(Stavanger, Norway, 17 December 2025)
Tampnet, the global leader in offshore connectivity, has rapidly deployed advanced fibre sensing technology across its subsea cable network to safeguard critical infrastructure. With most of its network already covered by innovative sensing solutions, Tampnet has taken physical security to the next level.
This initiative introduces a physical layer of security that complements traditional network protection measures. By leveraging Distributed Acoustic Sensing (DAS), Tampnet's proprietary State of Polarization (SoP) technology, and AI-powered maritime intelligence, the company can detect and classify events along its cable routes in real time. These systems have enabled Tampnet to monitor activities such as trawl impacts and other more advanced physical threats, ensuring rapid response and enhanced resilience.
Tampnet also offers fibre sensing as a service to 3rd party infrastructure by instrumenting telecom fibre-cable networks with fibre sensing technology, enabling real-time monitoring of subsea and terrestrial cables for physical threats such as trawling, dredging, or excavator activity. The service continuously analyses strain or acoustic signals along the entire cable length, detecting disturbance or vibrations. When abnormalities occur, Tampnet can alert customers or trigger mitigation to protect the cables' integrity and prevent damage.
Monitor and protect"We now have the tools to distinguish real threats from false alarms, assigning severity levels to ensure the right response," said Steinar Bjørnstad, Research Manager at Tampnet. "By combining DAS and SoP, we're actively securing the physical layer through monitoring, enabling a more holistic security approach."
Tampnet has an extensive fibre network covering more than 5.400 km, in addition to 600.000 km2 of mobile 4G/5G coverage and satellite solutions, which enables digitalisation at 450 offshore installations and vessels globally.
Anders Tysdal, CTO Infrastructure at Tampnet, added: "We started working on this 3-4 years ago, gradually covering more of our infrastructure. Our goal is the implementation of fibre sensing across key segments of our network, and this continues to be a major step towards redefining physical security standards in subsea communications. We are ready to onboard early moving customers."
With this expansion, Tampnet reinforces its position as an industry leader in operational safety and innovation, adding physical security as an integral part of network protection.
About Tampnet
Tampnet provide first-class, high-capacity connectivity to the global offshore energy sector, enabling digitalization, efficiency and sustainability. By operating the world's largest offshore network, Tampnet delivers reliable and scalable high-capacity, low-latency connectivity solutions that support safer, smarter and more sustainable operations from site to shore. Through continuous innovation and focus on reduction of carbon footprint, Tampnet revolutionises offshore operations, contributing to a more sustainable energy production landscape. The company operates offshore telecom infrastructure in the North Sea and the Gulf of Mexico (Gulf of America), where a large number of mobile rigs and vessels receive high-speed data communication by Tampnet.
For more information, please contact:
Tampnet
Steinar Bjørnstad
Strategic Competence and Research Manager
sbj@tampnet.com
For media enquires, please contact:
Tampnet
Renate Bakken
Marketing Coordinator
rba@tampnet.com