Sumit Kalaria works at Wipro, Pune and is embedded with a global banking & finance client, specialising in securing mobile applications in the pre-development phase and conducting security research on vulnerabilities. Before joining Wipro, he worked with organisations such as RedHunt Labs, Fiserv, SISA Information Security, and Blueinfy Solutions, primarily focusing on application security. He holds a Bachelor of Engineering degree in Computer Engineering and a Master of Technology degree in Information Security from SRM University, Chennai. With over 10 years of experience in application security, vulnerability assessment, and penetration testing, he has contributed to multiple high-stakes projects, ensuring the security and compliance of both web and mobile applications. He combines practical experience with a deep understanding of the theoretical aspects of Android security. Since his current role involves addressing security findings and maintaining compliance for mobile applications, it provides him with firsthand knowledge of the challenges faced by developers and security professionals. With a background in developing APKHunt, a popular open-source tool recognised at Black Hat Asia Arsenal 2023, he brings significant expertise in Android application security. This experience is reflected in the book’s content, offering readers valuable insights drawn from real-world scenarios and field experience.