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.

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

Duke University
Skills you'll gain: Loans, FinTech, General Lending, Key Management, Cryptography, Cryptographic Protocols, Digital Assets, Market Liquidity, Financial Trading, Finance, Transaction Processing, Public Key Infrastructure, Supply Management
★ 4.9 (492) · Intermediate · Course · 1 - 4 Weeks
University of London
Skills you'll gain: Arithmetic, Applied Mathematics, Computer Science, General Mathematics, Numerical Analysis, Mathematical Modeling, Algebra, Cryptography, Logical Reasoning, Geometry, Deductive Reasoning
★ 4.2 (282) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, IT Security Architecture, Security Testing, Single Sign-On (SSO), Data Security, Contingency Planning, User Provisioning, Cryptography, Network Security, Application Security, Information Systems Security, Cryptographic Protocols, Asset Protection, Cloud Security, Computer Security Incident Management, Digital Assets, Public Key Cryptography Standards (PKCS), Incident Response, Risk Management Framework, Risk Management
★ 4.7 (113) · Advanced · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Public Key Infrastructure, Security Controls, Infrastructure Security, Gap Analysis, Security Information and Event Management (SIEM), Continuous Monitoring, Key Management, Cyber Risk, Incident Response, Bank Regulations, Banking Services, Public Key Cryptography Standards (PKCS), Event Monitoring, Commercial Banking, Banking, Network Security, Compliance Management, Retail Banking, Financial Auditing, Financial Analysis
Intermediate · Course · 1 - 4 Weeks

Palo Alto Networks
Skills you'll gain: Network Security, Cloud Security, Cybersecurity, Cloud Deployment, Cloud Technologies, Network Administration, IT Security Architecture, Cloud Infrastructure, Firewall, Endpoint Detection and Response, Cloud Services, Computer Security, Network Infrastructure, Data Security, AI Security, Docker (Software), Security Management, Software As A Service, Hybrid Cloud Computing, Threat Detection
★ 4.6 (894) · Beginner · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Internet Of Things, Security Engineering, Information Systems Security, Wireless Networks, Infrastructure Security, General Networking, Cybersecurity, IBM Cloud, Cloud Platforms, Cryptography, Telecommunications, Network Protocols, Market Opportunities, Automation, Emerging Technologies, Embedded Systems, Cloud Deployment, Software-Defined Networking, Market Intelligence
★ 4.7 (628) · Intermediate · Course · 1 - 3 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

Skills you'll gain: Open Web Application Security Project (OWASP), Exploitation techniques, Vulnerability Assessments, Application Security, Vulnerability Management, Security Controls, Authorization (Computing), Cryptography, System Configuration, Encryption, Software Design
★ 4.4 (75) · Intermediate · Course · 1 - 3 Months

EC-Council
Skills you'll gain: Network Security, Mobile Security, Public Key Infrastructure, Cryptography, Security Controls, Cryptographic Protocols, Cybersecurity, Authorization (Computing), Encryption, Authentications, Identity and Access Management, Wireless Networks, Cloud Computing, Cloud Security, Virtual Machines, Network Monitoring, Data Security, Internet Of Things, Virtualization and Virtual Machines
★ 4.6 (125) · Beginner · Course · 1 - 3 Months

Association of International Certified Professional Accountants
Skills you'll gain: Key Management, Blockchain, Digital Assets, Emerging Technologies, Cryptographic Protocols, Cryptography, Distributed Computing, Transaction Processing
★ 4.7 (135) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Role-Based Access Control (RBAC), Authorization (Computing), Identity and Access Management, AWS Identity and Access Management (IAM), Security Controls, Geographic Information Systems, Geospatial Information and Technology, Encryption, Data Security, Network Security, Public Key Infrastructure, Cryptography, Web Applications, Wireless Networks
★ 4.6 (377) · Beginner · Course · 1 - 4 Weeks