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.

LearnKartS
Skills you'll gain: Cyber Security Strategy, Cyber Threat Intelligence, Threat Management, Network Model, IT Security Architecture, Exploitation techniques, Security Controls, Security Awareness, System Design and Implementation, Cryptography, Resilience, Service Recovery
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Security, Cybersecurity, Cyber Attacks, Data Ethics, Computer Security, Authentications, Cryptography, Information Assurance, Cyber Security Policies, Authorization (Computing), Security Software, Security Controls, Cyber Security Assessment, Information Privacy, Encryption, Data Access, Security Awareness, Risk Analysis, Problem Solving, Communication
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: AI Security, Penetration Testing, Exploit development, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Security Testing, Cyber Security Assessment, Cyber Operations, Computer Security, 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
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Quantum computing, Algorithms, Computer Hardware, IBM Cloud, Cryptography, Python Programming, Computer Programming, Software Documentation, Simulations
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Vulnerability Management, Security Engineering, Secure Coding, Software Design Patterns, Software Architecture, Threat Management, Software Visualization, Exploitation techniques, Cryptography, Blockchain, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Application Deployment, Software Development Tools, Application Development, Go (Programming Language), Development Environment, Computer Programming Tools, Business Logic, Software Development, Program Development, Digital Assets, FinTech, Virtual Machines, Transaction Processing, Distributed Computing, Cryptography, Emerging Technologies, Encryption, Business Analysis, Market Dynamics
Intermediate · Specialization · 1 - 3 Months

Macquarie University
Skills you'll gain: Data Security, Threat Detection, Cybersecurity, Cyber Attacks, Cyber Risk, Data Management, Security Controls, Cyber Governance, Security Management, Encryption, Security Software, Cryptography, Data Sharing, Security Strategy, Network Security, Data Access, Risk Modeling, Statistical Methods
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: JUnit, File I/O, Unit Testing, Java Programming, Debugging, Java, Maintainability, Software Development, Secure Coding, Software Testing, Authentications, Data Import/Export, Cryptography, Eclipse (Software), Integrated Development Environments, Encryption, Data Structures
Intermediate · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Resource Allocation, Production Planning, Graph Theory, Data-Driven Decision-Making, Production Schedule, Decision Making, Mathematical Modeling, Network Planning And Design, Mathematical Software, Model Optimization, Computational Logic, Algorithms, Cryptography
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: IT Security Architecture, Network Security, Infrastructure Security, Enterprise Application Management, Software-Defined Networking, Computer Networking, Application Security, Zero Trust Network Access, Security Engineering, Network Architecture, Cybersecurity, Enterprise Architecture, Software Quality Assurance, Cloud Security, General Networking, DevSecOps, Cryptography
Advanced · Course · 1 - 4 Weeks

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

Skills you'll gain: Secure Coding, Application Security, Open Web Application Security Project (OWASP), Security Engineering, Cyber Attacks, Cybersecurity, Security Requirements Analysis, Security Testing, Threat Modeling, Vulnerability Assessments, Software Design, Encryption, Vulnerability Management, Security Controls, Data Security, Cryptography, Continuous Monitoring, Authentications, Development Testing, System Monitoring
Intermediate · Course · 1 - 3 Months