This document discusses ethical hacking and how to protect computer systems. It outlines the different types of hackers, including their motivations and skill levels. The document also covers the process of ethical hacking, how to protect systems from attacks, and what to do if a system becomes compromised. It argues that ethical hacking is legal when done with the target's permission, such as for security testing purposes.

1. Ethical Hacking
Nitesh Sayal
1st year

2. Contents
 Overview of Hackers
 Why do Hackers hack?
 Type of Hackers
 Levels of Hackers
 Hackers Language
 Ethical Hacking-Process
 How can protect the system?
 What should do after hacked?
 Final Words

3. Overview of Hacking
 It is legal
Permission is obtained from target
Also called-Attack & Penetration Testing.