Гнатюк, Сергій Олександрович. “Cyberterrorism: Development History, Current Trends & Countermeasures”. Ukrainian Scientific Journal of Information Security 19, no. 2 (July 11, 2013): 118–129. Accessed June 14, 2026. http://jrnl.kai.edu.ua/index.php/Infosecurity/article/view/4884.