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NATO Launch World’s Largest Cyber Defense Exercise Locked Shields in Tallinn

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NATO Launch World’s Largest Cyber Defense Exercise Locked Shields in Tallinn

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NATO Launch World's Largest Cyber Defense Exercise Locked Shields in Tallinn
NATO Launch World's Largest Cyber Defense Exercise Locked Shields in Tallinn

The NATO Cooperative Cyber Defense Center of Excellence (CCDCOE) annual cyber defence exercise Locked Shields 2023 started in Tallinn. Locked Shields is a training exercise that pits an attacking Red Team against defending Blue Teams, composed of NATO CCDCOE member states and partner nations. For four days, more than 3,000 participants from 38 nations will protect real computer systems from real-time attacks, and train tactical and strategical decision-making in critical situations. In addition to defending systems, teams must report incidents, execute strategic decisions, and solve forensic, legal, and media challenges.

Locked Shields, the major international cyber defense exercise organized by the NATO CCDCOE, underscores the importance of not just technical expertise, but also strategy and cooperation. Cyber crises require a coordinated effort among decision-makers and experts from diverse government bodies and professions. Locked Shields thus focuses not only on cyber defense, but also on strategy games, legal issues, and crisis communication. In the event of a major cyberattack, swift cooperation is crucial to prevent the escalation of a security crisis. hat exercises like Locked Shields help ensure that we are better prepared to handle such scenarios.

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 The annual exercise Locked Shields started on 18 April 2023 and involved protecting computer systems from real-time attacks and simulating tactical and strategic decisions in critical situations.
The annual exercise Locked Shields started on 18 April 2023 and involved protecting computer systems from real-time attacks and simulating tactical and strategic decisions in critical situations. (Photo by NATO Cooperative Cyber Defense Center of Excellence)

“This past year has shown us how important strength in cyber defence is. Cyber warfare may not be as visible as kinetic warfare, but it is integrated into wartime activities. Ukraine has strong digital competences, and that has meant that their state can keep delivering essential digital services even in wartime. Cyber competence grows through investments, but not only monetary ones – exercises like these, where allies with shared values also exchange know-how and train together, are key to continued resilience,” said Minister of Defence Hanno Pevkur.

The 24 participating Blue Teams represent national cyber Rapid Reaction Teams, deployed to assist a fictional country under large-scale cyberattacks. Their task is to protect the mock state’s information systems and critical infrastructure, like banking system and power plant, from thousands of attacks, make management decisions in a crisis situation, and ensure that decisions are well considered. In addition to training, Locked Shields is also a competitive exercise. In 2022, the Finnish Blue Team came out on top by demonstrating solid network and web defenses, and they excelled in situation reporting.

Locked Shields has been organized in Tallinn by the NATO Cooperative Cyber Defense Center of Excellence (CCDCOE) since 2010. Locked Shields is made possible in partnership with TalTech, Clarified Security, Arctic Security, Bittium, CR14, SpaceIT, Atech, cybensis GmbH, Microsoft, SUTD iTrust Singapore, Fortinet, National Cybersecurity R&D Laboratory, Financial Services Information Sharing and Analsyis Center (FS-ISAC), HAVELSAN , Deepensive, Estonian Defence Forces, NATO Strategic Communications Centre of Excellence, Forestall, Rocket.Chat, Telia and VTT. The CCDCOE is a NATO-accredited knowledge hub for cyber defense, which includes international experts from the military, government, academia, and industry, currently representing 39 sponsoring and contributing nations. The CCDCOE supports mainstreaming cybersecurity into NATO and national governance. The CCDCOE is also responsible for identifying and coordinating education and training for all NATO bodies across the Alliance.

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