The document discusses cyber crime and security. It defines cyber crime as criminal activities involving computers, such as hacking, stealing data, and identity theft. The document outlines several types of cyber crimes like hacking, denial of service attacks, software piracy, and cyber terrorism. It also discusses cyber security measures that can help prevent cyber crimes, such as using antivirus software, firewalls, and strong passwords. The document concludes that cyber crimes are increasing and that cyber security is needed to help protect against online threats.