The document discusses security challenges in the current world order. It analyzes how the concept of security has evolved over time from the end of World War II to the present day. This includes the rise of non-state actors, privatization of the military, international terrorism, and new threats like cyber warfare. The document questions whether traditional approaches to security studies are still adequate given changes in the threats faced. It argues a holistic approach is needed but existing frameworks may need refinement to fully address today's complex security environment.