ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,728, issued on Oct. 7, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Message authentication system including a network device having security proxy support" was invented by Markus Jochim (Troy, Mich.), Thomas M. Forest (Macomb, Mich.) and Mohamed A. Layouni (Fraser, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A message authentication system for a network includes a private communication system including one or more private nodes in electronic communication with one another, a public communication system including one or more public nodes in electronic communication with one another, and a security proxy device that electron...