XD Guardian XML is a secure, high‑assurance cross domain solution designed to enable reliable data transfer across security boundaries. It is a dual‑node, quad‑diode appliance that delivers flexibility, high performance, and cost efficiency while providing hardware‑enforced domain separation. Functionally equivalent to the XD Bridge ST, XD Guardian XML is notable as the only exportable, non‑ITAR‑restricted solution of its kind. It has been assessed against the U.S. Government’s most rigorous cross domain security requirements and is listed on the Foreign Military Sales CDS Baseline. This certification ensures a high level of assurance for sharing data securely between domains while supporting both unidirectional and bidirectional transfer needs.

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