Have you ever wondered why your computer or smartphone was attacked by a virus?Do you want to learn the fundamentals of ethical hacking and understand how to improve the security of your network, even if you are a beginner? If you answered yes to any of these questions, then this is the book for you. It is almost impossible to imagine our daily lives without a smartphone or a computer. Inside these devices, we store all our personal data (such as photos, documents, videos, etc...) and professional data (such as passwords, accounts, various documents). How to defend all this from possible unauthorized intrusions? The term hacking means the set of methods, techniques and operations implemented by a person (hacker) with the aim of knowing, entering and modifying a computer system hardware or software. If you know the operations that hackers perform to enter a computer network, then you can understand how to prevent them. This book walks you through an easy-to-understand, step-by-step procedure that is ideal for a beginner who is intent on acquiring basic hacking and network security skills. Within this book you will find:How to prevent the risks of infected emails How to protect yourself from external devices How to install Kali Linux and other open-source tools to become a hacker; How to understand the processes behind a successful penetration test. Want to learn more? ¿¿Click on Buy Now to Get Started! ¿¿