Learn more about SolarWinds SEM for Air-Gapped Networks – Combining Fend Data Diode Solutions with SolarWinds® Security Event Manager (SEM) to Safeguard Critical Facilities and Networks.
Dec 18, 2024: Fend has been acquired by OPSWAT. Read more

Fend’s unidirectional gateway hardware physically protects you from cyberattack. Fend diodes feature:
- All supported protocols included with purchase. No extra fees or licenses.
- No need for custom external servers or software.
- Built from the ground up as a cost-effective solution for monitoring industrial equipment.
- Made in the USA.
- Opens the door to the cloud, while providing a physical backstop.

Awards






Products
Fend’s patented hardware is designed for the unique needs of industrial control systems. Our products are designed and built in the USA for long life, wide temperature range, and ease of installation. Contact us for a quote.

What is a Data Diode?
A data diode is a device that allows information to travel in only one direction. Data diodes physically transport data in a one-way fashion, rather than relying on software and code like more vulnerable firewalls and threat detection systems. Keep ransomware and other attacks out of your networks!


Protect Equipment and Networks
Stream data from industrial control systems or transfer files between networks in a physically-enforced, one-way fashion. Learn more about what you can do with a one-way communication diode.
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!

Diode Solutions for your Operations
Your infrastructure is critical. Whether your mission is to provide clean water, reliable electricity, or quality goods, the systems that make it all possible deserve the best security. With secure access to up-to-date information about your industrial control systems, you can improve efficiency and resilience. Fend protects systems and networks in a growing set of markets and is ready to help you achieve your mission. A few examples are highlighted below:

Energy and Utilities
Whether you run a large investor-owned utility or an electric cooperative, you need practical solutions that help you provide your customers with reliable, affordable electricity. Fend's data diodes can bring real-time information from previously isolated systems (generation assets, substations, and more) back to headquarters without the need for costly truck rolls.

Oil & Gas
Whether it's for billing or equipment maintenance, you need a secure data stream to know what's happening at your compressor stations, refineries, and other critical assets. In an increasingly competitive market with mounting cybersecurity threats, oil and gas customers trust Fend to deliver the operational intelligence they need while physically blocking cyberattacks on their infrastructure.

Manufacturing
Your organization's factories and distribution centers stretch across the globe. Your operations rely on equipment produced by thousands of suppliers. Resource-intensive assets like compressors, chillers, and packaging equipment play a critical role in an increasingly complex Industrial Internet of Things. Access to real-time data is critical for optimizing plant operations. Fend's data diodes and data transport services enable secure remote monitoring of operational data while physically protecting your equipment from attackers who would steal intellectual property or disrupt operations.

Water and Wastewater Treatment
The plants that protect our drinking water and our environment create a mountain of data useful to engineering teams, regulators, and even scientists looking to track the spread of diseases. Fend physically isolates the operations network from the IT network and get this data quickly into the hands of those that need it, Fend's data diodes can stream information out without giving an attacker a way in, at a fraction of the cost of traditional data diode solutions.

Critical Facilities
You may manage a hundred bank branches or a hundred thousand military facilities. Your maintenance teams never have enough hours in the day to keep up with the emergency fixes and interval based service. Make better use of this precious manpower with remote monitoring and advanced analytics. Fend makes it possible to securely leverage the power of AI in the cloud and help get the right person with the right tool to the right place at the right time.

Transportation & Logistics
Let teams back in the shipyard know what's happening in the engine room in real time so there are no surprises once you get back to shore. Share telemetry with external stakeholders, from ports to parts suppliers to keep your assets running reliably, whether at sea, on rail, or rolling down the road.
Ready to improve operational efficiency and security?
Contact Loop1 today to get started.