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Subcommittee raises undersea cable vulnerability as part of multi‑domain cyber resilience discussion
Committee on Homeland Security, Subcommittee on Cybersecurity and Infrastructure Protection · January 13, 2026
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Summary
Members pressed witnesses on risks to undersea cables and repair/resilience capabilities; experts urged multi‑domain responses involving the U.S. Navy, private owners, more repair ships, and better intelligence and redundancy planning.
Rep. Littrell told the panel that more than 90% of global information flows over undersea cables and asked which departments and private operators are responsible for protecting and repairing that infrastructure.
Witnesses said the risk is…
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