Dr. François Delerue is a researcher in cyber defense and international law at the Institute of Strategic Research (IRSEM – Institut de Recherche stratégique de l’Ecole militaire), an Associate Researcher at the Castex Chair of Cyber Strategy and a Visiting Researcher at the Sciences Po Law School in Paris. This article is a condensed and a revised version of the original policy paper published by the Young Academics Program of Global Relations Forum (GRF) in July 2017. GRF holds copyright to this material and no part of it may be reproduced or distributed in any form or by any means without the prior written permission of GRF. The full report is available at the following link: https://goo.gl/YZb5CE