Pernik, Piret, Jesse Wojtkowiak, and Alex Verschoor-Kirss. National Cyber Security Organization: United States. Tallinn: NATO CCD COE, 2016.

Pernik, Piret, and Tomas Jermalavicius. "Resilience as Part of NATO?s Strategy: Deterrence by Denial and Cyber Defense." In Forward Resilience: Protecting Society in an Interconnected World, 99-112. Washington, D.C.: Center for Transatlantic Relations, Paul H. Nitze School of Advanced International Studies, Johns Hopkins University, 2016.

Hunter, Eve, and Piret Pernik. The Challenges of Hybrid Warfare  . Tallinn, Estonia: International Centre for Defence and Security Toom-Rüütli, 2015.