The NATO Cooperative Cyber Defence Centre of Excellence is a multinational and interdisciplinary cyber defence hub

We do research, training and exercises in four core areas: technology, strategy, operations and law

04.11.2025

Cyber operations exercise Crossed Swords gets underway in Tallinn

Today, the NATO Cooperative Cyber Defence Centre of Excellence (CCDCOE) kicked off exercise Crossed Swords 2025 in Tallinn, Estonia, bringin...

24.10.2025

NATO CCDCOE to Research Battlefield Connectivity with Oracle 5G Solutions

The NATO Cooperative Cyber Defence Centre of Excellence (CCDCOE) has chosen Oracle and Oracle partner Druid Software to design, deploy, and ...

Our Flagships

Locked Shields

International Conference on Cyber Conflict – CyCon

The Tallinn Manual

Recent publications

2025

Ukraine as the Frontline of European Cyber Defence: Building Resilience in the Face of Russian Cyber Aggression

The article explores Ukraine’s journey toward the development of its national cybersecurity system, building cyber resilience and cyber defence capabilities...

2025

Addressing State-Linked Cyber Threats to Critical Maritime Port Infrastructure

Maritime ports handle 80% of global trade and serve as critical nodes in NATO’s defence logistics network, yet they face...

Cooperation

Our success is built on mutually beneficial collaboration with various partners. Let us know if you are interested in cooperation with us!

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