Sharkov, George, Christina Todorova, Georgi Koykov, and Ivan Nikolov. "Towards a Robust and Scalable Cyber Range Federation for Sectoral Cyber/Hybrid Exercising: The Red Ranger and ECHO Collaborative Experience." Information & Security: An International Journal 53, no. 2 (2022): 287-302.

Sharkov, George. "Harnessing the Potential of AI Against Covid-19 through the Lens of Cybersecurity: Challenges, Tools, and Techniques." Information & Security: An International Journal 49 (2021): 49-69 .

Sharkov, George, Christina Todorova, Georgi Koykov, and Georgi Zahariev. "A System-of-Systems Approach for the Creation of a Composite Cyber Range for Cyber/Hybrid Exercising." Information & Security: An International Journal 50, no. 2 (2021): 129-148 .

Tagarev, Todor, George Sharkov, and Andon Lazarov. "Cyber Protection of Critical Infrastructures, Novel Big Data and Artificial Intelligence Solutions." Information & Security: An International Journal 47, no. 1 (2020): 7-10.

Tagarev, Todor, and George Sharkov. Computationally intensive functions in designing and operating distributed cyber secure and resilient systems In 20th International Conference on Computer Systems and Technologies, CompSysTech 2019. Vol. ACM International Conference Proceeding Series. Bulgaria: University of RuseRuse, 2019.

Tagarev, Todor, George Sharkov, and Nikolai Stoianov. "Cyber Security and Resilience of Modern Societies: A Research Management Architecture." Information & Security: An International Journal 38 (2017): 93-108.