Underwater and unprotected: why Asean and the EU must secure subsea lifelines

2026-03-15 - 04:05

What does the world’s digital economy rest on? Thousands of kilometres of fibre-optic cable lying on the ocean floor and, increasingly, in the crosshairs of great-power rivalry. The confluence of recent subsea cable disruptions, gaps in the 1982 UN Convention on the Law of the Sea (Unclos) and intensifying great-power competition has elevated this underwater infrastructure from a technical and commercial concern to a security issue – characterised as “this century’s hidden battleground”. It has...