Security is a pivotal concept in the study of international relations. States and non-state actors operate in an anarchic self-help international system where states depend on themselves and the international or regional security systems they have created with their allies to survive. In this unit, you are to study contemporary security issues that pose a threat to all states, non-state entities, and human beings around the world. You are to appraise the international, regional, or national security strategies used by PNG or other countries to address these contemporary security issues and attempt to propose workable solutions