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.

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

Universitat Autònoma de Barcelona
Skills you'll gain: Legal Technology, Payment Systems, Blockchain, Personally Identifiable Information, digital literacy, Law, Regulation, and Compliance, Digital Assets, E-Commerce, General Data Protection Regulation (GDPR), Information Privacy, Cyber Governance, Internet Of Things, Legal Risk, Regulation and Legal Compliance, FinTech, Commercial Laws, Robotics, Contract Compliance, Tax, Cryptography
Beginner · Course · 1 - 3 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, Information Assurance, Cyber Security Policies, 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

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

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

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

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

Association of International Certified Professional Accountants
Skills you'll gain: Blockchain, FinTech, Emerging Technologies, Legal Technology, Digital Assets, Payment Systems, Cryptography, Accounting and Finance Software, Technology Solutions, Transaction Processing, Supply Chain Management, Technical Services
Beginner · Course · 1 - 4 Weeks

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

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

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