On social network engineering for secure web data and services / Luca Caviglione, Mauro Coccoli, Alessio Merlo -- Identity, credibility, and trust in social networking sites: old issues, new mechanisms, and current challenges for privacy and security / Stefania Manca, Maria Ranieri -- Access control models for online social networks / Rula Sayaf, Dave Clarke -- Social interactions and automated detection tools in cyberbullying / Michael J. Moore ... [et al.] -- Social networks and collective intelligence: a return to the agora / Manuel Mazzara ... [et al.] -- Distributed social platforms for confidentiality and resilience / Enrico Franchi, Michele Tomaiuolo -- Retrieval of personal public data on social networks: the risks for privacy / Francesca Carmagnola, Francesco Osborne, Ilaria Torre -- Privacy issues in social networks / Alexandros Papanikolaou ... [et al.] -- A graph-based approach to model privacy and security issues of online social networks / Luca Caviglione, Mauro Coccoli, Alessio Merlo -- Security and privacy of online social network applications / Willem De Groef ... [et al.] -- On the use of formal methods to enforce privacy-aware social networking / Néstor Cataño Collazos, Sorren Christopher Hanvey, Camilo Rueda Calderón -- Web malware that targets web applications / Ammar Alazab, Jemal H. Abawajy, Michael Hobbs.