How vulnerable are undersea cables to attack?

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Finland Finds Anchor Drag Marks Left By Tanker That Broke Cables

By Kati Pohjanpalo Dec 29, 2024(Bloomberg) –Finnish authorities investigating damage to subsea power and data cables found drag marks on the seabed likely left by the anchor of seized tanker Eagle...

gcaptain.com

 

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"Dark Fleet" Tanker Faces Civil and Criminal Cases in Finland

Finnish investigators now have two more possible ways to detain the tanker Eagle S, which is suspected of severing multiple subsea cables in the Gulf...

maritime-executive.com

 

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Chinese Freighter Suspected of Severing Telecom Cable off Taiwan

Taiwan's coast guard believes that a Chinese freighter severed a telecom cable off the island's northern coastline last week, and analysts ha...

maritime-executive.com

Vanuatu Illustrates Risks of Thin Subsea Cable Infrastructure

[By Cynthia Mehboob]Last month’s magnitude 7.3 earthquake near Vanuatu caused widespread devastation and left at least a dozen people dead. The disa...

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Anchor Suspected of Causing Estlink2 Cable Damage Recovered from Baltic Sea

Finnish authorities have recovered an anchor from the Gulf of Finland that they suspect belongs to the Russian tanker Eagle S, which is suspected of damaging the Estlink2 undersea cable...

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Undersea Cable War: Expert interview with former CIA Paramilitary Officer.​

Jan 8, 2025 #usnews #worldnews #nationalsecurity

Did China cut undersea cables near Taiwan? Former CIA Paramilitary Officer Nick Thompson tells The Cipher Brief the other explanations don't add up. “If I’m on a 20-foot sailboat by myself, setting the anchor is a little bit of an art. So when you’re talking about vessels that are 700 feet long, 100 feet wide, that is a big piece of machinery going to the sea floor. The whole anchor theory of, 'We accidentally did this,' is frankly just absolutely ridiculous."


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Chinese anchor-like device to cut cables makes headlines - Splash247

China has been pushed even more into the centre of cable-cutting incidents around the world after it emerged that a team of engineers at Lishui University developed a “dragging type submarine cable-cutting device” back in 2020. According to Newsweek’s review of Chinese-language patent...

splash247.com

 

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Report: U.S. is Convinced That Eagle S Cable Incident Was Accidental

Since late December, the Russia-linked tanker Eagle S has been under arrest in Finland on suspicion of rupturing five subsea cables by dragging her a...

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Baltic Undersea Cable Between Latvia And Sweden Damaged By External Force

By Andrius Sytas VILNIUS, Jan 26 (Reuters) – An undersea fiber optic cable between Latvia and Sweden was damaged on Sunday, likely as a result of external influence, Latvia said, adding its navy had...

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MV Vezhen Released After Cutting the Cable Between​

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Svalbard gets world's northernmost subsea cable system

Norway speeds up plans to build a 2350 km long high-speed connection to Jan Mayen and the Svalbard archipelago.

www.thebarentsobserver.com

 

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INSIDE the Largest Cable-Laying Ship Ever Built: How Undersea Cables Are Laid​

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Inside the Extreme Life of Divers Repairing Billion $ Underwater Cables​

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EU looks at developing cable-laying fleet - Splash247

The European Commission, the EU’s executive body, is looking to create a fleet of cable repair ships in a public/private initiative which could be a boost for the continent’s shipyards. Following a spate of cable and pipeline outages, primarily in the Baltic, in recent months, bureaucrats in...

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Taiwan charges Chinese master over cable cutting - Splash247

For the first time, Taiwan has charged a Chinese ship captain for intentionally damaging undersea cables in February. The master of the Chinese-crewed, Togo-flagged Hong Tai 68 maintains his innocence in one of many cable cutting incidents around the island in recent months. The rest of the...

splash247.com

 

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Master of Chinese boxship accused of severing Baltic gas pipeline appears in HK court - Splash247

The master of the Newnew Polar Bear, a Hong Kong-flagged boxship, has been taken into custody in Hong Kong for damaging a gas pipeline in the Baltic Sea 19 months ago. Wan Wenguo, 43, appeared at a court in Hong Kong yesterday to face a charge of criminal damage and two additional charges for...

splash247.com

 

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Poland Says Key Infrastructure at Risk After Baltic Sea Incident

Polish Prime Minister Donald Tusk warned on Thursday that the Baltic Sea is becoming “a new area of confrontation” with Russia, putting the country’s critical infrastructure increasingly at risk.

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Southeast Asia Joins Europe’s Calls To Defend Subsea Cables

By Philip J. Heijmans and Alberto Nardelli Jun 1, 2025 (Bloomberg) –Defense officials from Europe and Southeast Asia called for stronger collaboration to protect the global network of subsea cables as...

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UK ‘woefully’ unprepared for Chinese and Russian undersea cable sabotage, says report

CSRI finds China and Russia may be coordinating ‘grey zone’ tactics against vulnerable western infrastructure

www.theguardian.com

 

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Chinese Captain in Baltic Sea Cable Damage Case Appears in Hong Kong Court

HONG KONG, July 4 (Reuters) – The captain of a Hong Kong-registered ship alleged to have damaged undersea cables in the Baltic Sea was assigned a lawyer in a Hong Kong court...

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US Aims to Ban Chinese Technology in Undersea Telecommunications Cables

The Federal Communications Commission said on Wednesday it plans to adopt rules to bar companies from connecting undersea submarine communication cables to the United States that include Chinese technology or equipment.

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‘Newnew Polar Bear’ Containership Set to Return to Europe via Arctic After 2023 Balticconnector Incident

Two years after damaging the Balticconnector pipeline and communication cables in the Gulf of Finland, Chinese container ship Newnew Polar Bear has set sail for the Arctic again.

gcaptain.com

 

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Navigating the Depths of Undersea Cable Vulnerabilities​

Aug 14, 2025
Cipher Brief Correspondent Tom Nagorski talks with Beth Sanner, former Deputy Director of National Intelligence, about the complex world of undersea cables and the vulnerabilities posed by Chinese repair teams. Anyone see a problem here? Washington does.


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Under the Sea: China's Digital Silk Road and the Middle East

London (Special to Informed Comment; Feature) - China-US geopolitical rivalries have manifested in many arenas from esoteric ones like export controls over semiconductor chips, to high profile trade wars and confrontations over Taiwan. The outcome of the two sides’ efforts to entrench their...

www.juancole.com

 

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The Extreme Job of Repairing Costly Internet Cables Deep Underwate​

Aug 20, 2025
Welcome back to the Fluctus Channel, as we explore the complex world of undersea cable installation and repair, highlighting advanced cable-laying ships, and offshore wind power infrastructure.


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Suspects Blame Technical Faults for Baltic Sea Cable Breaches

The captain of an oil tanker and two officers accused of severing five undersea power and telecoms cables in the Baltic Sea last December, blamed technical faults for the damage as their trial began in Helsinki on Monday.

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Facing New China 'Grey-Zone' Threat, Taiwan Steps Up Sea Cable Patrols

Taiwanese coast guard captain Juan Chung-ching's patrol boat moves across the Taiwan Strait, scanning for threats to what Taipei says is the newest target of China's grey-zone warfare: undersea cables vital to the democratic island's communications.

gcaptain.com

 

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Testimony Completed in Eagle S Sabotage Trial in Finland

Prosecutors and defense lawyers made their final statements on Friday, September 12, in Helsinki District Court in the trial of the captain and two of...

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