• For Individuals
  • For Businesses
  • For Universities
  • For Governments
Coursera
  • Online Degrees
  • Careers
  • 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
     *

    Level
    Required
     *

    Duration
    Required
     *

    Skills
    Required
     *

    Subtitles
    Required
     *

    Educator
    Required
     *

    Explore the Cryptography Course Catalog

    • Status: Free Trial
      Free Trial
      I

      Infosec

      JavaScript Security Refreshers

      Skills you'll gain: Authentications, Cryptography, Application Security, Web Applications, Javascript, Identity and Access Management, Node.JS, Browser Compatibility

      4.5
      Rating, 4.5 out of 5 stars
      ·
      67 reviews

      Intermediate · Course · 1 - 4 Weeks

    • S

      Starweaver

      Introduction to Automotive Cybersecurity & Vehicle Networks

      Skills you'll gain: Threat Modeling, Cyber Governance, Cybersecurity, Cyber Security Policies, Cryptography, Network Security, Cyber Risk, Cyber Attacks, Cyber Security Strategy, Threat Detection, Vulnerability Assessments, Incident Response

      3.5
      Rating, 3.5 out of 5 stars
      ·
      13 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      M

      Microsoft

      Advanced Cybersecurity Concepts and Capstone Project

      Skills you'll gain: Threat Modeling, MITRE ATT&CK Framework, Threat Management, Cybersecurity, Cyber Security Strategy, Application Security, Threat Detection, Security Strategy, Microsoft Azure, Cloud Security, Internet Of Things, Secure Coding, Network Security, Security Controls, Vulnerability Assessments, Identity and Access Management

      4.7
      Rating, 4.7 out of 5 stars
      ·
      75 reviews

      Beginner · Course · 1 - 4 Weeks

    • U

      University of Leeds

      An Introduction to Logic for Computer Science

      Skills you'll gain: Logical Reasoning, Deductive Reasoning, Computational Logic, Computational Thinking, Algorithms, Theoretical Computer Science, Artificial Intelligence

      4.7
      Rating, 4.7 out of 5 stars
      ·
      27 reviews

      Beginner · Course · 1 - 4 Weeks

    • U

      University of Colorado Boulder

      Security & Ethical Hacking: Attacking the Network

      Skills you'll gain: Penetration Testing, Network Security, Cyber Security Assessment, Cryptographic Protocols, Remote Access Systems, Network Protocols, Vulnerability Assessments, TCP/IP, Encryption, General Networking, Computer Networking, Command-Line Interface, Network Analysis, Proxy Servers

      Build toward a degree

      Intermediate · Course · 1 - 3 Months

    • P

      Pohang University of Science and Technology(POSTECH)

      Blockchain Theory and Applications I

      Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Encryption, Data Structures, Virtualization and Virtual Machines, Network Protocols, Distributed Computing, Algorithms

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      I

      INSEAD

      Introduction to Blockchain for Global Commerce

      Skills you'll gain: Blockchain, Digital Assets, FinTech, Emerging Technologies, E-Commerce, Cryptography, Business Transformation, Distributed Computing, Payment Systems, Financial Services, Network Security, Data Integrity, Automation, Computer Security, Transaction Processing, Scalability, Contract Management, Governance

      4.7
      Rating, 4.7 out of 5 stars
      ·
      32 reviews

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      P

      Packt

      Information Technology and Security Principles

      Skills you'll gain: Enterprise Architecture, Personally Identifiable Information, Information Privacy, IT Security Architecture, Information Assurance, Information Technology, Security Controls, Security Awareness, Data Security, Emerging Technologies, Cyber Risk, Cloud Security, Systems Development Life Cycle, Risk Management Framework, Disaster Recovery, Cloud Computing, Encryption

      4.9
      Rating, 4.9 out of 5 stars
      ·
      10 reviews

      Intermediate · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      E

      EDUCBA

      Security and Auditing in Ethereum

      Skills you'll gain: Secure Coding, Penetration Testing, Security Testing, Application Security, Cyber Security Assessment, Payment Systems, Security Engineering, Blockchain, Incident Response, Vulnerability Scanning, Code Review, Vulnerability Assessments, Data Security, Authorization (Computing), Data Validation

      4.8
      Rating, 4.8 out of 5 stars
      ·
      29 reviews

      Intermediate · Course · 1 - 4 Weeks

    • E

      EIT Digital

      Security and Privacy for Big Data - Part 2

      Skills you'll gain: General Data Protection Regulation (GDPR), Information Privacy, Personally Identifiable Information, Data Security, Data Governance, Data Ethics, Data Integrity, Vulnerability Assessments, Law, Regulation, and Compliance, Big Data, Cryptography

      4.7
      Rating, 4.7 out of 5 stars
      ·
      259 reviews

      Beginner · Course · 1 - 4 Weeks

    • I

      Illinois Tech

      Cyber Security Technologies

      Skills you'll gain: Cybersecurity, Cyber Attacks, Network Security, Information Systems Security, Computer Security, Cryptography, Disaster Recovery, Application Security, Cyber Operations, Cyber Security Policies, Cryptographic Protocols, IT Security Architecture, Telecommunications, Network Administration, NIST 800-53, Infrastructure Security, Security Controls, Encryption, Bash (Scripting Language), Security Strategy

      Build toward a degree

      5
      Rating, 5 out of 5 stars
      ·
      7 reviews

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      U

      University of Cape Town

      How Entrepreneurs in Emerging Markets can master the Blockchain Technology

      Skills you'll gain: Blockchain, Cryptography, FinTech, Emerging Technologies, Ledgers (Accounting), Data Encryption Standard, Machine Learning, Artificial Intelligence, Financial Systems, Financial Services, Supervised Learning, Information Privacy, Personally Identifiable Information, Technology Strategies, Unsupervised Learning, Data Integrity, Distributed Computing, Reinforcement Learning

      4.6
      Rating, 4.6 out of 5 stars
      ·
      42 reviews

      Beginner · Course · 1 - 4 Weeks

    Cryptography learners also search

    Cryptography Projects
    Information Security
    Information Science
    Privacy
    Information Engineering
    Data Security
    Software Security
    Network Security
    1…131415…21

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

    • JavaScript Security Refreshers: Infosec
    • Introduction to Automotive Cybersecurity & Vehicle Networks: Starweaver
    • Advanced Cybersecurity Concepts and Capstone Project: Microsoft
    • An Introduction to Logic for Computer Science: University of Leeds
    • Security & Ethical Hacking: Attacking the Network: University of Colorado Boulder
    • Blockchain Theory and Applications I: Pohang University of Science and Technology(POSTECH)
    • Introduction to Blockchain for Global Commerce: INSEAD
    • Information Technology and Security Principles: Packt
    • Security and Auditing in Ethereum: EDUCBA
    • Security and Privacy for Big Data - Part 2: EIT Digital

    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

    Technical Skills

    • ChatGPT
    • Coding
    • Computer Science
    • Cybersecurity
    • DevOps
    • Ethical Hacking
    • Generative AI
    • Java Programming
    • Python
    • Web Development

    Analytical Skills

    • Artificial Intelligence
    • Big Data
    • Business Analysis
    • Data Analytics
    • Data Science
    • Financial Modeling
    • Machine Learning
    • Microsoft Excel
    • Microsoft Power BI
    • SQL

    Business Skills

    • Accounting
    • Digital Marketing
    • E-commerce
    • Finance
    • Google
    • Graphic Design
    • IBM
    • Marketing
    • Project Management
    • Social Media Marketing

    Career Resources

    • Essential IT Certifications
    • High-Income Skills to Learn
    • How to Get a PMP Certification
    • How to Learn Artificial Intelligence
    • Popular Cybersecurity Certifications
    • Popular Data Analytics Certifications
    • What Does a Data Analyst Do?
    • Career Development Resources
    • Career Aptitude Test
    • Share your Coursera Learning Story

    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
    • ECTS Credit Recommendations

    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