Report Sep 13, 2021
Cyber defense across the ocean floor: The geopolitics of submarine cable security
By Justin Sherman
The vast majority of intercontinental global Internet traffic—upwards of 95 percent—travels over undersea cables that run across the ocean floor. The construction of new submarine cables is a key part of the constantly changing physical topology of the Internet worldwide. However, this dependence is not matched by increased security, leaving our undersea cables—the core of the global internet—at risk.