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.

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, Network Administration, IT General Controls (ITGC), Cyber Security Policies, Information Technology Operations, System Monitoring, Patch Management, Cryptography
★ 4.7 (205) · Beginner · 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

University of Leeds
Skills you'll gain: Logical Reasoning, Deductive Reasoning, Computational Logic, Computational Thinking, Algorithms, Artificial Intelligence, Cryptography, Graph Theory
★ 4.6 (33) · 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 (100) · Advanced · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authentications, Key Management, Data Security, Cloud Applications, 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, Continuous Monitoring, Computer Security, Cryptography
★ 4.3 (168) · Beginner · Specialization · 3 - 6 Months

University of Cape Town
Skills you'll gain: Design Thinking, Entrepreneurship, Business Modeling, Blockchain, Bank Regulations, Cryptography, Financial Regulations, FinTech, Cryptographic Protocols, Regulation and Legal Compliance, Financial Regulation, Entrepreneurial Finance, Business Planning, Emerging Technologies, Financial Systems, Video Production, Innovation, Market Opportunities, Sales Presentations, Ledgers (Accounting)
★ 4.7 (266) · Beginner · Specialization · 3 - 6 Months

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
★ 4.3 (108) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, File Systems, Cloud Computing, Cloud Computing Architecture, Security Controls, Operating Systems, Transaction Processing, Information Systems Security, Data Centers, Cyber Security Policies, Authorization (Computing), Apache Hadoop, Data Store, Database Theory, Cloud Security, Authentications, Cryptography, NoSQL, Algorithms, Graph Theory
★ 4.5 (321) · Mixed · Course · 1 - 3 Months
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Web Components, Cryptography, Data Validation, Unit Testing, Vue.JS, Development Testing, Data Security, Authentications, Encryption, Authorization (Computing), HTML and CSS, Hypertext Markup Language (HTML), Web Applications, Javascript, Security Strategy, Computer Programming
★ 4.3 (102) · Beginner · Specialization · 1 - 3 Months

Association of International Certified Professional Accountants
Skills you'll gain: Blockchain, Key Management, Digital Assets, Asset Protection, Supply Chain, Data Security, Supply Chain Management, FinTech, Cryptography, Security Management, Cybersecurity, Public Key Infrastructure, Accounting, Security Awareness, Payment Systems, Emerging Technologies, Ledgers (Accounting), Security Controls, Risk Management, Business
★ 4.6 (217) · Beginner · Specialization · 1 - 3 Months

New York University
Skills you'll gain: Cyber Attacks, Infrastructure Security, Mobile Security, Enterprise Security, Cyber Risk, Cyber Governance, Cyber Security Policies, Cybersecurity, IT Security Architecture, Cloud Security, NIST 800-53, Hybrid Cloud Computing, Security Awareness, Security Controls, Risk Management Framework, Blockchain, Internet Of Things, Cryptographic Protocols, Cryptography, Data Integrity
★ 4.7 (683) · Intermediate · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Digital Forensics, Network Security, Incident Response, Cryptography, Penetration Testing, Vulnerability Management, Cybersecurity, Application Security, Cyber Security Policies, Security Information and Event Management (SIEM), Threat Detection, Network Monitoring, Cloud Security, Vulnerability Assessments, Malware Protection, Mobile Security, Identity and Access Management, Internet Of Things, Risk Analysis, Web Applications
★ 4.9 (45) · Beginner · Professional Certificate · 3 - 6 Months