security officer

field officer (field-grade officer / senior officer)

security agreement (information security, NATO)

ship security officer

security сlassification control officer

security сontrol officer

non-commissioned officer (NCO) / noncomissioned officer

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

communications and electronic security

communications security (COMSEC)

communications security procedures