The Konrad-Adenauer-Stiftung organized in cooperation with the Hybride Warfare Research Institute from September 3rd to 4th, 2021 in Zagreb and under strict hygiene standards a conference about the hybrid security challenges and risks in 21st century. With the participation of Elmar Brok, former member of the European Parliament and chairman of the European Parliament Committee on Foreign Affairs, NATO representatives, other numerous Croatian politicians, including the state secretary of the Croatian Ministry of Health and the Ministry of Foreign and European Affairs, defense and security experts from various universities of Southeast Europe, the debate was about strategic foresight's and hybrid threats, strengthening democracy, protecting freedom and society, with particular reference to the resistance of critical infrastructure.