• 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
      U

      University of Minnesota

      Cloud Security Basics

      Skills you'll gain: Cloud Security, Application Security, Network Security, Cloud Computing, Cybersecurity, Information Systems Security, Security Controls, Infrastructure Security, Remote Access Systems, Public Key Infrastructure, Cryptography, Vulnerability Assessments, Virtualization, Virtual Machines, Encryption, Authorization (Computing)

      4.3
      Rating, 4.3 out of 5 stars
      ·
      105 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      C

      Codio

      Software Security for Web Applications

      Skills you'll gain: Application Security, Open Web Application Security Project (OWASP), OAuth, Data Validation, Authentications, Security Testing, Secure Coding, Identity and Access Management, Web Applications, Authorization (Computing), Cyber Attacks, Distributed Denial-Of-Service (DDoS) Attacks, Server Side, Vulnerability Assessments, Security Strategy

      4.8
      Rating, 4.8 out of 5 stars
      ·
      13 reviews

      Intermediate · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      K

      Kennesaw State University

      Cybersecurity: Protecting your Information at Home

      Skills you'll gain: Email Security, Personally Identifiable Information, Firewall, Threat Detection, Network Security, Cybersecurity, Security Awareness, Cloud Storage, Information Privacy, Cloud Computing, General Networking, Encryption

      4.8
      Rating, 4.8 out of 5 stars
      ·
      32 reviews

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      L

      LearnQuest

      Blockchain Security - Foundational Concepts

      Skills you'll gain: Blockchain, Threat Modeling, Application Security, Computer Security, Security Controls, Cybersecurity, Security Engineering, Data Security, Network Security, Information Systems Security, Cryptography, Vulnerability Assessments, Secure Coding, Cryptographic Protocols, Encryption, Key Management, Risk Management, Public Key Cryptography Standards (PKCS), Data Integrity, Distributed Computing

      4.8
      Rating, 4.8 out of 5 stars
      ·
      13 reviews

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      U

      University of Colorado System

      Software Design Threats and Mitigations

      Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Vulnerability Management, Security Engineering, Secure Coding, Software Design Patterns, Software Architecture, Software Visualization, Cryptography, Blockchain, Public Key Cryptography Standards (PKCS)

      4.6
      Rating, 4.6 out of 5 stars
      ·
      93 reviews

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      P

      Packt

      CISA: Certified Information Systems Auditor

      Skills you'll gain: Service Level Agreement, Data Governance, Systems Development Life Cycle, Data Loss Prevention, Security Testing, Network Security, Software Development Life Cycle, IT Management, Systems Development, Incident Management, Problem Management, Database Management Systems, Control Objectives for Information and Related Technology (COBIT), Cryptography, Cloud Management, Software Development Methodologies, Auditing, Risk Management Framework, Internal Controls, Risk Analysis

      4.6
      Rating, 4.6 out of 5 stars
      ·
      38 reviews

      Intermediate · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      E

      EC-Council

      Network Defense Essentials (NDE)

      Skills you'll gain: Network Security, Mobile Security, Public Key Infrastructure, Cryptography, Security Controls, Cybersecurity, Authorization (Computing), Encryption, Identity and Access Management, Wireless Networks, Cloud Computing, Cloud Security, Network Monitoring, Data Security, Internet Of Things, Virtualization and Virtual Machines

      4.6
      Rating, 4.6 out of 5 stars
      ·
      114 reviews

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      U

      University of Colorado Boulder

      Network Systems Foundations

      Skills you'll gain: OSI Models, Network Security, TCP/IP, Network Architecture, Network Protocols, General Networking, Network Routers, Routing Protocols, Public Key Infrastructure, Cryptography, Web Applications, System Programming

      Build toward a degree

      4.5
      Rating, 4.5 out of 5 stars
      ·
      62 reviews

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      C

      Codio

      Data Security for Web Developers

      Skills you'll gain: Cryptography, Data Security, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Secure Coding, Public Key Infrastructure, Authentications, Web Development, Application Security, Web Applications, Multi-Factor Authentication, Security Strategy

      4.5
      Rating, 4.5 out of 5 stars
      ·
      6 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

    • U

      University of Colorado Boulder

      Security & Ethical Hacking: Attacking the Network

      Skills you'll gain: Penetration Testing, Network Security, Cyber Security Assessment, Network Monitoring, Intrusion Detection and Prevention, Virtual Private Networks (VPN), Network Protocols, Vulnerability Assessments, TCP/IP, Encryption, General Networking, Computer Networking, Command-Line Interface, Network Analysis

      Build toward a degree

      Intermediate · Course · 1 - 3 Months

    • É

      École Polytechnique

      Quantum Optics 2 - Two photons and more

      Skills you'll gain: Emerging Technologies, Telecommunications, Cryptography, Network Planning And Design, Simulation and Simulation Software, Physics, Engineering, Scientific, and Technical Instruments, Applied Mathematics, Algorithms, Experimentation

      4.9
      Rating, 4.9 out of 5 stars
      ·
      129 reviews

      Mixed · Course · 1 - 3 Months

    Cryptography learners also search

    Cryptography Projects
    Information Security
    Information Science
    Privacy
    Information Engineering
    Data Security
    Software Security
    Network Security
    1…121314…22

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

    • Cloud Security Basics: University of Minnesota
    • Software Security for Web Applications: Codio
    • Cybersecurity: Protecting your Information at Home: Kennesaw State University
    • Blockchain Security - Foundational Concepts: LearnQuest
    • Software Design Threats and Mitigations: University of Colorado System
    • CISA: Certified Information Systems Auditor: Packt
    • Network Defense Essentials (NDE): EC-Council
    • Network Systems Foundations: University of Colorado Boulder
    • Data Security for Web Developers: Codio
    • Security and Auditing in Ethereum: EDUCBA

    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
    • Do Not Sell/Share
    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