The Cooperative Cyber Defence Centre of Excellence (CCD COE) in Tallinn, Estonia was accredited as a NATO Center of Excellence on May 14, 2008, in order to enhance NATO’s cyber defence capability. It is an international military organization whose mission is to enhance the capability, co-operation and information sharing among NATO, NATO nations and Partners in cyber defence by virtue of education, research and development, lessons learned and consultation. It conducts research and training on cyber warfare and has a staff of 30, including specialists from the sponsoring countries.