CONTENTS: 1. OS and network security / Roberto Di Pietro and Nino Vincenzo Verde 2. Authentication / Roberto Di Pietro and Nino Vincenzo Verde 3. Classification of attacks on cryptographic protocols / Luca Spalazzi and Simone Tacconi 4. Wi-fi security / Sufian Yousef 5. Auditing, penetration testing and ethical hacking / Frank Leonhardt 6. VoIP security issues / Frank Leonhardt 7. …