Probity's Fastback Data Diode
Unidirectional Security, Simplified.
For over 15 years, Probity Inc. has supported the U.S. Intelligence and Defense communities with adaptive, mission-driven software and systems engineering. We designed Fastback to solve the exact real-world problems we encountered in the field.
Fastback has redefined the data diode market by offering a simple, affordable, and adaptable solution without the limitations and complexity of typical appliance-based diode options.
Fastback provides an NCDSMO-listed, RTB-compliant, hardware-enforced physical protocol break using standard, off-the-shelf PCIe network cards and a fiber-optic coupler. By combining standard hardware with our cutting-edge software, we deliver elite security with absolute operational freedom
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15+ Years Mission Experience
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NCDSMO Listed
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RTB-Compliant
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Standard PCIe + Fiber Architecture
The Fastback Data Diode Family
Fastback has a tailored solution for every cross-domain requirement.
Data Diode Kits
(1G / 10G / 25G)
Complete kits for flexible
deployments
Turnkey Data Diode Solutions
For desktops or servers.
100G Data Diode Solutions
Secure one-way transfer
up to 100GbE.
Cleared CDS Professional Services
Compliance, design & development support.




