• 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

    • 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, Cryptography, Graph Theory

      4.7
      Rating, 4.7 out of 5 stars
      ·
      27 reviews

      Beginner · 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
      ·
      30 reviews

      Intermediate · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      S

      SkillUp EdTech

      Cutting-Edge Blockchain Security Mechanisms

      Skills you'll gain: Blockchain, Cryptography, Encryption, Application Security, Threat Modeling, Cybersecurity, Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Transaction Processing

      Beginner · Course · 1 - 4 Weeks

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

      Packt

      CompTIA Security+ Certification (SY0-701): The Total Course

      Skills you'll gain: Incident Response, Network Security, Intrusion Detection and Prevention, Computer Security Incident Management, Command-Line Interface, Cryptography, Open Web Application Security Project (OWASP), Cyber Threat Intelligence, Application Security, Secure Coding, Cybersecurity, Encryption, Information Systems Security, Vulnerability Assessments, Cyber Attacks, Risk Management Framework, Multi-Factor Authentication, Cloud Security, Penetration Testing, Risk Management

      4.8
      Rating, 4.8 out of 5 stars
      ·
      15 reviews

      Intermediate · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      P

      Packt

      Advanced Networking, Virtualization, and IT Security

      Skills you'll gain: Network Security, Virtualization, Augmented and Virtual Reality (AR/VR), Virtual Machines, Cloud Computing, Firewall, Virtual Private Networks (VPN), Mobile Security, Network Troubleshooting, Computer Networking, Cloud Security, Peripheral Devices

      4.9
      Rating, 4.9 out of 5 stars
      ·
      15 reviews

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      S

      SkillUp EdTech

      Business Implementation and Security

      Skills you'll gain: Cryptographic Protocols, Blockchain, Business Continuity, Cryptography, Disaster Recovery, Data Management, Digital Assets, Security Management, Vulnerability Assessments, Regulatory Compliance, Enterprise Security, Data Security, Application Security, Cybersecurity, Emerging Technologies, Distributed Computing

      Beginner · Course · 1 - 4 Weeks

    • Status: Free
      Free
      I

      Infosec

      CompTIA Security+ 701

      Skills you'll gain: Cybersecurity, Cyber Attacks, Incident Response, Security Management, Network Security, Security Information and Event Management (SIEM), Security Controls, Identity and Access Management, Cryptography, Threat Detection, Data Security, Computer Security, Encryption, Personally Identifiable Information, Data Governance, Firewall, Vulnerability Assessments, User Accounts, Authorization (Computing), Risk Management

      4.5
      Rating, 4.5 out of 5 stars
      ·
      278 reviews

      Intermediate · Course · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      L

      LearnQuest

      Blockchain Security Advanced Protection

      Skills you'll gain: Blockchain, Key Management, Cryptography, Application Security, Encryption, Security Engineering, Secure Coding, Data Security, Cyber Security Assessment, Threat Modeling, Public Key Cryptography Standards (PKCS), Security Testing, Security Controls, Solution Design, Authentications, Vulnerability Assessments, Solution Architecture, Code Review, Authorization (Computing)

      4.5
      Rating, 4.5 out of 5 stars
      ·
      10 reviews

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      A

      Association of International Certified Professional Accountants

      Blockchain Opportunities Beyond Crypto Assets

      Skills you'll gain: Blockchain, FinTech, Emerging Technologies, Cryptography, Accounting and Finance Software, Technology Solutions, Supply Chain, Technical Services

      4.5
      Rating, 4.5 out of 5 stars
      ·
      74 reviews

      Beginner · Course · 1 - 4 Weeks

    • I

      Institut Mines-Télécom

      Blockchain : enjeux et mécanismes cryptographiques

      Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Authentications, FinTech, Distributed Computing, Transaction Processing, Emerging Technologies, Data Integrity, Algorithms, Verification And Validation

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      L

      LearnQuest

      Blockchain Security - Intermediate Practices

      Skills you'll gain: Blockchain, Cryptography, Application Security, Network Security, Secure Coding, Encryption, Cybersecurity, Vulnerability Assessments, Transaction Processing, Data Integrity

      Advanced · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      K

      Kennesaw State University

      What Is Cybersecurity?

      Skills you'll gain: Cybersecurity, Computer Security Awareness Training, Cyber Attacks, Cyber Risk, Personally Identifiable Information, Threat Detection, Information Privacy, Authentications, General Data Protection Regulation (GDPR), Human Factors (Security), NIST 800-53

      4.9
      Rating, 4.9 out of 5 stars
      ·
      8 reviews

      Beginner · Course · 1 - 3 Months

    Cryptography learners also search

    Cryptography Projects
    Information Security
    Information Science
    Privacy
    Information Engineering
    Data Security
    Software Security
    Network Security
    1…141516…22

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

    • An Introduction to Logic for Computer Science: University of Leeds
    • Security and Auditing in Ethereum: EDUCBA
    • Cutting-Edge Blockchain Security Mechanisms: SkillUp EdTech
    • CompTIA Security+ Certification (SY0-701): The Total Course: Packt
    • Advanced Networking, Virtualization, and IT Security: Packt
    • Business Implementation and Security: SkillUp EdTech
    • CompTIA Security+ 701: Infosec
    • Blockchain Security Advanced Protection : LearnQuest
    • Blockchain Opportunities Beyond Crypto Assets : Association of International Certified Professional Accountants
    • Blockchain : enjeux et mécanismes cryptographiques: Institut Mines-Télécom

    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