Home2003 Treaties and Agreements ...Ireland (03-131) – Agreement Concerning Security Measures for the Protection of Classified Military Information hide Ireland (03-131) – Agreement Concerning Security Measures for the Protection of Classified Military Information TIAS Office of Treaty Affairs January 31, 2003 Defense: Security of Information Agreement signed at Dublin January 31, 2003; Entered into force January 31, 2003. Download Attachment [490 KB] Tags Defense Ireland Treaties