Free Online Cryptography Courses & MOOCs

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.

Jul 20th 2026

5-12 Weeks

Cryptography Cloud Computing Information Security

Coursera

University of London

Introduction to Applied Cryptography (Coursera)

Computer Science

Explore the essential role of cryptography in securing everyday applications like the internet, mobile phones, and cryptocurrencies. This beginner-friendly course provides a comprehensive introduction to the main cryptographic tools used today, equipping you with the knowledge to make informed decisions on their deployment.

Jul 20th 2026

4 Weeks

Cryptography Security Digital Security

Coursera

Codio

Data Security for Web Developers (Coursera)

CS: Information & Technology

Embark on a journey to fortify the digital presence of your web applications with 'Data Security for Web Developers.' This course, offered by Coursera, is perfect for beginners eager to understand and implement robust data security measures. From understanding SSL/TLS certificates to navigating the complexities of GDPR compliance, cryptography, and access control, this course equips you with the tools needed to safeguard user information effectively.

Jul 20th 2026

3 Weeks

Cryptography Security Web Development

Coursera

Cisco Learning and Certifications

Data Security (Coursera)

Security & Networking

Discover the essential principles of Data Security in this expert-led online course. Designed for cybersecurity professionals, this program delves into data type categories and their relevance to network security analytics. Gain practical skills to enhance your role in a Security Operations Center (SOC).

Jul 20th 2026

2 Weeks

Cryptography Cybersecurity Data Security

Coursera

LearnQuest

Fundamentals of Blockchain Architecture (Coursera)

CS: Software Engineering

Dive into the fundamentals of blockchain architecture with our expert-led course designed for beginners to advanced professionals. Explore key concepts, use cases, and practical applications of blockchain technology to enhance your expertise and drive innovation in digital transactions and secure data management.

Jul 20th 2026

5-12 Weeks

Cryptography Blockchain Blockchain Technology

Coursera

SkillUp EdTech

Blockchain and Cryptography Overview (Coursera)

Security & Networking

Dive into the world of Blockchain and Cryptography with our foundational course designed to equip you with essential knowledge. From understanding hash functions to exploring Proof of Work and Proof of Stake algorithms, this course is your gateway to mastering the basics of secure digital transactions and data integrity.

Jul 20th 2026

4 Weeks

Cryptography Blockchain Smart Contract

Coursera

SkillUp EdTech

Cutting-Edge Blockchain Security Mechanisms (Coursera)

Security & Networking

Dive into the world of blockchain security with our specialized course designed to equip you with cutting-edge knowledge and skills. From understanding inherent vulnerabilities to mastering cryptographic systems, this course is perfect for those looking to safeguard their digital assets effectively.

Jul 20th 2026

4 Weeks

Cryptography Security Blockchain

Coursera

University of Colorado Boulder

Advanced Data Structures, RSA and Quantum Algorithms (Coursera)

Computer Science

Dive into the fascinating realms of cryptography and quantum computing with our Advanced Data Structures, RSA, and Quantum Algorithms course. Learn about number-theory based cryptography, delve into complex data structures, and uncover the basics of quantum algorithms that are revolutionizing computation. Perfect for programmers, mathematicians, and tech enthusiasts alike.

Jul 20th 2026

4 Weeks

Cryptography Data Structures Quantum Computing

Coursera

INSEAD

Introduction to Blockchain Technologies (Coursera)

Business

Dive into the world of blockchain technologies with this foundational online course. Explore how blockchain is transforming traditional internet-based business models and learn the fundamentals that make it such an exciting field to be part of. Perfect for beginners looking to understand the basics and potential applications of blockchain.

Jul 15th 2026

5-12 Weeks

Business Cryptography Mining