...prohibited use of force in cyberspace under the jus ad bellum or where the
lines are for an attack under the jus in bello. The Tallinn Manual is the paradigmatic example of this (often quite good) work. More recently, States and scholars have moved on to cyber operations below these
lines, with attention shifting in Tallinn and elsewhere to which cyber operations may generate counter-measures and defining when cyber operations violate the duty of non-intervention. Such efforts have (so far) had relatively little to say on the question of a...