The main topics of interest include, but are not limited to: network security cryptography and data protection peer-to-peer security wireless networks security security of sensor networks heterogeneous networks security privacy-enhancing methods covert channels steganography and watermarking for security applications security of webservices 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 Legal constraints of security systems Risk analysis and management