A flag ceremony welcoming Greece as member of the NATO Cooperative Cyber Defence Centre of Excellence in Tallinn, Estonia, took place on 3rd  November 2015. Greece joined as “sponsoring nation”.

The NATO Cooperative Cyber Defence Centre of Excellence is a NATO-accredited knowledge hub, think-tank and training facility. The international military organisation focuses on interdisciplinary applied research and development, as well as consultations, trainings and exercises in the field of cyber security. The Centre’s mission is to enhance capability, cooperation and information-sharing between NATO, Allies and partners in cyber defence.