The US-China Tech Cold War Is Moving Undersea

When Australia’s Defence Minister Richard Marles described the seabed as a battlefield at a regional defense gathering in Singapore earlier this year, he was preaching to the converted. The security of undersea cables — which carry more than 95% of data flows and trillions of dollars of daily financial transactions — was already top of mind for the senior military brass, geopolitical analysts and government ministers in the room.