ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,033, issued on March 17, was assigned to Zoom Communications Inc. (San Jose, Calif.).

"Enforcing a liveness requirement on an encrypted videoconference" was invented by Balachandar Ganesh Kesavan (New York) and Antonio Marcedone (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liveness requirement can be enforced on a videoconference by performing some techniques described herein. For example, a system can sequentially generate strings during a videoconference. The system can sequentially transmit the strings to a host device associated with a host of the videoconference. The system can receive a communication from the host device during ...