csce824-lect12

csce824-lect12 - Inference Problem Readings and Assignments...

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Inference Problem
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CSCE 522 - Farkas 2 Lecture 19 Readings and Assignments I. Moskowitz, M. H. Kang: Covert Channels – Here to Stay? http://citeseer.nj.nec.com/cache/papers/cs/1340/http:zSzzSzwww.itd.nrl.na Jajodia, Meadows: Inference Problems in Multilevel Secure Database Management Systems http://www.acsac.org/secshelf/book001/book001.html , essay 24
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Access Control Policies Direct access Information flow Not addressed: indirect data access CSCE 522 - Farkas 3 Lecture 19
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CSCE 522 - Farkas 4 Lecture 19 Indirect Information Flow Channels Covert channels Inference channels
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CSCE 522 - Farkas 5 Lecture 19 Communication Channels Overt Channel : designed into a system and documented in the user's manual Covert Channel : not documented. Covert channels may be deliberately inserted into a system, but most such channels are accidents of the system design.
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CSCE 522 - Farkas 6 Lecture 19 Covert Channel Timing Channel: based on system times Storage channels: not time related communication Can be turned into each other
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CSCE 522 - Farkas 7 Lecture 19 Inference Channels + Meta-data Sensitive Information Non-sensitive information =
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This note was uploaded on 12/13/2011 for the course CSCE 824 taught by Professor Staff during the Fall '11 term at South Carolina.

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csce824-lect12 - Inference Problem Readings and Assignments...

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