The analysis of terrorism is output to the system level of global dangers. it is shown that unbalance of inter-regional and international relations inevitably leads to transformation of terrorism from global danger to the global threat. Terrorism has become a scale of world width phenomenon, and real possibilities of movement organizers allow considering the dynamic of terrorism as a global potential danger for peaceful humanity development. only total activation of civil society, educational, and scientific mechanisms into anti-terrorist policy can ultimately narrow down a social base of the international terrorism, and prevent the global threat.