Discussions of the cyber-threats to critical infrastructure have become more frequent in the wake of the cyberattacks against Ukraine’s power grid in 2015. While there seems to be a general consensus that cyberattacks resulting in damage to critical infrastructure, such as hospitals and power grids, are a common threat, there is a great deal of disagreement on how to define the parameters of and escalation within this arena. This volume reveals that much of the discussion at the national, regional and international levels continues to be disconnected and even conflicting