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, Application Security, Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Cloud Security, Threat Management, Infrastructure Security, Exploitation techniques, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Dependency Analysis
★ 4.5 (114) · Intermediate · Specialization · 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)
★ 4.6 (94) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Blockchain, Digital Assets, Portfolio Risk, Portfolio Management, Cryptography, Investments, Asset Protection, Market Dynamics, Cryptographic Protocols, FinTech, Financial Systems, Payment Systems, Financial Market, Financial Regulations, Securities (Finance), Financial Policy, Bank Regulations, Financial Regulation, Key Management, Cyber Risk
★ 5 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: IBM Cloud, Cryptography, Cryptographic Protocols, Algorithms, Key Management, Python Programming, Linear Algebra, Program Development, Simulations, Software Installation, Development Environment, Application Frameworks
★ 4.4 (11) · Beginner · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Threat Modeling, Cybersecurity, Cryptography, Mobile Security, Cryptographic Protocols, Security Testing, Vulnerability Scanning, Cyber Security Assessment, Application Security, Operating System Administration, Network Security, Operating Systems, Encryption, Hardening
★ 4 (20) · Intermediate · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Authentications, Secure Coding, Cryptography, Application Security, Web Applications, Javascript, Identity and Access Management, Node.JS, Security Awareness
★ 4.5 (70) · Intermediate · Course · 1 - 4 Weeks

Association of International Certified Professional Accountants
Skills you'll gain: Blockchain, FinTech, Emerging Technologies, Specialized Accounting, Legal Technology, Digital Assets, Cryptography, Cryptographic Protocols, Technology Solutions, Transaction Processing, Supply Chain Management, Information Privacy, Scalability
★ 4.6 (80) · Beginner · Course · 1 - 4 Weeks

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
★ 4.6 (19) · Intermediate · Specialization · 3 - 6 Months

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

Skills you'll gain: Cyber Governance, Cyber Security Policies, Cybersecurity, Intrusion Detection and Prevention, Cryptography, Cyber Security Strategy, Security Management, Network Security, Cryptographic Protocols, Cyber Attacks, Threat Modeling, Cyber Security Assessment, Vulnerability Assessments, Encryption, Cyber Risk, Threat Detection, Vulnerability Scanning, Threat Management, Incident Response, Risk Management Framework
★ 3.4 (17) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Data Pipelines, Rust (Programming Language), Restful API, Cloud-Based Integration, Amazon Web Services, Data Structures, Secure Coding, Data Processing, Application Programming Interface (API), Data Manipulation, System Programming, Cryptography, Python Programming, Command-Line Interface, Software Testing
★ 3.5 (68) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Digital Assets, Financial Inclusion, Transportation, Supply Chain, and Logistics, Plan Execution, Supply Chain, Governance, Supply Chain Management, Business Transformation, FinTech, Supply Chain Systems, Business Analysis, Market Opportunities, Interoperability, Business Leadership, Strategic Partnership, Strategic Leadership, Stakeholder Analysis, Logistics, Cryptography
★ 4.7 (72) · Beginner · Specialization · 3 - 6 Months