This book is written only for educational purposes and is a comprehensive guide to ethical hacking and cybersecurity. By reading this book one can easily clear their doubts and concepts regarding ethical hacking and cybersecurity. This book contains chapters on ethical hacking. cybersecurity, cyber attacks, phishing attacks, keyloggers, MITM attacks, DDoS attacks. encryption and decryption, Phishing attacks, Sniffing, Social Engineering, Network Scanning, etc.The author of this book is Abhinav Ojha who is 21 years old digital entrepreneur, blogger, writer, developer, digital marketer, and poet. He loves to explore technology. Abhinav Ojha is one of the youngest ASO experts and app marketing experts in the world. He is the founder and CEO of enterstor private limited. Abhinav Ojha recently won the Indian Achievers award, Young Achievers award, International Achievers award, Best author of the year award, and top 50 influential personalities of 2021.