Best Free CS: Systems, Security & Networking Courses & MOOCs

Coursera

Infosec

OWASP Top 10 - Risks 6-10 (Coursera)

Security & Networking

Dive into the critical aspects of web application security with our OWASP Top 10 Risks 6-10 course. This course will equip you with a deep understanding of common vulnerabilities such as Vulnerable and Outdated Components, Identification and Authentication Failures, Software and Data Integrity Failures, Security Logging and Monitoring Failures, and Server-Side Request Forgery (SSRF). Through engaging content including demos and real-life examples, you'll learn how to identify these risks and take the necessary steps to mitigate them.

Sep 28th 2026

5-12 Weeks

Security Coursera Plus OWASP Top 10 - 2021 Specialization

Coursera

Infosec

Previous OWASP Risks (Coursera)

Security & Networking

Dive into the specifics of three significant security threats that have been consolidated in the latest OWASP Top Ten 2021 list. This course offers an in-depth look at XML External Entities (XXE), Cross-Site Scripting (XSS) and Insecure Deserialization, providing you with a thorough understanding of these risks to enhance your cybersecurity strategies.

Sep 28th 2026

4 Weeks

Security Security Risks Coursera Plus

Coursera

(ISC)²

Security Operations (Coursera)

Security & Networking

Dive into the world of Security Operations with this advanced online course. Gain expertise in securing data and systems, implementing risk mitigation strategies, and fostering secure behaviors among your team. This course is part of a Specialization that covers all aspects of cybersecurity from theory to practice.

Sep 28th 2026

5-12 Weeks

Cryptography Security Encryption

Coursera

(ISC)²

Security Principles (Coursera)

Security & Networking

Embark on your journey into the world of cybersecurity with 'Security Principles', the first course in this comprehensive Specialization offered by Coursera. This course is designed for those looking to understand the core principles of information security and how to protect digital assets effectively. By the end, you'll be equipped with the knowledge to discuss key concepts like risk management, security controls, and ethical considerations in cybersecurity.

Sep 28th 2026

5-12 Weeks

Security Risk Management Cybersecurity

Coursera

(ISC)²

Access Control Concepts (Coursera)

Security & Networking

Dive into the world of Access Control Concepts with this specialized online course from Coursera. Gain a deeper understanding of both physical and logical access control measures, explore why access is necessary, and learn how to effectively manage access within an organizational context. This course is ideal for information security professionals looking to enhance their knowledge and skills in securing sensitive resources.

Sep 28th 2026

5-12 Weeks

Access Control Certified in Cybersecurity Specialization

Coursera

(ISC)²

Incident Response, BC, and DR Concepts (Coursera)

Security & Networking

Dive into the world of Incident Response, Business Continuity, and Disaster Recovery planning with our specialized course. Gain essential skills to maintain your organization's operational continuity during unexpected events. This course is designed for professionals who want to safeguard their organizations' resources and ensure business resilience.

Sep 28th 2026

5-12 Weeks

Disaster Recovery Incident Response Certified in Cybersecurity Specialization

Coursera

EC-Council

Digital Forensics Essentials (DFE) (Coursera)

Security & Networking

Embark on a journey into the world of Digital Forensics with our Essentials course. Whether you're new to the field or looking to enhance your expertise, this course offers an in-depth exploration of Computer Forensics Fundamentals, Investigation Process, and advanced topics like Dark Web, Windows & Linux systems, Malware analysis, and more. Gain practical experience through interactive labs and become a proficient digital investigator.

Sep 28th 2026

5-12 Weeks

Windows Linux Malware

Coursera

EC-Council

Ethical Hacking Essentials (EHE) (Coursera)

Security & Networking

Embark on your journey into the world of cybersecurity with Ethical Hacking Essentials (EHE) on Coursera. This course is designed for beginners who want to understand ethical hacking and penetration testing basics. Gain insights into computer and network security concepts, including threats, vulnerabilities, password cracking techniques, web application attacks, IoT and OT security challenges, cloud computing security, and the fundamentals of pentesting. With practical hands-on experience, this course equips you with essential skills for a career in cybersecurity.

Sep 28th 2026

5-12 Weeks

Malware Information Security Cybersecurity

Coursera

EC-Council

Network Defense Essentials (NDE) (Coursera)

Security & Networking

Embark on a journey into the world of cybersecurity with Network Defense Essentials (NDE) from Coursera. This foundational course is perfect for beginners looking to build a career in information security. You'll explore essential concepts such as identification, authentication, authorization, virtualization, cloud computing, wireless networks, mobile and IoT devices, and data protection strategies.

Sep 28th 2026

5-12 Weeks

Cryptography Cloud Computing Information Security