This document provides an overview of security and hacking. It defines security as protection from harm and defines differences between security and protection. It then discusses what hacking and hackers are, provides a brief history of hacking from the 1960s to present day, and describes different types of hackers like white hat and black hat hackers. The document also outlines the hacking process and some common tools used. It lists some famous hackers and recent news stories about hacking.