Cloud computing is an internet based computing which allows the users to share the resources, software, and the information provided in the cloud environment. This book is designed to give a broad overview of certain strategies of security data in cloud in easily understandable English language, so as the reader can understand with minimal effort. The principles of security in cloud computing environment is discussed in detail from various perspectives. This book would serve as an ideal guide for B.E.. B.Tech., B.S., B.Sc, and B.C.A., undergraduate students of Computer Science and Engineering, Information Technology, Electronics and Communication Engineering, Telecommunication Engineering who wish to take up projects on cloud security. Students pursuing postgraduate course in Science and Engineering, M.E., M.Tech., M.S., M.Sc., and M.C.A. students will find this book useful for their projects. Research Scholars working in the area of cloud security will find this book as a handy reference guide for their M.Phil., Ph.D. and D.Sc., works. Software Engineers involved in IT and ITES sector specifically on cloud security will find the book as a useful resource