Automotive
On the road to autonomous driving, make sure cybersecurity is on your route
By Todd Slack, business development, strategic & product marketing, automotive & commercial security IC’s, Microchip Technology T
he rapid development of autonomous cars means that we have reached level 3 of the six levels of Advanced Driving Assistance Systems (ADAS). Current models already offer drivers some hands-off and eyes-off driving features. Popular examples include: • Waymo (Google) • Super Cruise (GM) • AutoPilot (Tesla) • ProPILOT Assist (Nissan) • DISTRONIC PLUS (Mercedes-Benz) • Traffic Jam Assist (Audi) • Pilot Assist (Volvo)
Although increasing automation brings a lot of convenience for drivers, it also comes with the risk of cyberattacks. Modern cars are becoming “data centres on wheels”, meaning they face the same computer security concerns.
The next generation of connected vehicles
Cars are now connected like never before – connections include smartphones using Bluetooth to connect a phone call to the car’s speakers, cellular connections calling roadside assistance, using Wi-Fi for Over the Air (OTA) updates, or even plugging an EV into a commercial charger. All these connections offer an attack surface for cyber criminals.
Automotive designers need to consider how to reduce these security risks. Dozens of Electronic Control Units (ECUs) are now in each vehicle, collecting sensor data and making decisions. Designers need to add cybersecurity to the Functional Safety of each ECU. The best strategy to provide both safety
and cybersecurity in vehicles is to adopt a systems-level approach. If hackers can exploit security flaws, there is a risk that the safety of the driver could be compromised.
Automotive security market drivers With the large number of ECUs and CPUs in
today’s luxury cars, they can easily have up to 100 million lines of code. This makes vehicles highly dependent on software to sense, control and make decisions. Cyber- attacks against vehicles usually go through the wireless interfaces, such as Bluetooth, Wi-Fi and cellular. This is why it is vital to
Five levels for AV automation. 12 February 2022 Components in Electronics
www.cieonline.co.uk
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