Covert Channel Vulnerabilities in Anonymity Systems

Posted in Internet Security Whitepapers, Covert Hacking

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Covert channels transfer information in violation of a security policy. Multilevel secure systems (MLS) aim to protect against unauthorised flows of information, through mandatory access control, backed by covert channel prevention. Similarly, anonymity systems aim to protect a user’s actions and identity from observation by an adversary; an implicit information flow control policy. This thesis will discuss the congruence between covert channel prevention and securing anonymity systems, showing how techniques for attacking and protecting MLS can be used in the analysis and improvement of anonymity systems.
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Covert Channel Vulnerabilities in Anonymity Systems

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