Home2009 Treaties and Agreements ...Korea (09-430) – Memorandum of Understanding Concerning Cooperation on Information Assurance (IA) and Computer Network Defense (CND) hide Korea (09-430) – Memorandum of Understanding Concerning Cooperation on Information Assurance (IA) and Computer Network Defense (CND) TIAS Office of Treaty Affairs April 30, 2009 Defense: Cooperation Memorandum of understanding signed at Washington and Seoul April 30, 2009; entered into force April 30, 2009. Download attachment [1 MB] Tags International Law, Treaties, and Agreements Security and Defense South Korea