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Protecting hidden infrastructure: The security politics of the global submarine data cable network

ABSTRACT Undersea communication cables are the core critical infrastructure of the digital age. 99% of all transoceanic digital communication—financial transactions, emails, or voice messaging—is transported through undersea fiber-optic cables. The global submarine cable network is a critical infrastructure that does not receive the analytical attention it deserves. We argue that cable security is a core dimension of current and future international security governance. We present the first systematic survey of the academic discourses that investigate the politics, governance, and protection of submarine data cables. Three rather narrow literatures study the cables (1) as under threat from hybrid warfare and terrorism, or treat the cable network narrowly as a (2) technical or (3) regulatory problem. We demonstrate the need for broadening out the research agenda and addressing key questions of security governance and geopolitics of this increasingly critical infrastructure.