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.

Duke University
Skills you'll gain: Blockchain, FinTech, Emerging Technologies, Cryptography, Law, Regulation, and Compliance, Financial Regulation, Regulatory Requirements, Regulatory Compliance, Encryption, Technology Strategies, Business Logic, Payment Systems, Data Integrity, Digital Assets, Financial Services, Public Key Infrastructure, Innovation, Distributed Computing, Due Diligence, Network Protocols
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Risk Management, Business Risk Management, Interoperability, Cyber Risk, Information Technology Architecture, Network Architecture, Solution Architecture, Governance, Application Security, Technical Documentation, Cryptography, Cyber Governance, Enterprise Architecture, Data Storage, Systems Architecture, Regulation and Legal Compliance, Regulatory Requirements, Financial Regulations, Network Security
Beginner · 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

Association of International Certified Professional Accountants
Skills you'll gain: Key Management, Blockchain, Digital Assets, Emerging Technologies, Cryptography, Distributed Computing, Transaction Processing, Ledgers (Accounting), Data Storage, Data Integrity
Beginner · Course · 1 - 4 Weeks

EIT Digital
Skills you'll gain: General Data Protection Regulation (GDPR), Information Privacy, Personally Identifiable Information, Data Security, Data Governance, Data Ethics, Data Integrity, Vulnerability Assessments, Law, Regulation, and Compliance, Big Data, Cryptography
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Cybersecurity, TCP/IP, Network Protocols, Data Security, Litigation Support, Network Security, General Networking, Record Keeping, Data Storage, Data Integrity, Cryptography, File Management, File Systems, Encryption, Data Validation, Command-Line Interface, Technical Writing, Linux Commands, Unix Commands, Algorithms
Intermediate · Course · 1 - 3 Months

Association of International Certified Professional Accountants
Skills you'll gain: Blockchain, Key Management, Digital Assets, Supply Chain Management, FinTech, Asset Management, Cybersecurity, Accounting, Security Awareness, Payment Systems, Emerging Technologies, Ledgers (Accounting), Security Controls, Securities (Finance), Cryptography, Multi-Factor Authentication, Transaction Processing, Authentications, Risk Management, Business
Beginner · Specialization · 1 - 3 Months

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

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

University of California San Diego
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
Beginner · Specialization · 3 - 6 Months

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

Universidad de los Andes
Skills you'll gain: Cryptography, Security Requirements Analysis, Encryption, Data Security, Security Management, Personally Identifiable Information, Threat Management, ISO/IEC 27001, Cyber Security Policies, Information Assurance, General Data Protection Regulation (GDPR), Cybersecurity, Information Privacy, Security Awareness, Threat Detection, Cyber Risk, Human Factors, Authentications, Data Integrity, Authorization (Computing)
Beginner · Course · 1 - 4 Weeks