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Personalized inferred authentication for virtual assistance

  • US 10,187,394 B2
  • Filed: 03/31/2016
  • Issued: 01/22/2019
  • Est. Priority Date: 03/31/2016
  • Status: Active Grant
First Claim
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1. A computing device comprising a computer memory and a computer processor that is configured to allow a personal digital assistant to control access to secure computing resources based on a measure of legitimacy for a current user, the computing device comprising:

  • the personal digital assistant that is a computer program stored on the computer memory having computer instructions that when executed by the computer processor cause the personal digital assistant to;

    monitor ongoing user-related activity for a user associated with a current user-session on the computing device;

    determine an authentication confidence score for the user associated with the current user-session on the computing device, the authentication confidence score determined based on a comparison of information from the monitored ongoing user-related activity and a persona model corresponding to a legitimate user associated with the computing device, wherein the persona model comprises activity patterns of the legitimate user, and wherein the authentication confidence score is determined from the monitored ongoing user-related activity and the persona model by an application or service to be used when the current user attempts to access secure data, applications, or services;

    receive an indication of a request to access a first secure computing resource from a set of secure computing resources;

    if the determined authentication confidence score indicates the current user is likely the legitimate user, then granting access to the first secure computing resource; and

    if the determined authentication confidence score does not indicate that the current user is likely to be the legitimate user, then restricting access to the set of secure computing resources,wherein the persona model is determined from user-related activity information of the legitimate user.

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