The 4 best Network Security courses in 2026

To round out your skills in network administration, in this course, you'll explore network-security fundamentals like passwords, Layer 2 security, wireless security, and remote-access security. You'll also be introduced to automation and programmability as it pertains to making network administration more efficient and effective. Finally, you'll engage in troubleshooting for each of the prior areas of concern, ensuring that you can adequately address any networking problems that might arise. This is the third and final course in a multi-course Specialization. All of the courses in this Speci

In this 1-hour long project-based course, you will create a network topology using cisco packet tracer. Throughout the project, you will be able to authenticate the switches and the router in your the network topology, make PCs from different VLANs communicate with each other, and Finally configure DHCP protocol on the router and be able to protect your switch ports from attackers. This guided project is for people who are interested in getting started in the network security field and for the people interested in computer networking architecture. This guided project will enhance your skills

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. This course provides essential skills in network security, troubleshooting, and preparation for certification exams. You will gain a deep understanding of core networking services, security practices, common network attacks, and effective defense strategies. By the end, you'll be well-prepared to handle network issues and ensure secure operat

Job-ready cybersecurity path: security frameworks, SIEM tools, Linux, SQL, and Python for security.