Irish security forces is a term used to describe all security forces of the Republic of Ireland. The term was widely used to refer to the various security operations undertaken by the Irish state during The Troubles, and still continues to be used to describe security operations aimed at undermining the ongoing dissident Irish Republican campaign.
They consist of the following organisations;
Department of DefenceDefence ForcesArmyArmy Ranger Wing (ARW)Ordnance Corps Explosive Ordnance Disposal (EOD)Air CorpsNaval ServiceDirectorate of Military IntelligenceNational Security Intelligence Section (NSIS)Defence Intelligence SectionCommunications and Information Services Corps (CIS) SIGINTMilitary Police CorpsDepartment of Justice and EqualityAn Garda SíochánaCrime and Security Branch (CSB)Special Detective Unit (SDU)Emergency Response Unit (ERU)National Surveillance Unit (NSU)Airport Police ServiceDublin Harbour PoliceDún Laoghaire Harbour PoliceDepartment of FinanceRevenue CommissionersCustomsDepartment of Communications, Energy and Natural ResourcesNational Cyber Security CentreDepartment of Jobs, Enterprise and InnovationDirector of Corporate Enforcement