System and method for blocking the transmission of sensitive data using dynamic data tainting
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United States of America Patent
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Nov 8, 2016
Grant Date -
Dec 15, 2011
app pub date -
Jun 9, 2011
filing date -
Jun 11, 2010
priority date (Note) -
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Abstract
Blocking transmission of tainted data using dynamic data tainting is described. For example, sensitive information is stored on a client device as tainted data. The client device generates a data request for retrieving data from a non-trusted entity via a network. A gateway is communicatively coupled to the client device and the network. The gateway receives computer code from the non-trusted entity via the network. The gateway executes the computer code. The gateway tracks the execution of the computer code to determine whether the computer code attempts to access tainted data and transmit the tainted data to an outside entity. The gateway blocks the transmission of the tainted data to the outside entity responsive to determining that the computer code has attempted to access tainted data and transmit the tainted data to an outside entity.
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