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Un-password™: risk aware end-to-end multi-factor authentication via dynamic pairing

  • US 9,407,619 B2
  • Filed: 03/17/2014
  • Issued: 08/02/2016
  • Est. Priority Date: 03/17/2013
  • Status: Active Grant
First Claim
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1. A method for determining a dynamic pairing code for use in encrypting information communicated between a first and a second communications endpoint, the method comprising:

  • at the first communications endpoint;

    determining a first authentication score associated with a first information exchange session between the first and second communications endpoints;

    determining a second authentication score associated with a second information exchange session between the first and second communications endpoints, the second information exchange after the first information exchange;

    combining the first and second authentication scores to create a cumulative risk analysis score;

    responsive to the first authentication score, generating an encryption key for encrypting the cumulative risk analysis score, wherein the encryption key is known by the first and the second communications endpoints;

    encrypting the cumulative risk analysis score using the encryption key to generate a dynamic pairing code;

    encrypting information communicated between the first and second communications endpoints according to the dynamic pairing code; and

    modifying the cumulative risk analysis score responsive to the occurrence of invalid attempts by an intruder to effect information exchange between the first and the second communications endpoints.

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