Android security : attacks and defenses Preface xvi Android Security: Attacks and Defenses Audience Our book is targeted at security architects system administrators enterprise SDLC managers developers white hat hackers penetration testers IT architects CIOs students and regular users. If you want to learn about Android security features possible attacks and means to prevent them you will find various chapters in this book as a useful starting point. Our goal is to provide readers with enough information so that they can quickly get up and running on Android with all of the basics of the Android platform and related security issues under their belts. If you are an Android hacker or if you are very well versed in security concerns of the platform this book is not for you. Support Errata and support for this book are available on the CRC Press website and on our site: www.androidinsecurity.com. Our site will also have downloads for applications and tools created by the user. Sample applications created by the authors are available on our website under the Resource section. Readers should download apk files from our website and use them in conjunction with the text wherever needed. Username: android Password: ISBN 10 number of the book 1439896461 Structure Our book is divided into 10 chapters. Chapter 1 provides an introduction to the mobile landscape. Chapters 2 and 3 introduce the reader to the Android OS and application architecture respectively. Chapter 4 delves into Android security features. Chapters 5 through 9 cover various aspects of security for the Android platform and applications. The last chapter looks at the future landscape of threats. Appendixes A and B (found towards the end of the book) talk about the severity ratings of