TY - BOOK AU - COWAN Gerrard TI - When is a cyber attack an act of warfare? PY - 2017/// KW - INFORMATION WARFARE KW - CYBERSECURITY KW - NON-TRADITIONAL SECURITY KW - DEFENCE STRATEGY N2 - Cyber operations are now a key element of modern warfare and an increasing focus for militaries around the world. This article examines whether a cyber attack can ever justify a military response, what form it could take, and what would be needed for it to happen ER -