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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

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05.06.2026

Experts review DFIR challenges and solutions from Locked Shields 2026

From 2–4 June, the NATO Cooperative Cyber Defence Centre of Excellence (CCDCOE) hosted the annual Locked Shields Forensic Workshop, where ex...

27.05.2026

Global cyber experts address the future of cyber conflicts at CyCon 2026

The 18th International Conference on Cyber Conflicts, CyCon 2026: Securing Tomorrow, opened today in Tallinn, bringing together nearly 800 p...

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Locked Shields

Crossed Swords

International Conference on Cyber Conflict – CyCon

The Tallinn Manual

Recent publications

2026

International Legal Perspectives on Cyber Operations: A Common Baseline for NATO Allies

The overall international legal framework has not changed in the last few decades. What has changed is the maturity of...

2026

18th International Conference on Cyber Conflict: Securing Tomorrow

Proceedings of the 18th International Conference on Cyber Conflict: Securing Tomorrow, taking place on 26-29 May 2026 in Tallinn. Foreword...

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The NATO Cooperative Cyber Defence Centre of Excellence

ccdcoe-at-ccdcoe.org
+372 7176 800
Filtri tee 5, Tallinn 10132, Estonia

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