Radicalisation in Europe and ISIS: Evolution of ISIS and Threats to European Security

The civil war in Syria, which started in 2011, took a completely different dimension in 2014, when the DAE？ terrorist organization declared the Caliphate. The wars of Syria and Iraq, where many big and small actors were on the scene, have created new threats both in the region and in the European Union as they continue to sweep under the name of the struggle against terrorism. It is foreseen that the DAE？ will continue its efforts to realize its goals of reorganizing and disseminating the ideology and spreading the caliphate by different methods after it has lost its territory. In this situation, European countries are also facing the threat posed by current radical groups and returning foreign terrorist fighters. The study includes the ways used by the terrorist organization to evolve and adapt to new conditions, the potential risks/ threats of foreign terrorist fighters in the EU countries and the institutional measures taken by the EU