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

FutureLearn

University of York

The Mathematics of Cryptography: From Ancient Rome to a Quantum Future (FutureLearn)

Security & Networking

Dive into the fascinating world of cryptography with 'The Mathematics of Cryptography: From Ancient Rome to a Quantum Future'. This course takes you on an intellectual journey through the ages, exploring how cryptology has evolved from ancient civilizations to the cutting-edge realm of quantum computing. Whether you're intrigued by historical code-breaking techniques or eager to understand the future of secure communications, this course is your gateway to mastering the mathematics behind cryptography.

Self Paced

3 Weeks

Cryptography Encryption Mathematics

Computer Architecture with an Industrial RISC-V Core [RVfpga] (edX)

EdX

Linux Foundation,LinuxFoundationX

Computer Architecture with an Industrial RISC-V Core [RVfpga] (edX)

Security & Networking

Dive into the world of Computer Architecture with our comprehensive course that focuses on implementing an Industrial RISC-V Core targeted for RVfpga platforms. This practical guide will equip you with hands-on skills in designing a RISC-V System-On-Chip (SoC) and utilizing simulation tools to bring your architecture to life.

Self Paced

Self-Paced

Computer Architecture FPGA RISC-V

Coursera

Microsoft

Cybersecurity Threat Vectors and Mitigation (Coursera)

Security & Networking

Dive into the world of Cybersecurity with our expert-led course designed to equip you with the skills needed to identify and mitigate potential threats. From understanding threat vectors to mastering encryption techniques and navigating compliance requirements, this course offers a holistic approach to safeguarding your digital presence.

Sep 21st 2026

5-12 Weeks

Cryptography Encryption Information Security

Coursera

Microsoft

Cybersecurity Identity and Access Solutions using Azure AD (Coursera)

Security & Networking

Dive into the essential aspects of cybersecurity identity and access management with this specialized course. Learn how to fortify your organization’s security posture by mastering Azure AD for robust authentication and authorization processes. This course is designed for professionals seeking to enhance their knowledge in IAM, ensuring data protection and compliance.

Sep 21st 2026

4 Weeks

Information Security Cybersecurity Identity

Coursera

Microsoft

Cybersecurity Solutions and Microsoft Defender (Coursera)

Security & Networking

Dive into the world of Cybersecurity Solutions and Microsoft Defender with this expert-led course. Designed to equip you with the knowledge and tools needed to fortify your organization's defenses against cyber threats, this course covers essential topics such as cloud security policies, DDoS attacks prevention, firewall breaches mitigation, and unauthorized access control. Learn how to leverage MS Defender for Cloud, SIEM, and SOAR technologies to automate responses and enhance overall security posture.

Sep 21st 2026

4 Weeks

Security Information Security Cybersecurity

Coursera

Illinois Tech

Computer Networking (Coursera)

Security & Networking

Discover the basics of Computer Networking with this engaging online course from Coursera. Designed for beginners, this program covers key topics such as network protocols, hardware essentials, and services that form the backbone of modern communication systems. Whether you're looking to start a career in IT or enhance your current skill set, this course provides a solid introduction to networking principles.

Sep 21st 2026

4 Weeks

Computer Networking TCP UDP

Coursera

Microsoft

Cybersecurity Tools and Technologies (Coursera)

Security & Networking

Dive into the world of Cybersecurity with our expert-led course on Cybersecurity Tools and Technologies. Gain hands-on experience with industry-standard tools to protect your network from cyber threats. From understanding penetration testing strategies to interpreting security scan results and implementing mitigation strategies, this course covers it all.

Sep 21st 2026

4 Weeks

Security Cloud Computing Cybersecurity

Coursera

IBM

Introduction to Cybersecurity Careers (Coursera)

Security & Networking

Embark on a journey into the exciting field of cybersecurity with our introductory course designed to equip you with the knowledge needed to pursue a successful career in information security. Explore the expanding job market, understand different roles, and find out how to carve your path in this high-demand sector.

Sep 21st 2026

4 Weeks

Information Security Cybersecurity CompTIA

Cybersecurity Capstone and Case Studies (edX)

EdX

IBM

Cybersecurity Capstone and Case Studies (edX)

Security & Networking

Dive into real-world cybersecurity challenges with our 'Cybersecurity Capstone and Case Studies' course. Learn from actual data breaches, understand incident response methodologies, and explore various security models to develop effective strategies for securing modern organizations. This course is part of the prestigious IBM Cybersecurity Analyst Professional Certificate program.

Self Paced

Self-Paced

Security Cybersecurity Cyber Attacks