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Using social information for authenticating a user session

  • US 8,910,251 B2
  • Filed: 03/06/2009
  • Issued: 12/09/2014
  • Est. Priority Date: 03/06/2009
  • Status: Active Grant
First Claim
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1. A computer implemented method comprising:

  • maintaining user profiles for a plurality of users of a social networking system;

    maintaining a plurality of connections between the users of the social networking system;

    receiving a request from a requestor for access to a computing resource, wherein the request is associated with a user of the social networking system;

    selecting, for forming a challenge question, another user of the social networking system from a plurality of other users connected to the user via the social networking system, the selection based on a rate of interactions between the user and the other user;

    obtaining information from a user profile of the other user;

    determining whether the request is received from a suspicious source;

    determining difficulty level of the challenge question based on whether the source is suspicious;

    forming the challenge question according to the determined difficulty level, by a processor, wherein an answer to the challenge question comprises information obtained from the user profile of the other user;

    sending the challenge question to the requestor; and

    responsive to receiving a correct answer to the challenge question, allowing the requested access.

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