Free Online Computer Security Courses & MOOCs

Coursera

New York University

Cyber Attack Countermeasures (Coursera)

Security & Networking

Discover essential strategies for safeguarding your digital assets with 'Cyber Attack Countermeasures'. This course provides a strong foundation in cyber defense, starting with foundational models and moving into practical applications of authentication protocols such as RSA SecureID and Kerberos. Whether you're new to cybersecurity or looking to enhance your expertise, this course will equip you with the knowledge needed to protect against potential threats.

Jun 22nd 2026

4 Weeks

Cryptography Cybersecurity Cyber Attacks

Coursera

New York University

Real-Time Cyber Threat Detection and Mitigation (Coursera)

Security & Networking

Dive into the world of cybersecurity with our Real-Time Cyber Threat Detection and Mitigation course. This expert-led program will equip you with the knowledge and skills needed to protect enterprise assets from cyber threats in real-time. Explore TCP/IP protocol suites, understand basic security hacks, and learn how to configure firewall solutions effectively.

Jun 22nd 2026

4 Weeks

Security TCP/IP Cybersecurity

Coursera

New York University

Enterprise and Infrastructure Security (Coursera)

Security & Networking

Dive into the world of enterprise and infrastructure security with this comprehensive online course. Gain insights into modern cybersecurity practices, understand compliance frameworks like NIST and PCI, and explore how hybrid cloud architectures can enhance your network's security. Perfect for professionals looking to fortify their organization's digital defenses.

Jun 22nd 2026

4 Weeks

Security Enterprise Cybersecurity

Coursera

Alibaba Cloud Academy

Big Data Analytical Platform on Alibaba Cloud (Coursera)

CS: Information & Technology

Dive into the world of big data analytics with our specialized course on Alibaba Cloud's Big Data Analytical Platform. This comprehensive guide is designed to equip you with the skills needed to harness, analyze, and visualize large datasets effectively using Alibaba Cloud’s powerful suite of tools. From foundational distributed system theory to practical applications with MaxCompute, DataWorks, and E-MapReduce, this course will transform how you approach big data challenges.

Jun 22nd 2026

5-12 Weeks

Artificial Intelligence SQL Big Data

Coursera

Google Cloud

Security Best Practices in Google Cloud (Coursera)

CS: Information & Technology

Embark on a journey towards mastering security best practices on Google Cloud Platform (GCP) with this engaging, self-paced online course. Designed for IT professionals, developers, and cloud architects, this course provides an in-depth understanding of securing your data, applications, and infrastructure on GCP. Through expert-led video lectures, practical demonstrations, and interactive labs, you'll learn to implement critical security controls such as access control, encryption, Security Keys, and more. By the end of this course, you will be equipped with the knowledge and skills necessary to build a robust, secure Google Cloud environment.

Jun 22nd 2026

5-12 Weeks

Information Technology Cloud Computing Computer Security

Coursera

LearnQuest

Azure Infrastructure Fundamentals (Coursera)

Security & Networking

Dive into the world of cloud computing with our Azure Infrastructure Fundamentals course. Designed for beginners and professionals alike, this course will equip you with the skills needed to leverage Microsoft's Azure platform effectively. From understanding basic concepts to mastering advanced features, we'll guide you through creating, managing, and optimizing applications and services in a cloud environment.

Jun 22nd 2026

5-12 Weeks

SaaS Cloud Computing Microsoft Azure

Coursera

Google Cloud

Google Workspace Security (Coursera)

Security & Networking

Dive into the world of Google Workspace Security with our expert-led course designed for administrators and IT professionals. Master essential security practices including enforcing strong passwords, enabling two-step verification, managing application security, and integrating G Suite with third-party applications. This course is part of the Google Workspace Administration series and will equip you with the skills to safeguard your organization's data effectively.

Jun 22nd 2026

1 Week

Security Computer Science Network Security

Coursera

University of London,Royal Holloway, University of London

Introduction to Computer Security (Coursera)

Security & Networking

Dive into the world of cybersecurity with our Introduction to Computer Security course. In just four weeks, you'll gain a solid understanding of how to protect computer systems against various threats. From core components to advanced applications, this course provides a thorough introduction to the essential principles of securing digital environments.

Jun 22nd 2026

4 Weeks

Security Operating Systems Cybersecurity

Coursera

University of California, San Diego

Internet of Things: Communication Technologies (Coursera)

Security & Networking

Dive into the world of Internet of Things (IoT) communication technologies with our expert-led course. Gain a deep understanding of how 'Things' communicate with each other and the cloud. Explore various protocols for exchanging information between processors, including those designed for latency-sensitive real-time data and reliable signaling data.

Jun 15th 2026

4 Weeks

Networks IoT Internet of Things