operations security (OPSEC)

operational security (OPSEC)

operational security (OPSEC) measures

security agreement (information security, NATO)

security in retrograde operations

security operations

Joint Information Operations Center /Joint Intelligence Operations Center (JIOC)

special operations forces operations (SOFOPS)

surface-to-air missile operations center / SAM operations center (SAMOC)

air-ground operations operations section

all-around security

all-embracing system of international security

area security

Area Security Coordination Center (ASCC)

army intelligence and security

Assistant Secretary General for Political Affairs and Security Policy

Assistant to the President for National Security Affairs

battlefield security

border (security) forces /troops

border security

Central Security Service (CSS)

centres for security studies

civilian security experts

collective security

collective security actors

collective security system

Collective Security Treaty (CST)

Collective Security Treaty Organization (CSTO)

combat security

combat security forces

combined arms security force

Common Foreign and Security Policy (CFSP, EU)

common security