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.

University of Colorado Boulder
Skills you'll gain: AI Security, Penetration Testing, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Cyber Security Assessment, Unix, Computer Security, Network Monitoring, Application 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

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

University of California, Davis
Skills you'll gain: Secure Coding, Application Security, Verification And Validation, Code Review, Linux, Vulnerability Assessments, User Accounts, Data Validation, Debugging, Cryptography, C (Programming Language), File Management, OS Process Management
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, TCP/IP, Network Architecture, Network Protocols, General Networking, Network Routing, Network Routers, Computer Networking, Network Infrastructure, Routing Protocols, Network Model, Cryptography, Web Applications
Build toward a degree
Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Open Web Application Security Project (OWASP), AI Security, Vulnerability Assessments, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Cryptography, Penetration Testing, Intrusion Detection and Prevention, Cybersecurity, Cyber Security Assessment, Malware Protection, Mobile Security, Threat Modeling, Threat Detection, Encryption, Cloud Security, Web Applications, Internet Of Things, Cloud Computing, Network Architecture
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Algorithms, Computer Hardware, Cryptography, Python Programming, Computer Programming, Emerging Technologies, Theoretical Computer Science, Simulation and Simulation Software, Linear Algebra
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Data Pipelines, Rust (Programming Language), Restful API, Amazon Web Services, Cloud API, Data Structures, Data Processing, Application Programming Interface (API), Cloud Applications, Real Time Data, Data Manipulation, System Programming, Cryptography, Encryption, Python Programming, Command-Line Interface, Software Testing
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cyber Security Strategy, Security Controls, Security Awareness, Cryptography, Resilience, Service Recovery
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Big Data, Cybersecurity, Pedagogy, Student Engagement, Blockchain, Digital pedagogy, Algorithms, Data Security, Teaching, digital literacy, Cryptography, Technical Communication, Diversity Awareness, K-12 pedagogy, Information Privacy, Emerging Technologies, Computer Networking, Digital Transformation, Diversity Equity and Inclusion Initiatives, Computer Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Security Requirements Analysis, Network Architecture, Network Security, Internet Of Things, Cybersecurity, Web Services, Encryption, Embedded Systems, Network Protocols, Public Key Cryptography Standards (PKCS), Simple Object Access Protocol (SOAP), TCP/IP, Restful API, Information Privacy
Intermediate · Course · 1 - 3 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, Information Assurance, Cyber Threat Intelligence, Authorization (Computing), Security Controls, Information Privacy, Encryption, Security Awareness, Human Factors (Security), Risk Analysis, Problem Solving, Communication
Build toward a degree
Beginner · Course · 1 - 3 Months

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