Yes, security threats are real - read more about the tactics that you see implemented in the whole story in the second half of the book where you will learn to reconstruction, scan, explore, exploit and remove with the tools and techniques demonstrated in the story. Each hack is real and can be used by you after you have knowledge in this book! Utilizing actual hacking and security tools in the story-helping to familiarize beginners with many devices and their code Introducing the basic techniques of hacking in the context of real life for easy learning Expressed in the words of the hacker / security pro, easy envelops the beginners in the language hack