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Connected cars: boon or bane?

Posted: 29 Apr 2015     Print Version  Bookmark and Share

Keywords:connected car  connectivity  fuel efficiency  ADAS  AUTOSAR 

Operational security

Automakers are currently focused on developing security at given access points, and transmission security for anything going to and from a car.

What about operational security, though?

No matter how you tighten security at access points, "you'd have to assume that there will be security breaches that were not detected," said Juliussen.

The trouble is that you may not know your car might have been remotely hacked until it's too late.

Today, there is no intrusion detection system available for cars.

That's why "you need operational security that monitors messages flowing between ECUs on electronic buses to look for suspicious message behaviour and analyse such messages," explained Juliussen. Argus, for example, is "the main company that does this now as they have a product and software service to do such monitoring."

"Operational security is needed as soon as possible," said Juliussen, "but it's difficult to do with current CAN-based bus networking." As Ethernet is deployed, it would make sense to add operational security for safety critical systems, he added.

Obviously, operational security will be needed for autonomous driving systems and remote software updates of core auto ECUs.

The National Highway Traffic Safety Administration (NHTSA) is the most likely place to issue some kind of "guidelines for cyber security," Juliussen said. "Hopefully they will do so by 2016, 2017."

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