Irish security forces
# Irish security forces

Irish security forces refer to the various security forces of Ireland. Among other roles, they carry out efforts to undermine the ongoing dissident Irish republican campaign since the Troubles. They consist of the following organisations;

## Department of Justice

* Garda Síochána
   * Crime and Security Branch (CSB)
      * Special Detective Unit (SDU)
         * Emergency Response Unit (ERU)
      * National Surveillance Unit (NSU)
* Airport Police Service
* Dublin Harbour Police
* Dún Laoghaire Harbour Police
