Nato mulls 'offensive defence' with cyber warfare rules

A group of Nato allies are considering a more muscular response to State-sponsored computer hackers that could involve using cyberattacks to bring down enemy networks, officials said. The United States, Britain, Germany, Norway, Spain, Denmark and the Netherlands are drawing up cyber warfare principles to guide their militaries on what justifies deploying cyber attack weapons more broadly, aiming for agreement by early 2019.