Cryptography courses can help you learn encryption techniques, hashing algorithms, digital signatures, and secure communication protocols. You can build skills in threat modeling, cryptanalysis, and implementing security measures to protect sensitive data. Many courses introduce tools like OpenSSL, GnuPG, and various programming libraries that facilitate secure coding practices and help you apply cryptographic principles in real-world applications.

Infosec
Skills you'll gain: Authentications, Cryptography, Application Security, Web Applications, Javascript, Identity and Access Management, Node.JS, Browser Compatibility
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Algorithms, Computer Hardware, Cryptography, Python Programming, Computer Programming, Computational Thinking, Emerging Technologies, Technical Documentation, Theoretical Computer Science, Linear Algebra, Simulations
Beginner · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Cloud Computing, Information Technology, Cybersecurity, Machine Learning Algorithms, Critical Thinking, Simulations
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google App Engine, Authentications, Application Deployment, Identity and Access Management, Google Cloud Platform, Cloud Applications, Authorization (Computing), User Accounts, Cloud Development, Cryptography, Python Programming
Beginner · Project · Less Than 2 Hours

LearnKartS
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
Beginner · Specialization · 1 - 3 Months

Duke University
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
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Blockchain, Risk Management, Risk Analysis, Business Risk Management, Governance Risk Management and Compliance, Legal Risk, Interoperability, Cyber Risk, Network Architecture, Governance, Solution Architecture, Information Technology Architecture, Application Security, Project Documentation, Technical Documentation, Cryptography, Enterprise Architecture, Compliance Management, Data Storage, Systems Architecture
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
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
Beginner · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Resource Allocation, Operations Research, Production Planning, Graph Theory, Data-Driven Decision-Making, Decision Making, Mathematical Modeling, Process Optimization, Network Planning And Design, Complex Problem Solving, Computational Logic, Algorithms, Linear Algebra, Cryptography
Beginner · Course · 1 - 4 Weeks

University of Minnesota
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
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Open Web Application Security Project (OWASP), Vulnerability Assessments, Application Security, Vulnerability Management, Secure Coding, Hardening, Security Controls, Cybersecurity, Authorization (Computing), Cryptography, System Configuration, Encryption
Intermediate · Course · 1 - 3 Months