Patent ID: 9479497
Filing Date: 2016-10-25
CPC Classification: G06F,H04L

Claim Text:
1. A system comprising: a receiver of an authentication server to receive a request from a site with which a user wants to perform an operation, the request identifying the user and requesting a first one time password (OTP) token value associated with the user; a transmitter of the authentication server to transmit the first OTP token value to the site in response to the request, the site to present the first OTP token value in a user interface to a device of the user along with instructions for the user to obtain a version of the first OTP token value using an OTP token device; the receiver of the authentication server further to receive a version of a second OTP token value from the site, the version of the second OTP token value received by the site from the user in response to the user verifying the first OTP token value presented in the user interface along with the instructions matches a version of the first OTP token value obtained by the user from an OTP token device; and a comparator comprising a hardware processor to verify the version of the second OTP token value received by the authentication server from the site matches a second OTP token value generated by the authentication server; the transmitter to transmit an indication to the site that the site and the user are authenticated and a transaction is performable between the site and the user in response to the version of the second OTP token value being verified.