We are now heading to a new security situation within the European Union, with a more aggressive Russia as well as a more shattered European Union. In the Nordic-Baltic region, not all liberal parties have agreed upon whether a NATO-membership is the best way to ensure liberal values. At a time when the Treaty on the Prohibition of Nuclear Weapons is highly topical, it is more important than before to discuss the future cooperation in security issues between liberal democracies. How do we ensure the survival of liberal democratic states in a new insecure time and what can Europe do to prevent authoritarian trends?