To participate in the European Cyber Security Challenge 2017 in Spain, please check the Participate section (link) to see which countries are currently part of the event. If your country is on the list, you can contact them through the official website. If your country is not currently involved, please make sure you check the ECSC2018 (link) section for updates.
2. Why should I particpate?
The European Cyber Security Challenge provides the opportunity to meet Europe's best cyber security talent. It allows you to collaborate and network with domain experts, to grow and learn by solving complex challenges and to stimulate your career and job opportunities by meeting industry leading organisations. ECSC proves that you are part of the best, and your skill is unmatched.