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Context-dependent authentication system, method and device

  • US 9,619,852 B2
  • Filed: 07/22/2014
  • Issued: 04/11/2017
  • Est. Priority Date: 04/17/2012
  • Status: Active Grant
First Claim
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1. A mobile device coupled to a communications network for authenticating a user comprising:

  • a user interface,a first sensor and a second sensor, anda transaction authentication information unit, said transaction authentication information unit operating an authentication workflow comprising an a user specific authentication context and an explicit authentication task,said user specific authentication context based on a plurality of user specific information,said transaction authentication information unit receiving a first data set from said first sensor associated with a first user specific authentication context,said transaction authentication information unit receiving a second data set from said second sensor, said second data set associated with a second user specific authentication context, andsaid transaction authentication information unit dynamically calculating a weighting for said first data set and said second data set and based on said weighting, said first data set, and said second data set, determining a correlation between said first data set and said second data set, said weighting being adapted based on said first data set or said second data set, said transaction authentication information unit based on said correlation authenticating said user, wherein if said correlation is less than a threshold, the authentication is unsuccessful and the transaction authentication information unit initiates said explicit authentication task.

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