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The NMFTA’s Vehicle Cybersecurity Requirements Woking Group (VCRWG), comprised of fleets, OEMs and cybersecurity experts, has worked the past few years to produce security requirements for Vehicle Network Gateways. Vehicle Network Gateways play an important role in vehicle cybersecurity – they are the component responsible for assuring vehicle network operations in the presence of untrustworthy devices on the aftermarket or diagnostics connectors. This paper offers security requirements for these gateways in design, implementation and operation. The requirements are specified at levels of abstraction applicable to all vehicle networks down to CAN networks specifically. These requirements were captured using the https://github.com/strictdoc-project/strictdoc requirements management tool and will be made available also as a ReqIF format along with the paper at https://github.com/nmfta-repo/vcr-experiment.

A new in-vehicle communication concept for CAN networks has been developed, taking into account recent findings from real-time research. The concept is characterized by three impo features: (i) Ability to guarantee the real-time performance of the network already at the design stage, thus significantly reducing the need for testing; (ii) Built-in flexibility enabling the vehicle manufacturer to upgrade the network in the pre-production phase of a project as well as in the aftermarket; (iii) Low use of available resources, thus saving cost compared to other solutions. The concept is successfully used in all larger Volvo cars from model year 1999.