Cyberspace Safety and Security

This book constitutes the refereed proceedings of the 4th International Symposium  on Cyberspace Safety and Security (CSS 2012), held in Melbourne, Australia, in December 2012. <br>The 30 revised full papers presented together with 7 invited talks were carefully reviewed and selected from 105 submissions. The papers cover the following topics: mobile security, cyberspace attacks and defense, security application adn systems, network and cloud security, wireless security, security protocols and models.