Data Diode Solutions For Protecting Critical Assets
Our one-way communication diodes guarantee protection for your critical infrastructure. Choose Fend’s cybersecurity hardware today or contact us for more information.

Which Data Diode is Right for You?
How Data Diodes Protect You
Data diodes (also known as unidirectional gateways or one-way communication diodes) are cybersecurity hardware devices designed to facilitate one-way communication of data. Segment and defend your networks effortlessly to protect even the most sensitive data and assets with Fend. Learn more about how they work with our guide to data diodes.

Why Choose Fend?
Fend’s unidirectional gateway hardware physically protects you from cyberattack. Fend diodes feature:
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All supported protocols included with purchase. No hidden fees or licenses.
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No need for custom external servers or software.
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Built from the ground up as a cost-effective solution for monitoring industrial equipment.
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Made in the USA.
Built-in Protocol Support
Fend data diodes come equipped with onboard protocol support for common industrial and IT protocols like Modbus, FTP, and TCP/IP. Setting up a diode is as easy as logging in the Fend Configuration Tool, selecting your protocols, entering some basic information. It takes minutes!
