ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,407,648, issued on Sept. 2, was assigned to Illumio Inc. (Sunnyvale, Calif.).

"Enforcing a segmentation policy in co-existence with a system firewall" was invented by Daniel Richard Cook (San Jose, Calif.), Anish Vinodkumar Desai (Palo Alto, Calif.) and Thomas Michael McCormick (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A segmentation firewall executing on a host enforces a segmentation policy. In a co-existence mode, the segmentation firewall operates in co-existence with a system firewall that enforces a security policy. The segmentation firewall is configured to either drop packets that do not match any permissive rule or pass p...