I think what people are missing here is an understanding of how these systems are tested and deployed at scale. While I have no involvement with Tesla I do have first-hand knowledge of similar programs at tier 1 automotive suppliers. The suppliers provide (or are looking to provide) an electronics suite to car manufacturers. The car manufacturers want the system to be safe lest they be sued out of existence. One part…
Does anybody make an antenna-level middle box for GSM phones? Something you hook into the antenna cable as a firewall/monitor?