McNaughton, Anne2015-12-079781107102781http://hdl.handle.net/1885/20534In the case of the European Union we see an intriguing model of security regulation positioned at the intersection of international and public law. The purpose of this chapter is to map the landscape of security regulation under the Common Foreign and Security Policy and to explore the way in which the competences of the EU and its Member States engage with each other in this policy area, explaining the concept of security within the EU, the way in which legislative competence in this policy area is shared between the EU institutions and the Member States, and the way in which the EU and Member States engage with the rest of the world in this area.Institutional competence and the Common Foreign and Security Policy of the European Union201510.1017/CBO9781316212677.0062016-02-24