The engagement and use of Information and Communications Technologies has increased exponentially across societies worldwide with implications for social and psychological development in young people. In this context, the risk of negative sexual experience and victimisation online is known to have real world consequences for young people. This paper seeks to: explore the nature of adolescent risk taking online behaviour from a group of young adults in different European countries; develop types of online risk profiles; explore the impact of help-seeking and to consider the potential real world harmful consequences.