Cyberwarfare in effect neutralizes article 5 because of lack of attribution. What they tell us is that they're not going to have a coordinated effort on this because our individual countries don't even have our own cyber-doctrine in place. We were told in the defence review that yes, we have a whole-of-government approach, but when asked about a Canadian cyber-command, like what the United States has, “We don't need it. Everybody we need is in Ottawa. They're just a phone call away or a short cab ride away."
On October 25th, 2017. See this statement in context.