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.

Cisco Learning and Certifications
Skills you'll gain: Windows PowerShell, MITRE ATT&CK Framework, Incident Response, Cyber Threat Intelligence, Cyber Threat Hunting, Key Management, Linux, Endpoint Security, Data Security, Threat Modeling, Computer Security Incident Management, Threat Detection, Network Security, Cryptography, Operating System Administration, Linux Administration, File Systems, Cybersecurity, Vulnerability Assessments, Security Information and Event Management (SIEM)
★ 4.8 (1.2K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, IT Security Architecture, Security Architecture Review, Application Security, Application Design, DevSecOps, Cryptographic Protocols, Cryptography, Cloud Security, Threat Modeling, Hardening, Security Controls, Infrastructure Security, Authentications, Vulnerability Assessments, Data Access, Risk Analysis, Risk Management, Supply Chain
Intermediate · Course · 3 - 6 Months

Duke University
Skills you'll gain: Blockchain, FinTech, Interoperability, Payment Systems, Financial Inclusion, Financial Systems, Cryptography, Financial Regulations, Digital Assets, Cryptographic Protocols, Banking, Encryption, Transaction Processing, Data Integrity, Governance
★ 4.8 (1.6K) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Financial Modeling, Blockchain, FinTech, Risk Modeling, Portfolio Risk, Entrepreneurial Finance, Financial Market, Business Valuation, Risk Management, Excel Formulas, Market Data, Emerging Technologies, Cryptography, Risk Analysis, Fundraising and Crowdsourcing, Law, Regulation, and Compliance, Financial Analysis, Entrepreneurship, Finance, Microsoft Excel
★ 4.5 (1.5K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Digital Forensics, Penetration Testing, Network Security, Threat Management, Mobile Security, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Public Key Infrastructure, Vulnerability Assessments, Security Testing, Cryptography, Security Controls, Cryptographic Protocols, Cyber Security Assessment, Cybersecurity, Authorization (Computing), Cloud Computing, Malware Protection, Cyber Attacks, Data Integrity
★ 4.6 (817) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Mainframe Computing, Mainframe Technologies, z/OS, Virtualization, Virtualization and Virtual Machines, Virtual Machines, Hardware Architecture, Operating System Administration, Infrastructure Architecture, Computing Platforms, Enterprise Security, Computer Security, Computer Hardware, Cryptography, Transaction Processing, System Configuration, Authorization (Computing), Identity and Access Management, Memory Management
★ 4.7 (1.1K) · Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Cloud Security, Application Security, Network Security, Computer Security, Cloud Computing, Cybersecurity, Security Controls, Infrastructure Security, Remote Access Systems, Cyber Attacks, Public Key Infrastructure, Hardening, Cryptography, Vulnerability Management, Private Cloud, Cryptographic Protocols, Vulnerability Assessments, Virtualization, Virtual Machines, Authentications
★ 4.4 (112) · Beginner · Course · 1 - 4 Weeks

ISC2
Skills you'll gain: System Configuration, Configuration Management, Cyber Operations, Cybersecurity, Security Awareness, Computer Security Awareness Training, Data Security, Security Controls, Security Management, Event Monitoring, Encryption, Network Security, Continuous Monitoring, Software Configuration Management, Network Administration, IT General Controls (ITGC), Cyber Security Policies, Information Technology Operations, System Monitoring, Cryptography
★ 4.7 (216) · Beginner · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authentications, Key Management, Data Security, Cloud Applications, Cloud Development, Cloud Services, Application Security, Authorization (Computing), Cyber Risk, Secure Coding, Cloud Storage, Personally Identifiable Information, DevSecOps, General Data Protection Regulation (GDPR), Network Security, Information Privacy, Computer Security, Cryptography
★ 4.3 (172) · Beginner · Specialization · 3 - 6 Months

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Internet Of Things, Cryptography, Security Requirements Analysis, Network Architecture, Network Security, Operating Systems, Software Systems, System Programming, Cybersecurity, Real Time Data, Web Services, Advanced Encryption Standard (AES), Encryption, Network Protocols, Public Key Cryptography Standards (PKCS), Communication Systems, Systems Design
★ 4.3 (1.2K) · Intermediate · Specialization · 3 - 6 Months

ConsenSys Academy
Skills you'll gain: Blockchain, Cryptography, Interoperability, Cryptographic Protocols, Encryption, Public Key Cryptography Standards (PKCS), FinTech, Emerging Technologies, Ledgers (Accounting), Distributed Computing, Case Studies, Digital Assets, Data Integrity, Transaction Processing
★ 4.7 (846) · Beginner · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Physics, electromagnetics, Experimentation, Cryptography, Mathematical Modeling, Laboratory Research, Emerging Technologies
★ 4.8 (339) · Mixed · Course · 1 - 3 Months