Marlink Partnered with TXOne for OT Security
The integration aims to secure vessels and offshore assets against threats to operational technology.
Updated on Oct. 6, 2026 in Cybersecurity
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Marlink has partnered with TXOne Networks to integrate specialist operational technology (OT) security into its existing fleet and industrial management platforms. This collaboration provides managed cybersecurity services for vessels and offshore sites.
Why it matters
As maritime and industrial systems become increasingly reliant on cloud connectivity and remote management, this integration addresses the urgent need for robust defense of critical infrastructure. It helps operators meet international compliance standards including IACS Unified Requirement E26 and IEC 62443.
The platform utilizes passive monitoring to map connected assets and detect unusual behavioral patterns. This supplements the security capabilities already present in Marlink's XChange NextGen platform launched in March 2026.
The players
Marlink
A global provider of managed connectivity and cybersecurity services for maritime and offshore industries.
TXOne Networks
A developer of cybersecurity solutions tailored for operational technology and industrial control systems.
NORMA Cyber
A specialized cybersecurity threat intelligence and monitoring organization for the maritime sector.
Höegh Autoliners
A major shipping company currently utilizing the NORMA Cyber fleet monitoring service.
The details
The partnership combines Marlink's established managed cybersecurity services with TXOne Networks' OT security stack, which is designed to protect industrial control systems. The service relies on passive monitoring, a process that inspects network traffic without interrupting or interfering with system operations, to build a real-time map of connected devices and identify anomalies. This approach allows operators to gain visibility into their OT environment while supporting compliance with rigorous international safety benchmarks like IEC 62443.
Timeline
Marlink launched the XChange NextGen platform in March 2026.
A dedicated OT security service was launched at the end of August 2026.
Marlink partnered with NORMA Cyber in late September 2026.
The Tech Race
This move accelerates the push toward mandatory cybersecurity hardening in maritime environments as dictated by IACS Unified Requirement E26. It marks a shift from general IT security to domain-specific OT protection, putting Marlink in direct competition with emerging niche providers in the maritime defense space.
Maritime and offshore fleet operators can now integrate passive OT monitoring directly into their existing Marlink XChange NextGen workflows. This service provides immediate visibility into network-connected assets, reducing the complexity of managing security compliance across diverse offshore hardware.
The takeaway
The maritime sector is rapidly pivoting toward passive, non-intrusive monitoring to satisfy new international cyber-resilience mandates. Operators should monitor how these integrations scale across diverse vessel fleets and whether they reduce incident response times compared to previous manual audit cycles.
Further reading
For a deeper look into protecting remote industrial systems, visit our Cybersecurity section.
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Do you trust that shipping companies are sufficiently protecting critical maritime systems from cyber threats?
