NATO Cooperative Cyber Defence Centre of Excellence

Acronym: CCDCOE

Established: 2008

Address: Filtri tee 12, 10132 Tallinn, Estonia

Website: https://www.ccdcoe.org/

NATO Cooperative Cyber Defence Centre of Excellence (CCD COE) is a NATO-accredited research and training facility dealing with education, consultation, lessons learned, research and development in the field of cybersecurity.

The Centre is open to all NATO member states, but cooperation projects are also conducted jointly with NATO’s partner countries, academia and the private sector.

The Centre’s current sponsoring nations are:

21px Flag of Albania.svg Albania23px Flag of the Czech Republic.svg Czechia23px Flag of Greece.svg Greece23px Flag of Lithuania.svg Lithuania21px Flag of Norway.svg Norway23px Flag of Slovenia.svg Slovenia
23px Flag of Belgium %28civil%29.svg Belgium20px Flag of Denmark.svg Denmark23px Flag of Hungary.svg Hungary23px Luxembourg23px Flag of Poland.svg Poland23px Flag of Spain.svg Spain
23px Flag of Bulgaria.svg Bulgaria23px Flag of Estonia.svg Estonia21px Flag of Iceland.svg Iceland23px Flag of Montenegro.svg Montenegro23px Flag of Portugal.svg Portugal23px Flag of Turkey.svg Türkiye
23px Flag of Canada %28Pantone%29.svg Canada23px Flag of France.svg France23px Flag of Italy.svg Italy23px Flag of the Netherlands.svg Netherlands23px Flag of Romania.svg Romania23px Flag of the United Kingdom.svg United Kingdom
23px Flag of Croatia.svg Croatia23px Flag of Germany.svg Germany23px Flag of Latvia.svg Latvia23px Flag of North Macedonia.svg North Macedonia23px Flag of Slovakia.svg Slovakia23px Flag of the United States.svg United States

The Centre’s current contributing participants are:

23px Flag of Austria.svg Austria23px Flag of Ireland.svg Ireland23px Flag of Sweden.svg Sweden
23px Flag of Australia %28converted%29.svg Australia23px Flag of Japan.svg Japan16px Flag of Switzerland %28Pantone%29.svg  Switzerland
23px Flag of Finland.svg Finland23px Flag of South Korea.svg South Korea23px Flag of Ukraine.svg Ukraine

The CCD COE’s ‘Tallinn Manual‘ is a very detailed and elaborate study of how international law applies to cyberspace with regard to warfare. It was written at the invitation of the Tallinn-based NATO Cooperative Cyber Defence Centre of Excellence and published by Cambridge University Press. The manual and its follow-up, the Tallinn Manual 2.0, have become influential resources for legal advisers and policy experts dealing with cyber issues. The Tallinn Manual 2.0, released in February 2017, expands the scope of the original manual and analyzes how international legal principles can be applied to cyber operations.