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Dual code authentication system

  • US 9,553,864 B2
  • Filed: 02/27/2015
  • Issued: 01/24/2017
  • Est. Priority Date: 11/29/2011
  • Status: Active Grant
First Claim
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1. A method for verifying a user who is interacting with a website, the method performed by a processor executing instructions stored in a memory, the method comprising:

  • receiving, from the user via the website, a request to access certain functionality of the website;

    performing a first stage of a user verification, wherein the first stage of the user verification includes;

    transmitting a first verification code to the user via the website;

    receiving a first verification message from the user via an application on a mobile communication device, wherein the first verification message includes at least a second verification code; and

    comparing the first verification code and the second verification code; and

    when the first verification code matches the second verification code, performing a second stage of the user verification, wherein the second stage of the user verification includes;

    deriving, from the received first verification message, addressing information associated with the mobile communication device of the user from which the first verification message is received;

    transmitting a second verification message via the application on the mobile communication device using the addressing information associated with the mobile communication device of the user, wherein the second verification message includes at least a third verification code;

    receiving, from the user, a fourth verification code; and

    comparing the third verification code and the fourth verification code; and

    verifying the user when the third verification code matches the fourth verification code.

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