Tikk, Eneken, Kristine Hovhannisyan, Mika Kerttunen, and Mirva Salminen. Cyber Conflict Fact Book: Effect-Creating State-on-State Cyber Operations. Jyväskylä: Cyber Policy Institute, 2019.

Kerttunen, Mika, and Eneken Tikk. Strategically Normative. Norms and Principles in National Cybersecurity Strategies In EU Cyber Direct., 2019.

Tikk, Eneken, Kadri Kaska, and Liis Vihul. International Cyber Incidents: Legal Considerations. Tallinn, Estonia: Cooperative Cyber Defence Center of Excellence, 2010.

Tikk, Eneken. Cyber Attacks Against Georgia: Legal Lessons Identified. Tallinn, Estonia : Cooperative Cyber Defense Center of Excellence, 2008.