXP’s broad portfolio of automotive microcontrollers and processors) offers firmware protection and provisioning updates.
Secure Car Access
Our “+1” layer for Secure Car Access provides traditional physical vehicle protection through anti-theft immobilizer and smart car access functions. Innovations in this area include new features like remote lock & unlock, passive start, remote vehicle monitoring, and car access using a smart phone or smartkey device.
