National security Foreign relations 23 Military policy 20 Politics and government 16 Defenses 15 Security, International 15 Terrorism 15 Prevention 13 Law and legislation 12 Military readiness 12 International relations 11 Security measures 10 Government policy 9 Intelligence service 8 Armies 7 Computer security 7 Computer networks 6 European Union 6 Internal security 6 International cooperation 6 Strategy 6 Civil defense 5 Diplomatic relations 5 Social aspects 5 Sécurité nationale 5 Vocational guidance 5 World politics 5 Civilian-based defense 4 Data protection 4 Economic policy 4