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USING SOCIAL GRAPHS TO COMBAT MALICIOUS ATTACKS

  • US 20120246720A1
  • Filed: 03/24/2011
  • Published: 09/27/2012
  • Est. Priority Date: 03/24/2011
  • Status: Active Grant
First Claim
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1. A method for classifying a user account, comprising:

  • constructing a directed graph of user accounts within a provider system, wherein a node of the directed graph is associated with the user account and an edge of the directed graph is determined by a direction of communications sent or received by the user account associated with the node;

    constructing an undirected graph of user accounts within a provider system, wherein a node of the undirected graph is associated with the user account and an edge of the undirected graph is determined by one of a social relationship and communication patterns of the user account associated with the node;

    determining a biggest connected component of the undirected graph; and

    classifying user accounts in the biggest connected component as a set of good users.

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