ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,999, issued on Nov. 4, was assigned to Zscaler Inc. (San Jose, Calif.).

"System and method for device health check and monitoring using a security appliance as a default gateway with point-to-point links between endpoints" was invented by Rajesh S. Tiwari (San Ramon, Calif.), Satish M. Mohan (San Jose, Calif.), Ritesh R. Agrawal (San Jose, Calif.) and Vinay Adavi (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A technique to monitor device health of endpoints in a VLAN is disclosed. A security appliance is set as the default gateway for intra-LAN communication. Message traffic is analyzed and anomalies are detected relative to norma...