• For Individuals
  • For Businesses
  • For Universities
  • For Governments
Coursera
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
    P

    Packt

    Advanced Security Architecture

    Skills you'll gain: IT Security Architecture, Network Security, Infrastructure Security, Software-Defined Networking, Application Security, Zero Trust Network Access, Network Architecture, Threat Modeling, Cybersecurity, Enterprise Architecture, Security Controls, Secure Coding, Cloud Security, Scenario Testing, Cryptography, Vulnerability Assessments

    Advanced · Course · 1 - 4 Weeks

  • Status: Free Trial
    Free Trial
    L

    LearnKartS

    Core Java for Complete Beginners

    Skills you'll gain: JUnit, Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Java, Unit Testing, Debugging, Maintainability, Software Development, Secure Coding, Software Testing, Programming Principles, Computer Programming, Test Case, Application Development, Authentications, Application Security, Android Development, Cryptography, Software Design Patterns

    4.6
    Rating, 4.6 out of 5 stars
    ·
    77 reviews

    Beginner · Specialization · 1 - 3 Months

  • Status: New
    New
    Status: Free Trial
    Free Trial
    U

    University of Colorado Boulder

    Security and Ethical Hacking

    Skills you'll gain: Penetration Testing, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Cyber Security Assessment, Unix, Computer Security, Network Monitoring, Application Security, Vulnerability Assessments, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Cryptographic Protocols, Network Protocols, Cryptography, Security Awareness, Generative AI Agents, Server Side, Web Applications, Machine Learning Algorithms

    4.4
    Rating, 4.4 out of 5 stars
    ·
    10 reviews

    Intermediate · Specialization · 3 - 6 Months

  • Status: Free Trial
    Free Trial
    U

    University of California, Davis

    Identifying Security Vulnerabilities in C/C++Programming

    Skills you'll gain: Secure Coding, Application Security, C and C++, Verification And Validation, Vulnerability Management, Linux, Security Controls, Vulnerability Assessments, Threat Modeling, Data Validation, Debugging, Cryptography, C (Programming Language), Identity and Access Management, Encryption, File Management, OS Process Management

    4.6
    Rating, 4.6 out of 5 stars
    ·
    80 reviews

    Intermediate · Course · 1 - 4 Weeks

  • Status: Free Trial
    Free Trial
    U

    University of Colorado Boulder

    Cybersecurity for Data Science

    Skills you'll gain: Data Security, Cybersecurity, Data Ethics, Authentications, Data Encryption Standard, Computer Security Awareness Training, Cryptography, Cyber Security Policies, Cyber Threat Intelligence, Authorization (Computing), Security Controls, Information Privacy, Security Awareness, Threat Modeling, Risk Analysis, Problem Solving, Communication

    Build toward a degree

    3.6
    Rating, 3.6 out of 5 stars
    ·
    26 reviews

    Beginner · Course · 1 - 3 Months

  • Status: Free Trial
    Free Trial
    U

    University of Minnesota

    Cloud Top Ten Risks

    Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authorization (Computing), Cyber Risk, Authentications, Cloud Computing, Threat Management, Security Controls, Application Security, Secure Coding, System Monitoring, Cryptography, Security Testing, Data Security, Identity and Access Management

    4.6
    Rating, 4.6 out of 5 stars
    ·
    26 reviews

    Intermediate · Course · 1 - 4 Weeks

  • Status: Preview
    Preview
    P

    Pohang University of Science and Technology(POSTECH)

    Introduction to Blockchain

    Skills you'll gain: Blockchain, FinTech, Payment Systems, Cryptography, Digital Assets, Emerging Technologies, Distributed Computing, Cryptographic Protocols, E-Commerce, Transaction Processing, Algorithms, Fundraising

    4.7
    Rating, 4.7 out of 5 stars
    ·
    7 reviews

    Beginner · Course · 1 - 3 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
    ·
    59 reviews

    Intermediate · Course · 1 - 4 Weeks

  • 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

    4.6
    Rating, 4.6 out of 5 stars
    ·
    9 reviews

    Beginner · Course · 3 - 6 Months

  • Status: Free Trial
    Free Trial
    J

    Johns Hopkins University

    Introduction to Ethical Hacking

    Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Open Web Application Security Project (OWASP), Cyber Security Assessment, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Threat Modeling, Cybersecurity, Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Cyber Threat Intelligence, Mobile Security, Cyber Operations, Security Testing, Vulnerability Scanning, Network Security, Operating Systems, Encryption

    3.6
    Rating, 3.6 out of 5 stars
    ·
    14 reviews

    Intermediate · Specialization · 3 - 6 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, Legal Technology, Digital Assets, Payment Systems, Cryptography, Accounting and Finance Software, Technology Solutions, Transaction Processing, Supply Chain Management, Technical Services

    4.5
    Rating, 4.5 out of 5 stars
    ·
    76 reviews

    Beginner · Course · 1 - 4 Weeks

  • Status: Free Trial
    Free Trial
    U

    University of California San Diego

    Teaching Impacts of Technology in K-12 Education

    Skills you'll gain: Data Ethics, Interactive Learning, Big Data, Cybersecurity, Student Engagement, Pedagogy, Blockchain, Algorithms, Data Security, Teaching, Cryptography, Education and Training, Technical Communication, Education Software and Technology, Diversity Awareness, Digital Transformation, Diversity Equity and Inclusion Initiatives, Computer Science, Information Technology, Computational Thinking

    4.6
    Rating, 4.6 out of 5 stars
    ·
    60 reviews

    Beginner · Specialization · 3 - 6 Months

Cryptography learners also search

Cryptography Projects
Information Security
Information Science
Privacy
Information Engineering
Data Security
Software Security
Network Security
1…181920…25

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

  • Advanced Security Architecture: Packt
  • Core Java for Complete Beginners: LearnKartS
  • Security and Ethical Hacking: University of Colorado Boulder
  • Identifying Security Vulnerabilities in C/C++Programming: University of California, Davis
  • Cybersecurity for Data Science: University of Colorado Boulder
  • Cloud Top Ten Risks: University of Minnesota
  • Introduction to Blockchain: Pohang University of Science and Technology(POSTECH)
  • Data Engineering with Rust: Duke University
  • Practical Quantum Computing with IBM Qiskit for Beginners: Packt
  • Introduction to Ethical Hacking: Johns Hopkins University

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)
  • 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
  • Share your Coursera learning story

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