• 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

    • I

      Infosec

      Blockchain Security

      Skills you'll gain: Blockchain, Network Security, Application Security, Threat Modeling, Cybersecurity, Cryptography, Secure Coding, Encryption, Vulnerability Assessments, Scalability, Distributed Computing, Data Integrity, Algorithms

      4.6
      Rating, 4.6 out of 5 stars
      ·
      74 reviews

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      U

      University of California, Davis

      Secure Coding Practices

      Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Encryption, Penetration Testing, Application Security, Data Security, Security Controls, Vulnerability Assessments, Software Design, C and C++, Vulnerability Management, Authorization (Computing), Java, Linux, Programming Principles, Debugging, Security Engineering

      4.5
      Rating, 4.5 out of 5 stars
      ·
      593 reviews

      Intermediate · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      U

      University of Colorado System

      Basic Cryptography and Programming with Crypto API

      Skills you'll gain: Cryptography, Data Encryption Standard, Encryption, Advanced Encryption Standard (AES), Application Security, Public Key Cryptography Standards (PKCS), Secure Coding, Data Security, Web Development, Email Security, PHP (Scripting Language), Algorithms, User Provisioning

      4.5
      Rating, 4.5 out of 5 stars
      ·
      98 reviews

      Intermediate · Course · 1 - 4 Weeks

    • I

      ISC2

      ISC2 Systems Security Certified Practitioner (SSCP)

      Skills you'll gain: Incident Response, Security Controls, Cryptography, Malware Protection, Key Management, Vulnerability Assessments, Risk Management, Continuous Monitoring, Public Key Infrastructure, Endpoint Security, Disaster Recovery, Computer Security Incident Management, OSI Models, Network Security, Encryption, Authentications, Mobile Security, Operational Risk, Security Awareness, Authorization (Computing)

      4.7
      Rating, 4.7 out of 5 stars
      ·
      224 reviews

      Beginner · Specialization · 3 - 6 Months

    • U

      University of Leeds

      An Introduction to Cryptography

      Skills you'll gain: Cryptographic Protocols, Cryptography, Encryption, Public Key Cryptography Standards (PKCS), Cybersecurity, Data Security

      4.3
      Rating, 4.3 out of 5 stars
      ·
      12 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: New
      New
      Status: Free Trial
      Free Trial
      I

      IBM

      Encryption and Cryptography Essentials

      Skills you'll gain: Encryption, Public Key Infrastructure, Cryptography, Cryptographic Protocols, Data Security, Advanced Encryption Standard (AES), Cybersecurity, Data Encryption Standard, Network Security, Blockchain, Authentications, Data Integrity, Algorithms

      4.9
      Rating, 4.9 out of 5 stars
      ·
      31 reviews

      Intermediate · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      L

      LearnKartS

      Certified Ethical Hacking (v12)

      Skills you'll gain: Cloud Security, Penetration Testing, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Malware Protection, Cybersecurity, Threat Modeling, Cloud Computing, Mobile Security, Cyber Security Assessment, Cyber Attacks, Security Testing, Cloud Services, Threat Detection, Cloud Infrastructure, Information Systems Security, Intrusion Detection and Prevention, Cyber Threat Intelligence, Firewall, Incident Response

      4.7
      Rating, 4.7 out of 5 stars
      ·
      211 reviews

      Intermediate · Specialization · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      K

      Kennesaw State University

      Cybersecurity Awareness for Everyone

      Skills you'll gain: Email Security, Wireless Networks, Mobile Security, Incident Response, Cybersecurity, Personally Identifiable Information, Cyber Attacks, Firewall, General Networking, Threat Detection, Computer Security Awareness Training, Proxy Servers, Computer Security Incident Management, Network Security, Security Awareness, Cyber Risk, Virtual Private Networks (VPN), Information Privacy, Authentications, Infrastructure Security

      4.8
      Rating, 4.8 out of 5 stars
      ·
      43 reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      G

      Google

      IT Security: Defense against the digital dark arts

      Skills you'll gain: Information Systems Security, Network Security, Computer Security, Application Security, Cybersecurity, Security Awareness, Cyber Attacks, Encryption, Data Security, Cryptography, Security Strategy, Information Technology, Security Management, Authorization (Computing), Threat Management, Firewall, Network Administration, Identity and Access Management, Threat Detection, Hardening

      4.8
      Rating, 4.8 out of 5 stars
      ·
      25K reviews

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      U

      University of Colorado System

      Advanced System Security Design

      Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Role-Based Access Control (RBAC), AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Computing, Malware Protection, Threat Modeling, Cloud Security, Load Balancing, Security Engineering, User Accounts, Authorization (Computing), Identity and Access Management, Network Security, Threat Detection, Firewall, Cybersecurity, Geographic Information Systems

      4.5
      Rating, 4.5 out of 5 stars
      ·
      627 reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      U

      University of Colorado System

      Cryptography and Information Theory

      Skills you'll gain: Cryptography, Cryptographic Protocols, Encryption, Key Management, Cybersecurity, Computer Security, Theoretical Computer Science

      4.5
      Rating, 4.5 out of 5 stars
      ·
      519 reviews

      Intermediate · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      U

      University of California San Diego

      Number Theory and Cryptography

      Skills you'll gain: Cryptography, Key Management, Encryption, Public Key Cryptography Standards (PKCS), Cybersecurity, Arithmetic, Algorithms, Theoretical Computer Science, Computational Thinking, Algebra, Applied Mathematics, Python Programming

      4.5
      Rating, 4.5 out of 5 stars
      ·
      607 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
    1234…21

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

    • Blockchain Security: Infosec
    • Secure Coding Practices: University of California, Davis
    • Basic Cryptography and Programming with Crypto API: University of Colorado System
    • ISC2 Systems Security Certified Practitioner (SSCP): ISC2
    • An Introduction to Cryptography: University of Leeds
    • Encryption and Cryptography Essentials: IBM
    • Certified Ethical Hacking (v12): LearnKartS
    • Cybersecurity Awareness for Everyone: Kennesaw State University
    • IT Security: Defense against the digital dark arts : Google
    • Advanced System Security Design: University of Colorado System

    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