95% of intercontinental data flows through 500 undersea cables with zero physical security

Approximately 500 submarine fiber optic cables carry 95% of intercontinental internet traffic, financial transactions, and military communications. These cables sit on the ocean floor with no physical protection, no surveillance, and no rapid-response repair capability. A single cable cut can reroute an entire continent's traffic through alternative paths that may cross adversary-controlled chokepoints. This persists because the cables are owned by private telecom consortiums that invest in capacity but not security, the ocean is ungovernable space where no nation has enforcement authority over most cable routes, and the cost of physically protecting 1.4 million km of cable is astronomically impractical.