ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,238,089, issued on Feb. 25, was assigned to Ford Global Technologies LLC (Dearborn, Mich.).

"Vehicle network security" was invented by Venkata Maruthe Ravikumara Sharma Chengalvala (Troy, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In response to detecting a trigger event a computer in a vehicle such as a gateway device can retrieve a static identifier of an electronic control unit (ECU) via a vehicle network. The vehicle in the computer can then receive, in response to a request to a server computer, a salt string, and generate a temporary ECU identifier for the ECU based on the salt string and the static identifier. The temporary ECU identifi...