Today it seems that we are living in an age of crises rather than war. Changes in the security paradigm with the end of Cold War, as well as globalization, have diminished the likelihood of conventional wars. With the growing unpredictability and complexity of security challenges, 'crisis' has become an umbrella concept that is used for any significant event, be it national or international - be it economic, political, military, social or natural, with potentially severe consequences that require prompt action, including terrorist incidents. This highlights the importance of crisis management. Although countering complex threats like terrorism necessitates efforts broader than crisis management, reducing the impact of terrorist attacks and if possible preventing them before happening can be considered to be a part of the comprehensive efforts. In this context, the article is designed to elaborate on the concepts of crisis, terrorism, crisis management and NATO's approach to crisis management.