A Network Steganography Lab on Detecting TCP/IP Covert Channels. - Tanja Zseby; Félix Iglesias Vázquez; Valentin Bernhardt; Davor Frkat; Robert Annessi (IEEE Trans. Educ., 2016)

ChainChannels: Private Botnet Communication Over Public Blockchains. - Davor Frkat; Robert Annessi; Tanja Zseby (iThings/GreenCom/CPSCom/SmartData, 2018)