This book presents one of the major challenges of the globalization era, with focus on cloud computing and forensic investigation. The menace posed by cybercriminals to organizations which try to step up their security, from cyber attacks, ransomware and Identity fraud, which are yet to be resolved. Inspite, the evolution of cloud computing and new forensic investigation techniques, it equally exposes the security benefits and challenges. It further provides analysis on sources and nature of evidence after forensic investigations for the criminal justice system. A major development in this book, is the simulation and investigation procedure used. A brief insight is provided with case 009, based on the exploitation of the Xaas environment for investigation. It concludes with the procedure for handling digital evidence on selected devices.