• 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: New
      New
      Status: Free Trial
      Free Trial
      P

      Pearson

      Linux Security Basics and Beyond: Unit 1

      Skills you'll gain: Linux, Authentications, Remote Access Systems, Linux Administration, User Accounts, Linux Commands, Authorization (Computing), Identity and Access Management, Command-Line Interface

      Intermediate · Course · 1 - 4 Weeks

    • 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, Financial Analysis, Market Analysis

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

      Beginner · Specialization · 3 - 6 Months

    • Status: New
      New
      P

      Packt

      OWASP Top 10

      Skills you'll gain: System Monitoring

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      U

      University of Colorado Boulder

      Foundations of Data Structures and Algorithms

      Skills you'll gain: Theoretical Computer Science, Algorithms, Data Structures, Graph Theory, Operations Research, Public Key Cryptography Standards (PKCS), Cryptography, Computer Science, Computational Thinking, Data Encryption Standard, Applied Mathematics, Advanced Mathematics, Mathematical Theory & Analysis, Encryption, Network Model, Linear Algebra, Combinatorics, Python Programming, Analysis, Mathematical Modeling

      Build toward a degree

      4.6
      Rating, 4.6 out of 5 stars
      ·
      845 reviews

      Advanced · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      I

      IBM

      Cybersecurity Fundamentals

      Skills you'll gain: Encryption, Identity and Access Management, Public Key Infrastructure, Endpoint Security, Cryptography, Network Security, Cybersecurity, Threat Detection, Data Security, Cryptographic Protocols, Cyber Attacks, Advanced Encryption Standard (AES), Cyber Security Strategy, Secure Coding, Data Encryption Standard, Firewall, Computer Security Awareness Training, Technical Support and Services, Information Technology, Computer Security Incident Management

      4.8
      Rating, 4.8 out of 5 stars
      ·
      1.8K reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      E

      EC-Council

      Cybersecurity Attack and Defense Fundamentals

      Skills you'll gain: Penetration Testing, Network Security, Mobile Security, Cloud Security, Public Key Infrastructure, Vulnerability Assessments, Cryptography, Security Controls, Threat Detection, Cybersecurity, Authorization (Computing), Security Awareness, Encryption, Malware Protection, Identity and Access Management, Wireless Networks, Data Security, Intrusion Detection and Prevention, Computer Security Awareness Training, Cyber Threat Intelligence

      4.6
      Rating, 4.6 out of 5 stars
      ·
      737 reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: Preview
      Preview
      U

      University of London

      Cyber Security Fundamentals

      Skills you'll gain: Key Management, Security Management, Cryptography, Information Systems Security, Cyber Security Policies, Cybersecurity, Cyber Risk, Encryption, Threat Management, Computer Security, Information Assurance, Data Integrity, Incident Response

      Build toward a degree

      4.7
      Rating, 4.7 out of 5 stars
      ·
      206 reviews

      Beginner · Course · 1 - 4 Weeks

    • 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, Threat Management, MITRE ATT&CK Framework, Cryptography, Security Testing, Incident Management, Application Security, Encryption, Cybersecurity, Code Review, Vulnerability Scanning, Vulnerability Assessments, Open Web Application Security Project (OWASP)

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

      Beginner · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      I

      INSEAD

      Introduction to Blockchain Technologies

      Skills you'll gain: Blockchain, FinTech, Emerging Technologies, Cryptography, Digital Assets, Distributed Computing, Digital Transformation, Public Key Cryptography Standards (PKCS), Transaction Processing, Information Privacy, Governance, Network Security, Data Integrity, Financial Services

      4.7
      Rating, 4.7 out of 5 stars
      ·
      2.5K reviews

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      P

      Palo Alto Networks

      Palo Alto Networks Cybersecurity

      Skills you'll gain: Network Security, Cyber Operations, Cloud Security, Cloud-Native Computing, Cybersecurity, Cloud Computing Architecture, Infrastructure Security, DevSecOps, Cloud Computing, Security Information and Event Management (SIEM), Cyber Attacks, General Networking, TCP/IP, Zero Trust Network Access, Cryptography, Endpoint Security, Application Security, Malware Protection, Cloud Infrastructure, Security Management

      4.6
      Rating, 4.6 out of 5 stars
      ·
      814 reviews

      Beginner · Professional Certificate · 3 - 6 Months

    • Status: New
      New
      U

      University of Colorado Boulder

      Security and Ethical Hacking

      Skills you'll gain:

      4.4
      Rating, 4.4 out of 5 stars
      ·
      7 reviews

      Intermediate · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      D

      Duke University

      Entrepreneurial Finance: Strategy and Innovation

      Skills you'll gain: Financial Modeling, Blockchain, FinTech, Entrepreneurial Finance, Financial Market, Business Valuation, Risk Management, Excel Formulas, Market Data, Emerging Technologies, Cryptography, Risk Analysis, Fundraising and Crowdsourcing, Equities, Probability Distribution, Investments, Financial Analysis, Entrepreneurship, Finance, Microsoft Excel

      4.5
      Rating, 4.5 out of 5 stars
      ·
      1.4K reviews

      Intermediate · Specialization · 3 - 6 Months

    Cryptography learners also search

    Cryptography Projects
    Information Security
    Information Science
    Privacy
    Information Engineering
    Data Security
    Software Security
    Network Security
    1…567…23

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

    • Linux Security Basics and Beyond: Unit 1: Pearson
    • Fintech: Foundations & Applications of Financial Technology: University of Pennsylvania
    • OWASP Top 10: Packt
    • Foundations of Data Structures and Algorithms: University of Colorado Boulder
    • Cybersecurity Fundamentals: IBM
    • Cybersecurity Attack and Defense Fundamentals: EC-Council
    • Cyber Security Fundamentals: University of London
    • Security Analyst Fundamentals: IBM
    • Introduction to Blockchain Technologies: INSEAD
    • Palo Alto Networks Cybersecurity: Palo Alto Networks

    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