EU Enhances Maritime Security Against Undersea Threats

The EU is strengthening its maritime security to protect undersea cables and pipelines, which are vital for global data transmission and energy supplies. Recent incidents, including the Nord Stream explosion in 2022 and the Balticconnector sabotage in 2023, have heightened concerns over vulnerabilities. Damage to cables between Finland and Germany, Sweden and Lithuania in late 2024, and Finland and Estonia in late 2025 further underscored these risks. In response, the EU updated its Maritime Security Strategy in 2023, focusing on innovation, collaboration, and information sharing to combat both physical and cyber threats. The EU is also investing in detection and surveillance initiatives, including the 2025 Cable Security Action Plan and the EUR92 million OceanEye project. The new Industrial Maritime Strategy launched in March 2026 aims to enhance the resilience of the maritime sector against emerging threats.

Key Points: • Undersea cables and pipelines are critical for global data and energy supply. • The EU updated its Maritime Security Strategy in 2023 to address rising threats. • Recent incidents have prompted significant investments in detection and surveillance systems.