ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,968, issued on Nov. 18, was assigned to QOMPLX LLC (Reston, Va.).

"Risk-based multi-factor authentication" was invented by Jason Crabtree (Vienna, Va.), Andrew Sellers (Monument, Colo.) and Ian MacLeod (Arlington, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for risk-based multi-factor authentication having a multi-dimensional time series data server configured to monitor and record a network's traffic data and to serve the traffic data to other modules and a directed computation graph module configured to receive network traffic data from the multi-dimensional time series data server, determine a network traffic baseline from the net...