This book discusses some of the strategic lines in front of the trends related to the new challenges of global security in this new century: some rather universal problems (migration, terrorism, cyberspace, conflict resolutions techniques in prisons, economic intelligence), as well as more military ones (new conflicts: new world stage, new weapons, new military doctrines, mass destruction weapons and nuclear arms control, outer space and ocean depths), without forgetting some global and conceptual topics (disintegration is driving insecurity, searching for quality in international affairs, shield of security culture through data protection, information society and the protective influence of security culture). A special focus is put on