Post #4094305
2026-07-25 18:19 UTC
@dcuthbert@defcon.social I was talking to someone who was seriously trying to disconnect their car. They found the system unplugged the lead to the antenna and thought they were done.
It turns out even with the antenna unplugged if the car got too close to a cell site sometimes it would still synchronize.
Replies (2)
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@dcuthbert@defcon.social 2026-07-25 18:20
@thedarktangent@defcon.social oh it’s wild. We’ve almost got to the point where you need to do a physical assessment of the cars telemetry systems in order to block them, or at least find out where the hell they are at first That or we need an EDR or WAF for the cars. Heaven help us all
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@RoganDawes@infosec.exchange 2026-07-25 19:24
@thedarktangent@defcon.social @dcuthbert@defcon.social sounds like they need to replace the antenna with an attenuator, rather than just leaving it disconnected.