Cybercrime is the biggest threat that every organization on the planet faces today! And it's not just the organizations that are vulnerable. People too are at risk of being targeted by hackers.Inside this book we aim to show you the importance of staying on top of this threat by learning how to hack. While it is true that hackers have received a bad rep over the years, mostly due to biased media reporting, not all hackers have criminal intentions. This book is meant to serve as an educational guide for people who are interested in learning some simple hacking tools, tips, and techniques in order to protect yourself and your computer networks. The book will take you through: Terminologies of hackingSteps to download and install kali linuxThe penetration testing lifecycleDedicated chapters on the five stages of the penetration testing lifecycle viz. Reconnaissance, scanning, exploitation, maintaining access, and reportingAnd a bonus chapter on email hackingUnlike malicious hacking, ethical hacking is a legal way to test the vulnerabilities of a system. Many organizations are still wary of ethical hackers, and they have every right to be since some hackers lie for their own benefit. That being said, many organizations are now searching for ethical hackers because they want to identify a way to protect themselves and their customers and employees.