• 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
    U

    University of Colorado System

    Fundamentals of Network Communication

    Skills you'll gain: Digital Communications, OSI Models, Network Protocols, TCP/IP, Communication Systems, Network Routing, Network Architecture, Network Planning And Design, General Networking, Computer Networking, System Programming, Data Integrity

    4.6
    Rating, 4.6 out of 5 stars
    ·
    2.4K reviews

    Intermediate · Course · 1 - 3 Months

  • 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
    ·
    35 reviews

    Beginner · Course · 1 - 3 Months

  • 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, Blockchain, Incident Response, Vulnerability Scanning, Code Review, Data Security, Development Testing, Authorization (Computing), Data Validation

    4.8
    Rating, 4.8 out of 5 stars
    ·
    30 reviews

    Intermediate · Course · 1 - 4 Weeks

  • Status: New
    New
    Status: Free Trial
    Free Trial
    P

    Pearson

    (SSCP) Systems Security Certified Practitioner: Unit 5

    Skills you'll gain: Network Security, OSI Models, Distributed Denial-Of-Service (DDoS) Attacks, Firewall, TCP/IP, Network Administration, Wireless Networks, Network Protocols, General Networking, Intrusion Detection and Prevention, Local Area Networks, Network Routers, Security Controls, Mobile Security, Authentications, Authorization (Computing)

    Beginner · Course · 1 - 4 Weeks

  • 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

    Computer Communications

    Skills you'll gain: TCP/IP, Local Area Networks, Routing Protocols, Network Routing, Digital Communications, OSI Models, Network Protocols, Communication Systems, Dynamic Host Configuration Protocol (DHCP), Network Planning And Design, Network Security, Network Architecture, General Networking, Computer Networking, Network Infrastructure, Network Performance Management, Wireless Networks, Telecommunications, Software-Defined Networking, Algorithms

    4.6
    Rating, 4.6 out of 5 stars
    ·
    3.4K reviews

    Intermediate · Specialization · 3 - 6 Months

  • Status: Free Trial
    Free Trial
    G

    Google

    Connect and Protect: Networks and Network Security

    Skills you'll gain: Network Security, Hardening, Network Protocols, Cloud Security, Network Architecture, Intrusion Detection and Prevention, TCP/IP, Vulnerability Assessments, Computer Networking, Network Infrastructure, Firewall, Cloud Computing, Virtual Private Networks (VPN)

    4.8
    Rating, 4.8 out of 5 stars
    ·
    6.8K reviews

    Beginner · Course · 1 - 4 Weeks

  • 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
    ·
    14 reviews

    Beginner · Course · 1 - 3 Months

  • Status: Free Trial
    Free Trial
    U

    University of California, Davis

    Principles of Secure Coding

    Skills you'll gain: Secure Coding, Application Security, Software Design, Programming Principles, Debugging, Vulnerability Assessments, C (Programming Language), Software Development Methodologies

    4.4
    Rating, 4.4 out of 5 stars
    ·
    373 reviews

    Intermediate · Course · 1 - 4 Weeks

  • Status: Free Trial
    Free Trial
    U

    University of London

    Introduction to Computer Security

    Skills you'll gain: Linux, Linux Commands, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Vulnerability Assessments, Hardware Architecture, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, Authentications, Network Monitoring, TCP/IP, Network Analysis

    4.8
    Rating, 4.8 out of 5 stars
    ·
    39 reviews

    Beginner · Course · 1 - 4 Weeks

  • Status: Preview
    Preview
    U

    University of Michigan

    Securing Digital Democracy

    Skills you'll gain: Cyber Security Policies, Security Engineering, Cybersecurity, Security Awareness, Threat Modeling, Policy Analysis, Political Sciences, Vulnerability Assessments, Public Policies, Public Safety and National Security, Human Factors, Human Computer Interaction, Usability, Software Testing

    4.8
    Rating, 4.8 out of 5 stars
    ·
    170 reviews

    Beginner · Course · 1 - 3 Months

  • Status: New
    New
    P

    Packt

    Beginning Security

    Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Data Security, Cybersecurity, Cyber Attacks, Web Applications, Threat Detection, Security Awareness, Vulnerability Management, Encryption, Authentications, Authorization (Computing), PHP (Scripting Language)

    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…22232425

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

  • Fundamentals of Network Communication: University of Colorado System
  • Cybersecurity: Protecting your Information at Home: Kennesaw State University
  • Security and Auditing in Ethereum: EDUCBA
  • (SSCP) Systems Security Certified Practitioner: Unit 5: Pearson
  • Linux for Security Experts: Codio
  • Computer Communications: University of Colorado System
  • Connect and Protect: Networks and Network Security: Google
  • What Is Cybersecurity?: Kennesaw State University
  • Principles of Secure Coding: University of California, Davis
  • Introduction to Computer Security: University of London

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