US Moves to Block Chinese Tech from Subsea Cables, Raising Cybersecurity Concerns

2025-07-16
US Moves to Block Chinese Tech from Subsea Cables, Raising Cybersecurity Concerns
Reuters

In a significant move aimed at bolstering national security and safeguarding critical infrastructure, the U.S. Federal Communications Commission (FCC) announced Wednesday its intention to prohibit companies utilizing technology or equipment from China from connecting undersea telecommunications cables to the United States. This decision has sparked both praise and concern, with proponents highlighting the need to mitigate potential espionage and sabotage risks, while critics express worries about potential impacts on connectivity and costs.

Why the Focus on Subsea Cables?

Undersea cables—often referred to as submarine cables—are the backbone of the global internet. They carry over 95% of international data traffic, connecting continents and enabling everything from video streaming and online commerce to financial transactions and international communications. These cables are vital for the U.S. economy and national security, making them a prime target for potential adversaries.

The FCC's proposed rules target companies that incorporate technology or equipment manufactured by Chinese firms, particularly those deemed to pose a national security risk. The concern is that such equipment could be exploited for surveillance, data interception, or even disruption of communication services. The rules would require cable companies to seek FCC approval before connecting to the U.S., allowing the agency to assess potential risks.

The Details of the Proposed Rules

The proposed regulations are broad and encompass not just the cables themselves, but also associated equipment and landing stations. Companies seeking approval would need to demonstrate that their infrastructure does not rely on prohibited Chinese technology. The FCC has identified specific Chinese companies of concern, although the list is not publicly disclosed. The agency plans to work with other government agencies, including intelligence and national security bodies, to evaluate potential risks.

Impact and Reactions

The announcement has already drawn reactions from various stakeholders. Cybersecurity experts generally applaud the move, arguing that it is a necessary step to protect U.S. infrastructure. However, some industry representatives express concerns about the potential impact on costs and connectivity. Sourcing alternative equipment and technologies could be expensive and time-consuming, potentially leading to delays in cable deployments and increased costs for consumers.

Furthermore, some observers suggest that the rules could trigger retaliatory measures from China, potentially impacting the global telecommunications landscape. The move also raises questions about how the U.S. will balance national security concerns with the need to maintain a robust and affordable internet infrastructure.

Looking Ahead

The FCC's proposed rules are currently open for public comment. After considering feedback, the agency will finalize the regulations. This move is part of a broader U.S. effort to reduce reliance on Chinese technology in critical sectors, including telecommunications, semiconductors, and artificial intelligence. The outcome of this initiative will have significant implications for the future of global connectivity and the ongoing competition between the U.S. and China.

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