At the European Youth Parliament at the Princeton University the participants of the working group EU-US Security: Assessment and Relations worked on a the topic of cyper security and its challanges in the 21st century and beyond. The WG prepared a policy proposal. The group consisted of people from the US, Germay, Italy, Sweden and Lithuania. YEPP people but also a Soicial Democrat where part of the group. We had interesting lectures and discussions with Princeton Professors like Prof. Wolfgang Danspeckgruber who is an expert on foreign policy and the Founding Director of the Lichtenstein Institute on Self-Determination who gave a impressive lecture on how strategic events can have a strong impact on the security architecture of states. Prof. Andrew Moravcsik as expert for US Politics and International Affairs was also available for a discussion with us.