ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,423,393, issued on Sept. 23, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Multi-factor captcha with adjunct signals" was invented by Trudy L. Hewitt (Cary, N.C.), Carolina Garcia Delgado (Zapopan, Mexico), Jeremy R. Fox (Georgetown, Texas) and Mauro Marzorati (Lutz, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An approach for improving completely automated public turing test to tell computers and humans apart (CAPTCHA) reliability for a resource. The approach receives a request for a CAPTCHA validation from a user. The approach retrieves a CAPTCHA analysis configuration associated with the user. The approach displays a ...