This document discusses various topics related to state security including theories of security, defense, law and order, and limitations of state protection. It outlines Hobbes' argument that the main task of the state is to provide physical security for citizens through a monopoly on force. It also discusses defense against external threats, conflict resolution methods, military spending, crime and punishment, product safety regulations, and challenges like terrorism and international crime. Realism and idealism are presented as competing theories of international relations with realism emphasizing self-interest and power.