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Diode Data
Allows only one-way data transfer from the LOW domain to the HIGH domain, strictly preventing any data leakage from the HIGH domain.
Gateway
Allows controlled transfer of data from the HIGH domain to the LOW domain, ensuring that only authorized information can leave the HIGH domain for the LOW domain.
Cross Domain
Integrates Data Diode and Gateway features, enabling at the same time controlled, secure data exchange both from the LOW domain to HIGH (with leak-out protection) and from the HIGH domain to LOW (limiting transfer to authorized data only).
Cross Domain & CEMA
In the Cross Domain context, where systems with
different classification levels interact, TEMPEST measures must consider not only electromagnetic emissions to the outside, but also prevent the risk of EM interference between internal components marked by different classifications. Single-processor solutions do not ensure physical and electromagnetic separation between areas dedicated to LOW data and those dedicated to HIGH data, thus requiring a strict approach to internal shielding and segregation of electromagnetic paths, essential for protecting classified information.
It would be like sleeping peacefully in front of your front door, pretending to ignore the noise of the party raging inside.
Want to learn more about Cross Domain, Data diodes and their use cases?
