Cybersecurity is Team Sport, with number of state actors targeting various organisation around the globe, we as a defender need to work together as a One Team. This presentation details the cyber activity Microsoft has observed around the world, and the work we have done in collaboration with number of countries and private sector enterprises to defend against cyberattacks. Microsoft’s ongoing, daily engagement establishes that the cyber component of Nation State Actors has been destructive and relentless. The purpose of this presentation is to provide insights into the scope, scale, and methods of Nation State Actors’ use of cyber capabilities as part of the largescale “hybrid” war, to acknowledge the work of organisations in target countries and organisations defending against persistent adversaries, and to provide strategic recommendations to organisations worldwide.