Since September 2022, ruptures or explosions affecting at least 13 electrical and telecommunications cables or gas pipelines have been discovered, all in the Baltic Sea. These incidents are being investigated as possible sabotage. Hours later, Germany, Finland and Lithuania reported two submarine fiber optic cables had been cut. The incidents involving both cables occurred in close proximity to each other and near-simultaneously, which prompted accusations from. Events over the last eighteen months indicate that the risk environment for submarine cables has very likely escalated, and the threat of state-sponsored malicious activity targeting submarine cable infrastructure is likely to rise further amid heightened geopolitical tensions. Insikt Group's. Two undersea cables in the Baltic Sea were severed last week — one connecting Finland and Germany, and the other linking Sweden and Lithuania. The cutting of the cables prompted warnings of "sabotage" and potential "hybrid" warfare in the West amid the ongoing war in Ukraine. Subsea cables —. Undersea internet cables around the world handle 99 percent of transcontinental digital communications, but they're also still vulnerable to breakage—and sabotage. When the lights went out on the BCS East-West Interlink fiber optic cable connecting Lithuania and Sweden on 17 November, the biggest. The study analyzes the status and progress of copper switch-off in the 27 EU Member States, the UK, Norway, and Switzerland, highlighting developments observed during 2025. The analysis shows that while the copper transition is progressing, it remains uneven across Europe.
