The 8 best Security Fundamentals 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

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. Discover the foundational principles of Information Security and Incident Handling in this comprehensive course. You'll gain essential knowledge about key concepts, risk management, vulnerability assessments, and incident response frameworks. With guidance from experts Daniel and Adam, you’ll learn how to assess risks, manage vulnerabilities,

Penetration testing from zero — network attacks, web app hacking, and post-exploitation.

Jason Dion's complete prep for the CompTIA Security+ certification exam.

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

Security analyst fundamentals: network security, incident response, forensics, and compliance.

Information security management, risk assessment, and audit readiness.

Free, definitive web application security training with interactive labs from the makers of Burp Suite.