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Context Sensitive Dynamic Authentication in A Cryptographic System

  • US 20110004933A1
  • Filed: 09/09/2010
  • Published: 01/06/2011
  • Est. Priority Date: 09/20/1999
  • Status: Active Grant
First Claim
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1. A method of performing graded authentication of a user wherein the method obtains and evaluates circumstantial data associated with an authentication attempt, the method comprising:

  • obtaining user data from a user during an authentication attempt;

    obtaining circumstantial data associated with the authentication attempt; and

    determining a level of trust associated with the authentication attempt based on the comparison of the circumstantial data with previously stored data.

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