 The Irish Defence Forces Communications and Information Services Corps (CIS) and Directorate of Military Intelligence are responsible for SIGINT and cyber surveillance in Ireland, supported by the "Garda Síochána" (Irish National Police) Crime & Security Branch (CSB).The Republic of Ireland operates a policy of military neutrality.However, it is understood that the military and police intelligence agencies in Ireland cooperate with the ECHELON network, sharing information and receiving information in return.