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FCC Updates Submarine Cable Rules to Bolster National Security and encourage U.S. Infrastructure
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Published November 7, 2025, at 16:53 PST

What Happened?
The Federal Communications Commission (FCC) has enacted updated rules for submarine cable infrastructure, effective this month, designed to strengthen national security and promote the use of American-owned and operated repair vessels and trusted technology. These changes come as private companies continue to invest heavily in undersea cables – averaging $2 billion annually for the past decade - to support the growth of data centers and emerging technologies like Artificial Intelligence (AI). The FCC aims to streamline the licensing process while simultaneously addressing potential vulnerabilities posed by foreign adversaries.
Why submarine Cables Matter
Submarine cables are the backbone of the internet, carrying over 99% of international data traffic according to Telegeography.These cables connect continents and countries, enabling global communication and commerce. The increasing demand for bandwidth, driven by cloud computing, streaming services, and AI, necessitates continuous investment in new cable capacity. However, this reliance on undersea infrastructure also presents a potential vulnerability.
Concerns have grown regarding the potential for foreign adversaries to exploit these cables for espionage, sabotage, or disruption of communications. The FCC’s new rules are a direct response to these concerns, seeking to mitigate risks without hindering the necessary expansion of global connectivity.
Key Provisions of the New Rules
The updated FCC regulations focus on several key areas:
- National Security Reviews: Enhanced scrutiny of foreign ownership and control of submarine cable projects.
- Equipment and Service Restrictions: Addressing concerns about equipment and services from possibly untrusted vendors. The rules aim to incentivize the use of American-made or trusted technology.
- U.S. Repair and maintenance Vessels: Incentives to prioritize the use of U.S.-flagged vessels for cable repair and maintenance, bolstering domestic maritime capabilities.
- Streamlined Licensing: Simplifying the licensing process for cable construction and operation to accelerate deployment.
FCC Chairman Brendan Carr emphasized that the Commission’s goal is to “facilitate, not frustrate, the buildout of submarine cable infrastructure,” as reported by Inside Towers, recognizing the critical role these cables play in supporting U.S. leadership in AI and next-generation technologies.
Impact on the Industry
The new rules are expected to have a significant impact on the submarine cable industry. Companies involved in cable construction, operation, and maintenance will
