Free Online Cryptography Courses & MOOCs

Coursera

Palo Alto Networks

Palo Alto Networks Cybersecurity Foundation (Coursera)

Security & Networking

Dive into the essential principles of cybersecurity with our foundational course designed in collaboration with Palo Alto Networks. Whether you're new to the field or looking to deepen your understanding, this course offers a structured approach to learning about network protection, authentication policies, and how to effectively mitigate potential attacks on enterprise networks.

Jul 14th 2026

5-12 Weeks

Cryptography Cloud Computing Malware

Coursera

University of Maryland, College Park

Usable Security (Coursera)

Security & Networking

Explore the intersection of usability and security in 'Usable Security' on Coursera. This course teaches you to create secure systems that respect users' performance and goals. Dive into basic principles of human-computer interaction and apply them to develop secure systems that are both effective and user-friendly.

Jul 13th 2026

5-12 Weeks

Cryptography Security Cybersecurity

FutureLearn

The Open University

Introduction to Cyber Security (FutureLearn)

Security & Networking

Discover the fundamentals of cyber security and learn practical ways to safeguard your digital life on this comprehensive course. With expert guidance, you'll gain insights into common threats and effective strategies for protection.

Self Paced

5-12 Weeks

Cryptography Security Information Security

Coursera

Duke University

Java Programming: Arrays, Lists, and Structured Data (Coursera)

CS: Software Engineering CS: Programming

Expand your knowledge in Java programming by diving into the world of arrays, lists, and structured data. This course builds upon the fundamentals taught in 'Java Programming: Solving Problems with Software' and takes you deeper into creating sophisticated applications. You'll learn to leverage advanced data structures to solve complex problems and enhance your ability to design robust software solutions.

Jul 13th 2026

4 Weeks

Programming Java Cryptography

FutureLearn

Coventry University,Institute of Coding

An Introduction to Cryptography (FutureLearn)

Sci: Mathematics Science

Explore the intriguing history of cryptography from ancient secret messages to contemporary data security. This course will introduce you to the basics of encryption and decryption, covering everything from historical code-breaking techniques to the latest advancements in secure communication.

Self Paced

2 Weeks

Cryptography Security Data Encryption

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.

Jul 13th 2026

5-12 Weeks

Cryptography Databases Mining

Coursera

EIT Digital

Security and Privacy for Big Data - Part 1 (Coursera)

Security & Networking

Dive into the world of big data security with our foundational course. Gain expertise in cryptographic principles and access control mechanisms to safeguard your big data systems effectively. This course is designed for those looking to ensure privacy and security in their big data projects, equipping you with the knowledge to plan, implement, and maintain secure practices.

Jul 13th 2026

1 Week

Cryptography Security Big Data

Coursera

University of California, Davis

Identifying Security Vulnerabilities (Coursera)

Security & Networking

Discover the essential skills needed for creating secure software with our 'Identifying Security Vulnerabilities' course. Gain a deep understanding of threat modeling, encryption, hashing, and learn how to safeguard your applications against SQL injection, XSS, and command injection attacks. Perfect for programmers looking to enhance their security knowledge.

Jul 13th 2026

4 Weeks

Cryptography Security Authentication

Coursera

Infosec

JavaScript Security Refreshers (Coursera)

Security & Networking

Discover the secrets to safeguarding your web applications with our JavaScript Security Refreshers course. Whether you're a seasoned developer or new to JavaScript, this course provides an in-depth look at securing your code against common vulnerabilities. From understanding basic JavaScript concepts to mastering authentication techniques and exploring browser and Node.js security, we've got you covered.

Jul 13th 2026

2 Weeks

Cryptography Security Javascript