Exercise CYBER COALITION 2025 (CC25) is taking place between 28 November and 4 December, at the Cyber Range 14 (CR14), in Tallinn, Estonia. CYBER COALITION is NATO’s flagship annual cyber defence exercise and one of the largest in the world. The 2025 iteration of this exercise aims to enhance NATO, Allies and partners’ resilience to cyber threats and their ability to conduct cyber operations together. The exercise is based on challenging, realistic scenarios that help prepare cyber defenders for real-life cyber challenges.
By M. Cadiou French Air and Space Force, United States European CommandDec 05, 2025