Explore the fundamentals of networks and network security in this introductory talk by White Hat Cal Poly's President Cristina Formaini and Vice President Peter Faiman. Delve into various network layers, including the Network Layer and Transport Layer, and understand key concepts such as Network Address Translation, TCP, and TCPIP. Learn about potential network vulnerabilities and attack methods, including fingerprinting, Denial of Service, IP spoofing, and NGP reflection. Gain insights into protective measures like packet sniffers and firewalls. This 29-minute presentation offers a comprehensive overview of essential networking topics, making it an ideal starting point for those interested in cybersecurity and network infrastructure.