ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,835, issued on April 21, was assigned to ABB Schweiz AG (Baden, Switzerland).
"Applying changeset with improved cyber security" was invented by Pekka Jarvinen (Stockholm), Tapio Loponen (Helsinki) and Mika Hiltunen (Helsinki).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes receiving, by an industrial automation device, a first changeset with a first digital signature generated using a private key, wherein the first changeset includes a data package for modifying a configuration or a state of the industrial automation device; verifying, by the industrial automation device, the first digital signature of the first changeset based on a...