ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,847, issued on March 25, was assigned to Cisco Technology Inc. (San Jose, Calif.).

"Nonce-based enterprise security policy enforcement" was invented by Hendrikus G P Bosch (Aalsmeer, Netherlands), Jeffrey Michael Napper (Delft, Netherlands), Alessandro Duminuco (Milan), Sape Jurrien Mullender (Amsterdam), Julien Barbot (Villebon-sur-yvette, France) and Vinny Parla (North Hampton, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure describes techniques including, by a domain name service (DNS), receiving a name resolution request from a client computing device and, by the DNS, providing a nonce to the client computing device, wherein...