This presentation discusses cyber security and cyber crimes. It defines cyber security as the technologies and processes used to protect computers, networks, and data from unauthorized access and attacks. It explains the need for security to protect organizations' ability to function safely and protect collected data. Cyber crimes are described as any crimes involving computers and networks, and include computer viruses, denial of service attacks, malware, fraud, and identity theft. The presentation provides an overview of cyber threat evolution over time and the top countries where malicious code originates. It concludes with recommendations for cyber security measures that can be implemented on a campus network, such as virus filtering, firewalls, and using free anti-virus, encryption, and change management software.