Defense Security Service (DSS)
Управління служби безпеки (MO США)
Управління служби безпеки (MO США)
distributed surveillance system (DSS)
security agreement (information security, NATO)
Council of National Security and Defense of Ukraine (CNSDU)
defense and Security Directorate (NATO)
Defense Security Cooperation Agency (DSCA)
Royal United Services Institute for defense and Security Studies (RUSI)
Central Security Service (CSS)
Security Service of Ukraine (SSU)
Danish Security and Intelligence Service
United States Air Force Security Service
sea surface drone (unique invention of Security Service of Ukraine - SSU)