This document provides an introduction to cyber security. It defines cyber security as protecting online information through online services. It discusses the increasing security threats as more people go online. It then defines the term "cyber" and discusses major security problems like viruses, hackers, malware, Trojan horses, and password cracking. It provides examples of each threat and recommends solutions like installing security suites, using strong passwords, and being aware of international cyber crime statistics. The conclusion encourages spreading cyber security awareness.