Hacking is a phenomenon that is sweeping the globe.With more individuals migrating online and doing nearly every work that they can, it is expected that hacking and other similar assaults will rise with time. Our personal, financial, and commercial information can all be available online, which is a bonanza for hackers all around the globe.We must understand how to secure our personal and financial information and ensure that we are protected from any hacking attempt. Using Kali Linux to do a penetration test may be one of the greatest methods to identify our system's weaknesses and how to guard against a hacker exploiting them.This handbook will discuss how to do a penetration test using the Kali Linux system and how we can utilize this to keep our networks secure. In addition to working with the penetration test, we will look at how to safeguard our identity online, download the Kali Linux system in several methods, and work with various hacking tactics so that we may constantly be on the alert for harmful attackers.