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METHOD, DEVICE, AND SYSTEM OF DIFFERENTIATING AMONG USERS BASED ON RESPONSES TO INJECTED INTERFERENCES

  • US 20150205955A1
  • Filed: 04/01/2015
  • Published: 07/23/2015
  • Est. Priority Date: 11/29/2010
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining whether a user, who utilizes a computing device to interact with a computerized service, is either an authorized user or an attacker;

    wherein the determining comprises;

    generating a temporary input/output interference that causes an anomaly between (A) input gestures that the user performs via an input unit of said computing device, and (B) output that is displayed on a display unit of said computing device as a result of the input gestures;

    wherein the temporary input/output interference is a binary-type interference defined to trigger one of two possible manual user responses,wherein the two possible manual user responses comprise;

    a first possible manual user response that is performed by a majority of a general population of users; and

    a second possible manual user response that is performed by a minority of the general population of users;

    based on a level of uniqueness in the general population of users, of a particular response-to-interference that is identified in input-unit interactions of said user, determining whether or not to re-use said interference in subsequent usage sessions of said user.

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