Бурячок, В.Л., Корченко, О.Г., Хорошко, В.О. and Кудінов, В.А. 2013. An evaluation strategy of state security level from the risk of external cyber influence. Ukrainian Information Security Research Journal. 15, 1 (Mar. 2013), 5–14. DOI:https://doi.org/10.18372/2410-7840.15.4207.