This document provides an introduction to ethical hacking and discusses the differences between hackers and crackers. It defines hackers as developers who find solutions to real-life problems, while crackers illegally break into systems. The document discusses career options for students interested in information security and recommends studying computer science, IT, or electronics in Indian universities. It also includes a case study about a woman whose privacy was invaded by a remote attacker and urges developing strong ethics as a hacker to help catch cyber criminals.