The world in which we live is becoming ever more complex, both from the viewpoint of ensuring security, and also because of our level of dependence on technology, as represented by so-called critical infrastructure. Despite the efforts of national security entities in the national and international context, terrorist attacks will probably never be completely preventable. This makes it necessary to prepare the functioning of our systems for the occurrence of a terrorist attack so that they will operate quickly and effectively even in this type of crisis.This book presents the papers delivered at the NATO Advanced Skryť popis