Cyber operations have slowly left the realm of imagination and science fiction and have become a contemporary reality. They are now unavoidable in our ultra-connected societies and constitute an integral part of international relations. States, scholars and NGOs have been speculating on the militarisation of the Internet, in particular the deployment of military activities in cyberspace. With speculative time now over, we see most of the world’s armies acquiring cyber capabilities and cyberspace is considered to be another domain for military activities, which are no longer confined to land, sea, air and outer space.