The staff at Packt Publishing worked inexhaustibly with us to make sure that this book attained the level of quality that we hoped for, and we thank them for their efforts. Without them, this book would not have been possible. It includes not only our publisher, but also the following contributors: Priyanka Shah, Jomin Varghese, Ashish Bhanushali, and fellow reviewers include ABDUL AHAD, Houcem BERRAYANA, Touchapon Kraisingkorn, Mohammad Omer Raza, and Saurabh Srivastava.

Special thanks to Mustafa Qutbuddin, CEO, Royal Cyber. It was because of you that we were able to get this book completed.

Also, special thanks to Syed Basheer, Senior Manager, Royal Cyber, for playing your part and providing perfect guidance to us.