Disproportionate Migration Pressure as a Challenge for the National Security of the Republic of Bulgaria

Since 2011 a sustainable growth of illegal immigrants in the EU has been observed. As a result, Bulgaria has become one of the most affected member states of the EU. This article aims to research the main factors, resulted from the illegal immigration, which are changing the national security environment in Bulgaria. This paper is focused on the improvement of legal and political mechanisms for cooperation between the EU member states, coming from the Common asylum and immigration policy and building of the Area of Freedom, Security and Justice in the EU.