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Guest Message by DevFuse

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Key Fob Security Concern

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2 replies to this topic

#1 OFFLINE   blockisle9


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Posted 24 April 2017 - 07:21 AM

I've been reading about devices that can be used to steal cars by using boosters to access vulnerabilitys in the always on key fobs. I've been aware of stealing your code by standing close to you when you use the fob, but this seems new. Articles say to keep your fob in the refrigerator or in pouch designed to block your fobs signals.
Just wondering if Ford has addressed any of these issues.

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#2 OFFLINE   akirby


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Posted 24 April 2017 - 08:06 AM

I don't see this as a big concern.  It requires a team of sophisticated thieves.   It won't work at home.  It would only work away from home if they see you getting out of the vehicle and follow you - otherwise they won't know which car is yours.  I don't see this being practical for stealing regular vehicles.


I do see one way they can prevent this - by timing the responses.  Response time when you're within 3 ft should be much faster than a relayed signal from 30-40 feet or more.  And that could be retroft to older vehicles with just a module firmware change.  This assumes that there is a request/response mechanism and not just a one-way signal.

Edited by akirby, 24 April 2017 - 08:07 AM.

2018 F150 Supercab XLT Sport (Magnetic) - 3.5LEB
2016 Lincoln MKX Reserve (Luxe/Cappucino)

#3 OFFLINE   tbone


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Posted 24 April 2017 - 09:33 AM

I don't think you want to carry around a Faraday bag with you everywhere you go. I would venture to say this is a non issue for the vast majority of people.

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