Romanova, Anna, and Sergiy Toliupa. “STEGANOGRAPHY METHODS USED IN ATTACKS ON INFORMATION AND COMMUNICATION SYSTEMS”. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, vol. 8, no. 4, Dec. 2018, pp. 24-27, doi:10.5604/01.3001.0012.8021.