Todorov, Yavor. "Maritime Cyber(in)security: A Growing Threat Imperils EU Countries." Connections: The Quarterly Journal 20, no. 3 (2021): 73-91.

Berizzi, Fabrizio, Amleto Gabellone, Enzo Dalle Mese, Amerigo Capria, Marco Martorella, and Walter Matta. "MSA System Concept for Mediterranean Sea Surveillance." Information & Security: An International Journal 27, no. 2 (2011): 183-206.

Mednikarov, Boyan, Nedko Dimitrov, and Kalin Kalinov. "Applying the System Approach to the Study of Critical Infrastructure." Information & Security: An International Journal 22 (2007): 138-150.

Mednikarov, Bojan, and Kiril Kolev. "Terrorism on the Sea, Piracy, and Maritime Security." Information & Security: An International Journal 19 (2006): 102-114.

Tagarev, Todor, and Petya Ivanova. "Developing an Architecture for Naval Sovereignty Operations Center." Information & Security: An International Journal 16 (2005): 29-37.