An MSLS-EMM for Enforcing Confidentiality in Malicious Environments

B. Wang and J. Alves-Foss (USA)


execution monitoring mechanisms, confidentiality, multi level secure,


The use of security policy enforcement mechanisms has been a topic in recent literature. Particular focus has been on the class of policies that can be enforced by these mechanisms but not on the security policy guiding the execution of the monitoring mechanisms. It has been a challenge to enforce information confidentiality in a multi-level secure system since malicious users can exploit covert channels within the enforcement mechanisms to propagate confidential information. In this paper, we characterize necessary security properties for an enforcement mechanism that can ensure secure execution of the untrusted programs even though they may be malicious.

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