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The Nordic-Baltic Eight policy brief: Protecting critical undersea infrastructure

23 June 2026
Professional military radar display screen showing yellow scope with targets and control panels in command center.

New publication in the NB8 policy brief series by Nele Loorents (ICDS) and Eoin Micheál McNamara (FIIA).

Critical undersea infrastructure encompassing various energy and data connections underpins economic cooperation among the Nordic-Baltic Eight (NB8). But a turbulent geopolitical environment has exposed its vulnerabilities. To reduce risks, the NB8 need to enhance security cooperation, innovation, and defence-industrial coordination.

The Nordic-Baltic Eight: Policy brief series

This policy brief series aims to deepen understanding of the evolving security, political, and societal dynamics that shape the Nordic-Baltic region amid renewed great-power competition. 

The series is jointly published by the Finnish Institute of International Affairs (FIIA), the Danish Institute for International Studies (DIIS), the Icelandic Institute of International Affairs (IIA), the International Centre for Defence and Security (ICDS), the Institute of International Relations and Political Science at Vilnius University (TSPMI), the Latvian Institute of International Affairs (LIIA), the Norwegian Institute of International Affairs (NUPI), and the Swedish Institute of International Affairs (UI).

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