Highlighting problems and issues related to investigation of wireless attacks in different types of networks including cellular, WLAN, and WMAN technologies, this book begins with the basic concepts involved in digital forensic investigation of security incidents. The second section relates the theoretical aspects of digital investigation analysis, while the third discusses techniques for tracing intrusion steps and sources for both wireless and wired networks. The final section specifies applications and shows techniques and methods for conducting a structured digital investigation in communication networks as well as mobile devices including SIM and US1M cards.