Delivering Unmatched Security Through Collaboration
At 4Secure, we believe that the strongest cybersecurity solutions are built on expertise, innovation, and collaboration. That’s why we are proud to be the UK and European distributor partner for Owl Cyber Defense, a global leader in high-assurance cross-domain solutions.
For over 25 years, Owl Cyber Defense has been at the forefront of data diode technology, securing some of the world’s most sensitive networks across defence, intelligence, government, and critical national infrastructure. Their solutions are trusted by top security agencies and enterprises worldwide, ensuring unidirectional data transfer that guarantees absolute network segmentation and protection.
What Sets Owl Cyber Defense Apart?
Market-Leading Data Diodes
Designed for the highest levels of security, Owl’s hardware-enforced, one-way data transfer technology eliminates cyber threats by physically preventing bidirectional communication.
Proven in Mission-Critical Environment
Owl’s technology is deployed in defence, energy, financial, and industrial control systems where security is non-negotiable.
Rigorous Certification
Their solutions meet the strictest regulatory and security requirements, ensuring compliance with NCSC, NSA, NATO, and other global standards.
Seamless Integration
4Secure’s technical expertise ensures smooth deployment and ongoing support for organisations requiring absolute network security.
Powering Secure Data Transfer for High-Assurance Environments
We work closely with clients to provide tailored cross-domain solutions that maintain the highest levels of security while enabling operational efficiency. Whether securing defence networks, critical infrastructure, or government systems, our combined expertise delivers trusted, scalable, and future-ready cybersecurity solutions.

Command and Control

Secure File Import

Secure Browse Down

Secure Video Transfer

Content Disarm and Reconstruction

OPC Data Transfer

Splunk Data Transfer

Logrhythm Data Transfer

TAK Data Transfer
Contact us today to discuss your secure data transfer requirements
Discover how 4Secure and Owl Cyber Defense can enhance your cybersecurity strategy.
