Filtering Security Mechanism for Digital Communication
[Examensarbete på avancerad nivå]
Many digital systems handle data that is either public or private depending on its sensitivity level. In these systems it is important that sensitive data is not lost or exposed to the public domain, even if parts of the system has been compromised with malicious code. In the military domain it is common for systems to be divided into different information zones based on the confidentiality of the data that the subsystem handles. In some cases these subsystems need to exchange data with each other. Therefore, it is important that sensitive data is not lost or exposed to lower classification levels, even if one unit has been compromised by malicious code. As of today and to our knowledge, no device that can cont
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