• 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
     *

    Build job-relevant skills in under 2 hours with hands-on tutorials.
    Learn from top instructors with graded assignments, videos, and discussion forums.
    Learn a new tool or skill in an interactive, hands-on environment.
    Get in-depth knowledge of a subject by completing a series of courses and projects.
    Earn career credentials from industry leaders that demonstrate your expertise.
    Earn your Bachelor’s or Master’s degree online for a fraction of the cost of in-person learning.

    Level
    Required
     *

    Duration
    Required
     *

    Skills
    Required
     *

    Subtitles
    Required
     *

    Educator
    Required
     *

    Explore the Cryptography Course Catalog

    • Status: Free Trial
      Free Trial
      A

      Association of International Certified Professional Accountants

      Blockchain Evolution and Technology Concepts

      Skills you'll gain: Key Management, Blockchain, Digital Assets, Emerging Technologies, Cryptography, Distributed Computing, Transaction Processing, Ledgers (Accounting), Data Storage, Data Integrity

      4.7
      Rating, 4.7 out of 5 stars
      ·
      130 reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      P

      Packt

      Certified Ethical Hacker (CEH) v.12

      Skills you'll gain: MITRE ATT&CK Framework, Vulnerability Assessments, Open Web Application Security Project (OWASP), Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Scanning, Vulnerability Management, Threat Modeling, Cybersecurity, Malware Protection, Mobile Security, Cyber Threat Intelligence, Penetration Testing, Exploitation techniques, Network Security, Cryptography, Exploit development, Information Systems Security, Threat Detection, Intrusion Detection and Prevention, Cloud Security

      4.7
      Rating, 4.7 out of 5 stars
      ·
      21 reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      D

      Duke University

      Data Engineering with Rust

      Skills you'll gain: Data Pipelines, Rust (Programming Language), Restful API, Amazon Web Services, Cloud API, Data Structures, Secure Coding, Data Processing, API Gateway, Cloud Applications, Real Time Data, Data Manipulation, Amazon S3, System Programming, Cryptography, Encryption, Python Programming, Command-Line Interface, Software Testing

      3.4
      Rating, 3.4 out of 5 stars
      ·
      55 reviews

      Intermediate · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      P

      Packt

      CompTIA Security+ SY0-701 Full Training Guide

      Skills you'll gain: Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Cryptography, Cybersecurity, Risk Management Framework, Cloud Computing Architecture, Network Security, Incident Response, Cloud Security, Threat Modeling, Encryption, Cyber Security Policies, Identity and Access Management, Secure Coding, Computer Security Incident Management, Cyber Security Assessment, Cyber Threat Intelligence, Vulnerability Assessments, Information Systems Security

      4.3
      Rating, 4.3 out of 5 stars
      ·
      13 reviews

      Intermediate · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      C

      Codio

      Linux for Security Experts

      Skills you'll gain: Vulnerability Scanning, Vulnerability Assessments, Linux, Linux Administration, Network Security, Authorization (Computing), User Accounts, Network Monitoring, System Monitoring, Hardening, Continuous Monitoring, Information Systems Security, Security Controls, Wireless Networks, Penetration Testing, Cybersecurity, Threat Detection, Containerization, File Management, Incident Response

      5
      Rating, 5 out of 5 stars
      ·
      7 reviews

      Beginner · Course · 1 - 4 Weeks

    • 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, Open Web Application Security Project (OWASP), Secure Coding, Software Design Patterns, Software Architecture, 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
      U

      University of Colorado Boulder

      Security & Ethical Hacking: Attacking the Network

      Skills you'll gain: Penetration Testing, Network Security, Network Monitoring, Exploitation techniques, Virtual Private Networks (VPN), Cryptographic Protocols, Network Protocols, General Networking, Computer Networking, Command-Line Interface, Network Analysis, Proxy Servers

      Build toward a degree

      4.6
      Rating, 4.6 out of 5 stars
      ·
      7 reviews

      Intermediate · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      P

      Packt

      Communication and Network Security

      Skills you'll gain: Network Security, Encryption, OSI Models, IT Security Architecture, Network Performance Management, Network Architecture, Computer Networking, Network Monitoring, Remote Access Systems, TCP/IP, Network Infrastructure, Network Troubleshooting, Network Protocols, Infrastructure Security, Wireless Networks, Virtual Private Networks (VPN), Endpoint Security, Cloud Security, Routing Protocols, Software-Defined Networking

      4.8
      Rating, 4.8 out of 5 stars
      ·
      8 reviews

      Intermediate · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      L

      LearnQuest

      Blockchain Security Advanced Protection

      Skills you'll gain: Blockchain, Key Management, Public Key Infrastructure, Cryptography, Application Security, Security Engineering, Secure Coding, Data Security, Threat Modeling, Security Testing, Solution Design, Vulnerability Assessments, Code Review

      4.5
      Rating, 4.5 out of 5 stars
      ·
      10 reviews

      Intermediate · Course · 1 - 3 Months

    • Status: Preview
      Preview
      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, Data Security, Encryption, Governance Risk Management and Compliance

      Build toward a degree

      4.9
      Rating, 4.9 out of 5 stars
      ·
      9 reviews

      Intermediate · Course · 1 - 3 Months

    • P

      Packt

      Practical Quantum Computing with IBM Qiskit for Beginners

      Skills you'll gain: IBM Cloud, Cryptography, Algorithms, Python Programming, Linear Algebra, Computational Thinking, Computer Science, Jupyter, Physics, Simulations, Software Installation, Development Environment

      4.5
      Rating, 4.5 out of 5 stars
      ·
      8 reviews

      Beginner · Course · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      K

      Kennesaw State University

      What Is Cybersecurity?

      Skills you'll gain: Cybersecurity, Cyber Security Policies, Computer Security Awareness Training, Cyber Attacks, Cyber Threat Intelligence, Personally Identifiable Information, Information Privacy, Data Ethics, Authentications, General Data Protection Regulation (GDPR), Human Factors (Security), NIST 800-53, Identity and Access Management

      4.9
      Rating, 4.9 out of 5 stars
      ·
      10 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…151617…23

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

    • Blockchain Evolution and Technology Concepts: Association of International Certified Professional Accountants
    • Certified Ethical Hacker (CEH) v.12: Packt
    • Data Engineering with Rust: Duke University
    • CompTIA Security+ SY0-701 Full Training Guide: Packt
    • Linux for Security Experts: Codio
    • Software Design Threats and Mitigations: University of Colorado System
    • Security & Ethical Hacking: Attacking the Network: University of Colorado Boulder
    • Communication and Network Security: Packt
    • Blockchain Security Advanced Protection : LearnQuest
    • Cyber Security Technologies: Illinois Tech

    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

    Skills

    • Artificial Intelligence (AI)
    • Cybersecurity
    • Data Analytics
    • Digital Marketing
    • English Speaking
    • Generative AI (GenAI)
    • Generative AI
    • Microsoft Excel
    • Microsoft Power BI
    • Project Management
    • Python

    Certificates & Programs

    • Google Cybersecurity Certificate
    • Google Data Analytics Certificate
    • Google IT Support Certificate
    • Google Project Management Certificate
    • Google UX Design Certificate
    • IBM Data Analyst Certificate
    • IBM Data Science Certificate
    • Machine Learning Certificate
    • Microsoft Power BI Data Analyst Certificate
    • UI / UX Design Certificate

    Industries & Careers

    • Business
    • Computer Science
    • Data Science
    • Education & Teaching
    • Engineering
    • Finance
    • Healthcare
    • Human Resources (HR)
    • Information Technology (IT)
    • Marketing

    Career Resources

    • Career Aptitude Test
    • Examples of Strengths and Weaknesses for Job Interviews
    • High-Income Skills to Learn
    • How Does Cryptocurrency Work?
    • How to Highlight Duplicates in Google Sheets
    • How to Learn Artificial Intelligence
    • Popular Cybersecurity Certifications
    • Preparing for the PMP Certification
    • Signs You Will Get the Job After an Interview
    • What Is Artificial Intelligence?

    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