Primarily, this chapter will provide a brief overview of the topics that will be covered throughout this book. It will cover all of the aspects associated with hacking, from how to perform hacking to protecting your system from being hacked. Later in the chapter, we will discuss the concept of hacking, discussing three types of hackers: white hat hackers, black hat hackers, and grey hat hackers. Toward the end of the chapter, we will illustrate some real-time hacking applications.

This chapter will address the following questions:

• What's in this book?
• What is hacking?
• Why should we learn about hacking?
• A glimpse of hacking