mulkman

Half Keyless Entry Fiesta (susceptible to relay attack)

Recommended Posts

Hi 

I have just purchased a 2017 Ford Fiesta Titanium (New Shape) 67 plate version with keyless start (not fully keyless).

Is my keyfob still susceptible to relay attack as I still have to press the unlock button on remote to unlock/lock doors to gain entry?

If a intruder does capture the signal from my keyfob he will only be able to start the engine and not unlock the doors?

Please can someone clarify would greatly appreciate it. 

Thanks 

 

Share this post


Link to post
Share on other sites
9 minutes ago, mulkman said:

If a intruder does capture the signal from my keyfob he will only be able to start the engine and not unlock the doors?

Yes, that's correct. 

Although if they hang around by your car, it is possible for them to capture the unlock signal when you press the button, although a lot less likely!

Share this post


Link to post
Share on other sites

They'd have to break in, but then could use relay to shut the alarm up and start the car, or hack the car via OBD.

So it's not susceptible to the silent theft of relaying the signal to unlock the doors and then start, but there are still potential vulnerabilities, however it's likely the alarm would be going off.

Share this post


Link to post
Share on other sites

Thanks to both of you for your responses.

I will definitely be getting a Faraday bag to be on the safe side and routinely test it within the car to ensure its keeping me protected.

Ford will be offering an upgrade via dealer soon for their new sleeping key-fobs - https://www.autoexpress.co.uk/ford/106556/ford-launches-new-keyless-fob-to-combat-relay-attacks 

Would like to know the price but think its pointless because if you have the key in your pocket your still moving to its still active to capture.

 

Share this post


Link to post
Share on other sites

Don't know if it ever actually deterred anybody, but on the Mk 8 of course, there's no flashing light anymore to indicate if the alarm is armed.

I keep my keys in a metal container upstairs when not in use and have reverted to using an old-fashioned mechanical lock as well. Progress, eh?😀

Share this post


Link to post
Share on other sites
5 hours ago, mulkman said:

Thanks to both of you for your responses.

I will definitely be getting a Faraday bag to be on the safe side and routinely test it within the car to ensure its keeping me protected.

Ford will be offering an upgrade via dealer soon for their new sleeping key-fobs - https://www.autoexpress.co.uk/ford/106556/ford-launches-new-keyless-fob-to-combat-relay-attacks 

Would like to know the price but think its pointless because if you have the key in your pocket your still moving to its still active to capture.

 

If your car is not keyless entry there's no need for that fob, your fob only transmits a signal to open the door when you press the button, a keyless fob transmits all the time so the car can pick up the signal as you get near it, that's the signal the thief is boosting.

Share this post


Link to post
Share on other sites
41 minutes ago, MarksST said:

If your car is not keyless entry there's no need for that fob, your fob only transmits a signal to open the door when you press the button, a keyless fob transmits all the time so the car can pick up the signal as you get near it, that's the signal the thief is boosting.

 

They have keyless start, it is the same key used for keyless entry and will be broadcasting all the time, if it's not one of the new sleepy keys.

The only difference is that the car doesn't have the necessary hardware/config to unlock from the keyless key, however a relay could still be used to start the car if they gain entry.

Share this post


Link to post
Share on other sites

Get a basic metal key cabinet.
They screen key signals pretty well (tested mine with a 433Mhz key signal checker).
The only way they would get my car is to physically get the key from the locked box and that's covered by cctv, a control room linked house alarm and 3 very bitey Police Dogs .

Sent from my SM-G965F using Tapatalk

Share this post


Link to post
Share on other sites

think yours is the same as my 6 month old st3 and is suseptable to relay attack. you can now get your key upgraded so it goes into sleep mode after 20 seconds, but they will charge you approx. £140 to do both keys. I bought myself a disclok and keep keys in metal box and in safe

Share this post


Link to post
Share on other sites

It does make me laugh that "progress" has resulted in us ressurecting old tech.  I haven't used a crooklok since the early 90s.

Share this post


Link to post
Share on other sites

I presume that the Mk7 ST Fiesta doesn't have this option?

Although I don't use any key case/bag, my key is usually located well away from an exterior wall where any scanner would be used and, like @Stoney871, we've got a lot of dogs around the house including one rather shouty Doberman who enjoys a challenge :laughing:.

Share this post


Link to post
Share on other sites

I'm pretty sure the motion key is only compatible with cars post 2018.

Sent from my SM-G965F using Tapatalk

Share this post


Link to post
Share on other sites
7 hours ago, Stoney871 said:

I'm pretty sure the motion key is only compatible with cars post 2018.

Sent from my SM-G965F using Tapatalk
 

That’s what I’d read also. 

Share this post


Link to post
Share on other sites

I can have my car upgraded to them, but it's like £150 per key, they have to re-program the BCM iirc.

So I'll stick with an old tin. 😅

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.