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SENSITIVE DATA TRACKING USING DYNAMIC TAINT ANALYSIS

  • US 20110145918A1
  • Filed: 12/15/2009
  • Published: 06/16/2011
  • Est. Priority Date: 12/15/2009
  • Status: Active Grant
First Claim
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1. A method of tracking sensitive data through a target application running on a computer system, the method comprising:

  • loading a target application for execution by a computer system;

    monitoring input data received on at least one input channel of the computer system for a sensitive data indicator;

    marking the input data associated with the sensitive data indicator as tainted data when the input data is provided to the target application;

    tracking propagation of the tainted data as the target application executes and the tainted data is read from and written to memory locations in the computer system; and

    monitoring at least one output channel of the computer system to determine if the tainted data is propagated to the at least one output channel.

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