📘 This book emphasizes the concepts of Requirements Engineering Process and Security System. The author of this book has fused the Security Requirements with Requirement Engineering process and produces a new Framework. Argument and mapping also has been takes place with the current security architecture of Android for validation. This book can be a complete road map for system analyst whoever has involved to develop a software application where security is having high priority and of course it gives a new thought to the researchers to take my effort as his research starting point and bring it to the further high end enhancement, where the application will be more secured and robust.