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These thin cables lie unburied across deep-sea floors, making them vulnerable to accidental damage and sabotage.
NATO has already announcedplans to prevent this happening in the futureusing undersea drones.
HEIST aims to address such threats by ensuring critical internet pathways remain operational even when fiber lines are compromised.
The focus will be on diverting high-priority data to satellites, reducing reliance on vulnerable seabed cables.
The project will begin testing in 2025 at the Blekinge Institute of Technology in Sweden.
