1. Zaballos, A., Jeun, I.: Best Practices for Critical Information Infrastructure Protection (CIIP). Inter-American Development Bank (IDB) and Korea Internet & Security Agency (KISA) (2016)
2. EU Directive 2008/114/EC: Identification and designation of European critical infrastructures (2008)
3. ISO (International Organization for Standardization): Information Technology—Security Techniques—Information Security Management Guidelines Based on ISO/IEC 27002 for Process Control Systems Specific to the Energy Utility Industry. ISO/IEC TR 27019:2013 (2013)
4. ITU (International Telecommunication Union): Report on Best Practices for a National Approach to Cybersecurity: A Management Framework for Organizing National Cybersecurity Efforts. ITU Study Group Q.22/1, Geneva (2008)
5. Schmitt, M.N.: Tallinn Manual on the International Law Applicable to Cyber Warfare. Prepared for the NATO Cooperative Cyber Defense Center of Excellence. Cambridge University Press, Cambridge (2013)