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Multifactor authentication with changing unique values

  • US 20100153451A1
  • Filed: 12/16/2008
  • Published: 06/17/2010
  • Est. Priority Date: 12/16/2008
  • Status: Active Grant
First Claim
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1. A method for multifactor authentication having changing unique values, comprising the steps of:

  • maintaining an access history database of transactions made by a user;

    maintaining a client device history log on an input device;

    receiving a request for a transaction from the input device;

    causing the input device to select a subset from the client device history log;

    sending the subset along with the request to an authentication server;

    comparing the subset to the access history database;

    proceeding with the transaction when a match is found between the subset and the access history database; and

    terminating the transaction when no match is found between the subset and the access history database.

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