Sharkov, George, Yavor Papazov, Christina Todorovaa, Georgi Koykov, and Georgi Zahariev. "Cybersecurity Tools for Threat Intelligence and Vulnerability Monitoring for National and Sectoral Analysis." In Information Security in Education and Practice. Cambridge Scholars Publishing, 2020.

Sharkov, George, Yavor Papazov, Christina Todorova, Georgi Koykov, and Georgi Zahariev. "MonSys: A Scalable Platform for Monitoring Digital Services Availability, Threat Intelligence and Cyber Resilience Situational Awareness." Information & Security: An International Journal 46, no. 2 (2020): 155-167.

Sharkov, George, Yavor Papazov, Christina Todorova, Georgi Koykov, Martin Georgiev, and Georgi Zahariev. Cyber Threat Map for National and Sectoral Analysis In Computer and Communications Engineering, Workshop on Information Security 2019, 9th Balkan Conference in Informatics., 2019.

Papazov, Yavor, George Sharkov, Georgi Koykov, and Christina Todorova. "Managing Cyber Education Environments with Serverless Computing." In DIGILIENCE 2019. Sofia, Bulgaria, 2019.

Polimirova, Dimitrina, Velizar Shalamanov, Nikolai Stoyanov, Todor Tagarev, Yantsislav Yanakiev, George Sharkov, Yavor Papazov, Vasil Rizov, and Krassimira Ivanova. Cyber Security and Opportunities for Application of Innovative Technologies in the work of the State Administration in Bulgaria. Sofia: Bulgarian Academy of Sciences, 2018.