Locked Shields

Locked Shields is an annual cyber defence exercise organised by NATO's Cooperative Cyber Defence Centre of Excellence in Tallinn since 2010. The format is usually that a red team simulates a hostile attack while blue teams from the participating nations simulate their coordination and defence against this.[1]

The performance of teams is assessed using a mix of automated and manual scoring.[2] In 2022, there were 24 teams with an average of 50 experts in each team.[3] The team from Finland was declared as the 2022 winner for the excellence of their situation reporting and solid defence.[4]

References
  1. Smeets, Max (4 July 2022), "The Role of Military Cyber Exercises: A Case Study of Locked Shields", 2022 14th International Conference on Cyber Conflict: Keep Moving! (CyCon), IEEE, pp. 9–25, doi:10.23919/CyCon55549.2022.9811018, ISBN 978-9916-9789-1-7, S2CID 250292435
  2. Gheorghe, A. V.; Tatar, U.; Gokce, Y. (20 July 2017), Strategic Cyber Defense: A Multidisciplinary Perspective, IOS Press, p. 188, ISBN 978-1-61499-771-9
  3. Locked Shields, NATO Cooperative Cyber Defence Centre of Excellence, 2023
  4. "World's largest cyber defense exercise Locked Shields kicks off in Tallinn", Helsinki Times, 19 April 2023
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