The main topics of interests include:· network security· cryptography and data protection· peer-to-peer security· security of wireless sensor networks· security of cyber physical systems· security of Internet of Things solutions· heterogeneous networks security· privacy-enhancing methods· covert channels· steganography and watermarking for security applications· cryptographic protocols· security as quality of service, quality of protection· data and application security, software security· security models, evaluation, and verification· formal methods in security· trust and reputation models· reputation systems for security applications· intrusion tolerance· system surveillance and enhanced security· cybercrime: threats and countermeasures· 5G Security· DDoS attacks: detection and mitigation· Security of Smart Grid systems