android安全，In this book, we analyze the Android platform and applications in the context of security concerns and threats. This book is targeted towards anyone who is interested in learning about Android security or the strengths and weaknesses of this platform from a security perspective. We describe the Android OS and application architecture and then proceed to review security features provided by the platform. We then describe methodology for analyzing and security testing the platform and applications. Towards the end, we cover implications of Android devices in the enterprise environment as well as steps to harden devices and applications. Even though the book focuses on the Android platform, many of these issues and principles can be applied to other leading platforms as well.-The security of Android