Light-weight context tracking and repair for preventing integrity and confidentiality violations

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11138319
APP PUB NO 20190121987A1
SERIAL NO

15793317

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Importance

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Abstract

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A computer system performs tracking of security context for confidential or untrusted values input from sources in an executing application to sinks in the executing application. The security context includes indications of sources and declassifier methods corresponding to the values and has been previously defined prior to the tracking. Prior to release of a selected confidential or untrusted value by a sink in the executing application, security context is fetched for the selected confidential or untrusted value. A selected declassifier method is caused to be used on the selected confidential or untrusted value prior to release of the selected confidential or untrusted value to the sink. The selected declassifier method obfuscates the selected confidential or untrusted value and is selected based on the security context for the selected confidential or untrusted value. The obfuscated confidential or untrusted value is caused to be released to the sink in the executing application.

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First Claim

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINE CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ferrara, Pietro Verona, IT 31 96
Pistoia, Marco Amawalk, US 336 3246
Tripp, Omer San Jose, US 377 2125
Tsankov, Petar Zurich, CH 2 5

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