• For Individuals
  • For Businesses
  • For Universities
  • For Governments
Coursera
  • Log In
  • Join for Free
    Coursera
    • Browse
    • Cryptography

    Cryptography Courses Online

    Study cryptography principles for securing digital information. Learn about encryption, decryption, and cryptographic protocols.

    Skip to search results

    Filter by

    Subject
    Required
     *

    Language
    Required
     *

    The language used throughout the course, in both instruction and assessments.

    Learning Product
    Required
     *

    Build job-relevant skills in under 2 hours with hands-on tutorials.
    Learn from top instructors with graded assignments, videos, and discussion forums.
    Learn a new tool or skill in an interactive, hands-on environment.
    Get in-depth knowledge of a subject by completing a series of courses and projects.
    Earn career credentials from industry leaders that demonstrate your expertise.
    Earn career credentials while taking courses that count towards your Master’s degree.
    Earn your Bachelor’s or Master’s degree online for a fraction of the cost of in-person learning.

    Level
    Required
     *

    Duration
    Required
     *

    Skills
    Required
     *

    Subtitles
    Required
     *

    Educator
    Required
     *

    Explore the Cryptography Course Catalog

    • Status: Free Trial
      Free Trial
      D

      Duke University

      Java Programming: Arrays, Lists, and Structured Data

      Skills you'll gain: Java Programming, Object Oriented Programming (OOP), Data Structures, Java, Cryptography, Software Engineering, Computer Programming, Algorithms, Encryption, Data Analysis, Data Processing, Web Servers, File Management, Debugging

      4.6
      Rating, 4.6 out of 5 stars
      ·
      3.2K reviews

      Beginner · Course · 1 - 3 Months

    • Status: New
      New
      P

      Packt

      Cybersecurity with Python: Beginner to Advanced

      Skills you'll gain: User Accounts, Cryptography

      Intermediate · Course · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      D

      Duke University

      Java Programming and Software Engineering Fundamentals

      Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Software Design, HTML and CSS, Data Structures, Debugging, Computational Thinking, Software Engineering, Web Development, Cryptography, Web Design, Javascript, Programming Principles, Computer Programming, Front-End Web Development, Encryption, Algorithms, Cascading Style Sheets (CSS), Data Analysis

      4.6
      Rating, 4.6 out of 5 stars
      ·
      22K reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      D

      Duke University

      Decentralized Finance (DeFi) Infrastructure

      Skills you'll gain: Blockchain, FinTech, Interoperability, Payment Systems, Financial Inclusion, Financial Systems, Cryptography, Digital Assets, Financial Regulation, Banking, Encryption, Computer Security, Governance

      4.8
      Rating, 4.8 out of 5 stars
      ·
      1.5K reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      N

      New York University

      Introduction to Cyber Security

      Skills you'll gain: Security Engineering, Authentications, Threat Modeling, Network Security, Public Key Infrastructure, Distributed Denial-Of-Service (DDoS) Attacks, Firewall, Cyber Attacks, Cryptography, Infrastructure Security, Cybersecurity, Cyber Security Strategy, Data Encryption Standard, Threat Management, Cyber Risk, Mobile Security, Enterprise Security, Computer Security, Threat Detection, Cyber Security Policies

      4.7
      Rating, 4.7 out of 5 stars
      ·
      3.7K reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      U

      University at Buffalo

      Blockchain

      Skills you'll gain: Blockchain, Test Driven Development (TDD), Cryptography, Application Development, Transaction Processing, Emerging Technologies, Application Design, Integrated Development Environments, Software Architecture, Network Protocols, Encryption, Web Applications, Program Development, Distributed Computing, Microsoft Azure, FinTech, Secure Coding, Cloud Computing Architecture, Development Environment, Web Development Tools

      4.6
      Rating, 4.6 out of 5 stars
      ·
      9K reviews

      Intermediate · Specialization · 3 - 6 Months

    • Status: New
      New
      Status: Preview
      Preview
      P

      Packt

      Express Framework Basics: Secure Signup with Auth0 & Node.js

      Skills you'll gain: Full-Stack Web Development, Node.JS, JavaScript Frameworks, Authentications, OAuth, Web Applications, Back-End Web Development, Server Side, Secure Coding, Web Development Tools, Application Servers, Database Management, Javascript, Databases, Cryptography, Data Storage Technologies, Middleware, Routing Protocols

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      I

      IBM

      Security Analyst Fundamentals

      Skills you'll gain: Cyber Threat Hunting, Incident Response, Cyber Threat Intelligence, Penetration Testing, Computer Security Incident Management, Intrusion Detection and Prevention, Threat Modeling, Threat Detection, MITRE ATT&CK Framework, Cryptography, Security Testing, Incident Management, Application Security, Encryption, Security Management, Cybersecurity, Vulnerability Scanning, Vulnerability Assessments, Open Web Application Security Project (OWASP), Security Information and Event Management (SIEM)

      4.7
      Rating, 4.7 out of 5 stars
      ·
      4.4K reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: New
      New
      Status: Free Trial
      Free Trial
      S

      Simplilearn

      Master Basics of Cybersecurity Fundamentals Training

      Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Cybersecurity, Threat Detection, Data Encryption Standard, Threat Modeling, Cryptography, Cyber Attacks, Data Security, Databases, Malware Protection, Penetration Testing, Vulnerability Assessments, Application Security, Security Engineering, Authentications, Data Structures, Data Integrity, Artificial Intelligence, SQL

      Beginner · Specialization · 1 - 3 Months

    • Status: Free
      Free
      P

      Princeton University

      Algorithms, Part II

      Skills you'll gain: Graph Theory, Data Structures, Algorithms, Theoretical Computer Science, Computational Thinking, Computer Programming, Network Routing, Cryptography, Java Programming, Linear Algebra

      4.9
      Rating, 4.9 out of 5 stars
      ·
      2K reviews

      Intermediate · Course · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      U

      University of Pennsylvania

      Fintech: Foundations & Applications of Financial Technology

      Skills you'll gain: FinTech, Portfolio Management, Consumer Lending, Return On Investment, Blockchain, Cryptography, Credit/Debit Card Processing, Digital Assets, Financial Services, Payment Processing, Investments, Lending and Underwriting, Investment Management, Technology Strategies, Emerging Technologies, Risk Analysis, Fundraising and Crowdsourcing, Financial Market, Market Analysis, Fraud detection

      4.6
      Rating, 4.6 out of 5 stars
      ·
      3.8K reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: New
      New
      Status: Free Trial
      Free Trial
      P

      Pearson

      Practical Cybersecurity Fundamentals

      Skills you'll gain: MITRE ATT&CK Framework, Penetration Testing, Incident Response, Cyber Threat Hunting, Cybersecurity, Cyber Threat Intelligence, DevSecOps, Cloud Security, Patch Management, Cyber Security Assessment, Exploitation techniques, Network Security, Computer Security Incident Management, Business Continuity, Cryptography, Responsible AI, Threat Modeling, Information Systems Security, DevOps, Disaster Recovery

      Beginner · Specialization · 1 - 3 Months

    Cryptography learners also search

    Cryptography Projects
    Information Security
    Information Science
    Privacy
    Information Engineering
    Data Security
    Software Security
    Network Security
    1…101112…24

    In summary, here are 10 of our most popular cryptography courses

    • Java Programming: Arrays, Lists, and Structured Data: Duke University
    • Cybersecurity with Python: Beginner to Advanced: Packt
    • Java Programming and Software Engineering Fundamentals: Duke University
    • Decentralized Finance (DeFi) Infrastructure: Duke University
    • Introduction to Cyber Security: New York University
    • Blockchain: University at Buffalo
    • Express Framework Basics: Secure Signup with Auth0 & Node.js: Packt
    • Security Analyst Fundamentals: IBM
    • Master Basics of Cybersecurity Fundamentals Training: Simplilearn
    • Algorithms, Part II: Princeton University

    Skills you can learn in Computer Security And Networks

    Cybersecurity (33)
    Google (25)
    Google Cloud Platform (17)
    Internet (17)
    Cryptography (16)
    Network Security (16)
    Linux (12)
    Software Testing (12)
    Information Security (10)
    Application Programming Interfaces (8)
    Kubernetes (8)
    Web (8)

    Other topics to explore

    Arts and Humanities
    338 courses
    Business
    1095 courses
    Computer Science
    668 courses
    Data Science
    425 courses
    Information Technology
    145 courses
    Health
    471 courses
    Math and Logic
    70 courses
    Personal Development
    137 courses
    Physical Science and Engineering
    413 courses
    Social Sciences
    401 courses
    Language Learning
    150 courses

    Coursera Footer

    Skills

    • Artificial Intelligence (AI)
    • Cybersecurity
    • Data Analytics
    • Digital Marketing
    • English Speaking
    • Generative AI (GenAI)
    • Microsoft Excel
    • Microsoft Power BI
    • Project Management
    • Python

    Certificates & Programs

    • Google Cybersecurity Certificate
    • Google Data Analytics Certificate
    • Google IT Support Certificate
    • Google Project Management Certificate
    • Google UX Design Certificate
    • IBM Data Analyst Certificate
    • IBM Data Science Certificate
    • Machine Learning Certificate
    • Microsoft Power BI Data Analyst Certificate
    • UI / UX Design Certificate

    Industries & Careers

    • Business
    • Computer Science
    • Data Science
    • Education & Teaching
    • Engineering
    • Finance
    • Healthcare
    • Human Resources (HR)
    • Information Technology (IT)
    • Marketing

    Career Resources

    • Career Aptitude Test
    • Examples of Strengths and Weaknesses for Job Interviews
    • High-Income Skills to Learn
    • How Does Cryptocurrency Work?
    • How to Highlight Duplicates in Google Sheets
    • How to Learn Artificial Intelligence
    • Popular Cybersecurity Certifications
    • Preparing for the PMP Certification
    • Signs You Will Get the Job After an Interview
    • What Is Artificial Intelligence?

    Coursera

    • About
    • What We Offer
    • Leadership
    • Careers
    • Catalog
    • Coursera Plus
    • Professional Certificates
    • MasterTrack® Certificates
    • Degrees
    • For Enterprise
    • For Government
    • For Campus
    • Become a Partner
    • Social Impact
    • Free Courses
    • Share your Coursera learning story

    Community

    • Learners
    • Partners
    • Beta Testers
    • Blog
    • The Coursera Podcast
    • Tech Blog

    More

    • Press
    • Investors
    • Terms
    • Privacy
    • Help
    • Accessibility
    • Contact
    • Articles
    • Directory
    • Affiliates
    • Modern Slavery Statement
    • Manage Cookie Preferences
    Learn Anywhere
    Download on the App Store
    Get it on Google Play
    Logo of Certified B Corporation
    © 2025 Coursera Inc. All rights reserved.
    • Coursera Facebook
    • Coursera Linkedin
    • Coursera Twitter
    • Coursera YouTube
    • Coursera Instagram
    • Coursera TikTok