1. White House, Presidential decision directive NSC-63: critical infrastructure protection. https://irp.fas.org/offdocs/pdd/pdd-63.htm, 1998 (Accessed 22 October 2021).
2. European Council, Directive 2008/114 - Identification and designation of European critical infrastructures and the assessment of the need to improve their protection. https://www.eumonitor.eu/9353000/1/j9vvik7m1c3gyxp/vitgbgipfoqy#p3, 2008 (Accessed 02 July 2021).
3. A. Renda and B. Hammerli, Protecting critical infrastructure in the EU. CEPS task force report. https://www.ceps.eu/ceps-publications/protecting-critical-infrastructure-eu/, 2010 (Accessed 22 October 2021).
4. M. Sachs, M., Reflections on executive order 13010https://mccrary.auburn.edu/work/insights/reflections-on-executive-order-13010/, 2022 (Accessed 09 Oct 2022).
5. Risk assessment methodologies for critical infrastructure protection. Part I: A state of the art;Giannopoulos;JRC Technical Notes,2012