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

Coursera

University of Colorado System

Planning, Auditing and Maintaining Enterprise Systems (Coursera)

Security & Networking

Discover the secrets of successful system management in the enterprise world with our Planning, Auditing, and Maintaining Enterprise Systems course. Gain insights into crucial aspects such as planning complex systems, auditing for security and performance, and maintaining systems proactively to keep your organization's technology running smoothly and securely.

Jun 29th 2026

5-12 Weeks

Planning Security Auditing

Coursera

Google

Operating Systems and You: Becoming a Power User (Coursera)

Security & Networking

Unlock the potential of major operating systems like Windows and Linux with our 'Operating Systems and You: Becoming a Power User' course. This hands-on learning experience will equip you with the knowledge and practical skills needed to manage, configure, and optimize these critical components of information technology. Whether you're new to IT or looking to advance your current skill set, this course offers an engaging blend of video lectures, demonstrations, and interactive practice sessions.

Jun 29th 2026

5-12 Weeks

Operating Systems Windows Linux

Coursera

Google

Technical Support Fundamentals (Coursera)

Security & Networking

Dive into the world of IT with our introductory course on Technical Support Fundamentals. Whether you're new to technology or looking to refine your skills, this course provides a comprehensive overview of essential topics including computer hardware, software, Internet basics, troubleshooting techniques, and effective customer service strategies. Prepare for an entry-level role as an IT support specialist by mastering the fundamentals.

Jun 29th 2026

5-12 Weeks

Software Hardware Internet

Coursera

Google

IT Security: Defense against the digital dark arts (Coursera)

Security & Networking

Discover essential IT security principles with 'IT Security: Defense against the digital dark arts'. This course equips you with knowledge on encryption, authentication, authorization, and network security solutions to protect your digital assets effectively. Dive into a multi-layered approach to cybersecurity and cultivate a culture of security within your organization.

Jun 29th 2026

5-12 Weeks

Security Networks Information Technology

Coursera

Google Cloud

Google Cloud Platform Fundamentals for AWS Professionals (Coursera)

Security & Networking

Transition seamlessly from AWS to GCP with our 6-hour comprehensive course. This fast-paced program is tailored for AWS Solution Architects and SysOps Administrators eager to explore Google Cloud Platform's core capabilities. Dive into networking, compute, storage, and database solutions through engaging presentations, demonstrations, and practical labs. Learn the similarities, differences, and essential how-tos of GCP to expand your cloud expertise.

Jun 29th 2026

5-12 Weeks

Databases Google Cloud Computing

Coursera

Pohang University of Science and Technology - POSTECH

Programming with Cloud IoT Platforms (Coursera)

Security & Networking

Dive into the world of Internet of Things (IoT) and learn how to program connected devices with our 'Programming with Cloud IoT Platforms' course. Gain expertise in deploying IoT solutions on cloud platforms, collecting sensor data, and developing intelligent applications that can transform industries.

Jun 29th 2026

5-12 Weeks

Programming Microsoft Azure IoT

Coursera

University of London,Goldsmiths, University of London

How Computers Work (Coursera)

Security & Networking

Dive into the fascinating world of computing with our 'How Computers Work' course. Whether you're a novice or just curious about how your devices function, this comprehensive guide will demystify the technology that surrounds us every day. From understanding CPU architecture to grasping the basics of coding and algorithms, we'll equip you with essential knowledge to navigate the digital age.

Jun 29th 2026

4 Weeks

Computer Networks Computer Science

Coursera

INSEAD

Blockchain Transformations of Financial Services (Coursera)

Security & Networking

Explore the future of finance with our 'Blockchain Transformations of Financial Services' course on Coursera. Dive into how blockchain is transforming the global financial system by eliminating inefficiencies and offering new ways to create and manage value. This course will equip you with a deep understanding of decentralized finance, smart contracts, and their impact on banking and financial services.

Jun 29th 2026

4 Weeks

Accounting Financial Management Governance

Coursera

INSEAD

Introduction to Blockchain for Financial Services (Coursera)

Security & Networking

Dive into the revolutionary world of blockchain technology tailored specifically for financial services professionals. This introductory course will equip you with a solid understanding of how blockchain works, its potential to revolutionize business and economic activities, and key concepts like mining, hashing, and public key cryptography.

Jun 29th 2026

5-12 Weeks

Cryptography Databases Mining