This document provides an introduction to cybercrime. It discusses how cybercrime is a widespread problem that jeopardizes personal security, major corporations, banks, and governments. Large organized crime rings now operate like start-ups, constantly devising new internet attacks. Today's organized cybercrime vastly outnumbers past lone hackers. Because so much data is available to exploit, cybersecurity is now critical. The document also notes how the modern world relies heavily on the internet, but most users have little understanding of how data transfers safely or how hackers are able to bypass security measures.