Textbook in PDF format

Ethical Hacking Tutorial For Beginners
Hacking has been a part of computing for almost five decades and it is a very broad discipline, which covers a wide range of topics. The first known event of hacking had taken place in 1960 at MIT and at the same time, the term “Hacker” was originated. In this tutorial, we will take you through the various concepts of Ethical Hacking and explain how you can use them in a real-time environment.
This tutorial has been prepared for professionals aspiring to learn the basics of Ethical Hacking and make a career as an ethical hacker.
Before proceeding with this tutorial, you should have a good grasp over all the fundamental concepts of a computer and how it operates in a networked environment