Communication and Network Security

Updated in May 2025. This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. In this course, you will dive into the complexities of communication and network security, aligned with the latest CISSP curriculum. You will start by exploring key networking models such as the OSI and TCP/IP, understanding how different layers contribute to secure data transmission. Through examining network transmission media and transport…