Leinhos, Ludwig. "Cyber Defence in Germany: Challenges and the Way Forward for the Bundeswehr." Connections: The Quarterly Journal 19, no. 1 (2020): 9-19.

Monov, Lyubomir, and Maksim Karev. "How to Counter Hybrid Threats?" Information & Security: An International Journal 39, no. 2 (2018): 113-126.