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3. Ferguson DDS (2022) ‘European Cybersecurity Certification Schemes and cybersecurity in the EU internal market.’ Int Cybersecur Law Rev 3:51–114. https://doi.org/10.1365/s43439-021-00044-5
4. Hutchins EM, Cloppert MJ, Amin RM ‘Intelligence-driven computer network defense informed by analysis of adversary campaigns and intrusion kill chains’ (Lockheed Martin 2010). https://www.lockheedmartin.com/content/dam/lockheed-martin/rms/documents/cyber/LM-White-Paper-Intel-Driven-Defense.pdf. Accessed 19 July 2019
5. ‘advanced persistent threat’ (NIST CSRC). https://csrc.nist.gov/glossary/term/advanced_persistent_threat. Accessed 5 Mar 2023