About the reviewer

Kuldeep Vilas Sonar is a cyber security expert with almost 8 years' comprehensive experience in various vertical fields of cyber security. His domain expertise is mainly in cybercrime investigations, vulnerability assessment, and penetration testing. He holds a master's degree in computer applications and several industry-recognized certifications, including CCNA, CCNA Security, CEH, IoT Security Essentials, and Cyber Security for IoT. He has delivered training and consultation for organizations in India, the U.S., and Singapore.

I would like to express my sincere gratitude to the many people who have been extremely helpful in technically reviewing this book. Special thanks to my teacher and inspiration Prof. Hemant Patil. I am always thankful to my mother, Ranjana; father, Vilas, wife, Sandhya; lovely son Ninad; and the rest of my family and friends, who always supported and encouraged me in spite of all the time it took me away from them.