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Systems and methods to authenticate users and/or control access made by users on a computer network using a graph score

  • US 10,250,583 B2
  • Filed: 03/20/2017
  • Issued: 04/02/2019
  • Est. Priority Date: 10/17/2016
  • Status: Active Grant
First Claim
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1. A controller for user authentication and access control, the controller comprising:

  • at least one microprocessor;

    a network interface controlled by the at least one microprocessor to communicate over a computer network with at least one computing site; and

    memory coupled with the at least one microprocessor and storing;

    graph data representing a graph having nodes and links;

    wherein the nodes of the graph represent data elements associated with accesses made using access tokens, andwherein the links of the graph among the nodes of the graph represent connections between the data elements identified in collected data about the accesses;

    instructions which, when executed by the at least one microprocessor, cause the controller to;

    receive, from the computing site, input data specifying details of an access made using an access token;

    update the graph according to the input data;

    determine a plurality of measurements of the graph;

    compute a score of the graph based on a weighted average of the measurements; and

    process the access made using the access token based on the score.

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