Quantum cryptography courses can help you learn the principles of quantum mechanics, key cryptographic protocols, and secure communication techniques. You can build skills in implementing quantum key distribution, understanding entanglement, and analyzing security proofs. Many courses introduce tools like Qiskit for quantum programming and various simulation software that allow you to experiment with quantum algorithms and cryptographic systems.

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Exploitation techniques, Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Security Controls, Data Integrity, Continuous Monitoring, Secure Coding, System Monitoring, Patch Management, Identity and Access Management, Multi-Factor Authentication, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration, Incident Response
★ 4.5 (125) · Intermediate · Specialization · 3 - 6 Months

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

Skills you'll gain: Cyber Governance, Cyber Security Policies, Cybersecurity, Intrusion Detection and Prevention, Cryptography, Security Management, Cyber Security Strategy, 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

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

LearnKartS
Skills you'll gain: Security Controls, Cybersecurity, Encryption, Cyber Attacks, Information Systems Security, Cryptographic Protocols, Threat Management, Vulnerability Assessments, Vulnerability, Cyber Security Assessment, Vulnerability Scanning, Threat Detection, Cloud Security, Key Management, Asset Protection, Security Awareness, Gap Analysis
★ 4.7 (35) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management Framework, Risk Analysis, Risk Management, Cybersecurity, Incident Management, Network Security, Incident Response, Cloud Security, Cyber Attacks, Authentications, Business Continuity Planning, Information Systems Security, Application Security, Security Management, Threat Modeling, OSI Models, Threat Management, Disaster Recovery, Cryptography, Vulnerability Assessments
Intermediate · Specialization · 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

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

Association of International Certified Professional Accountants
Skills you'll gain: Digital Assets, Blockchain, Asset Protection, Data Security, Cryptography, Security Management, Cybersecurity, Security Awareness, Key Management, Security Controls, Securities (Finance), Multi-Factor Authentication, Authentications, Securities Trading, Audit Working Papers, Financial Market, Market Data, Financial Regulations, Regulatory Compliance, Financial Accounting
★ 4.7 (93) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Cryptography, Web Components, 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

Packt
Skills you'll gain: Threat Management, Vulnerability Assessments, Incident Response, Incident Management, Computer Security Incident Management, Public Key Infrastructure, IT Security Architecture, Disaster Recovery, Vulnerability Management, Law, Regulation, and Compliance, Threat Detection, Cyber Security Assessment, Risk Management, Risk Management Framework, Network Security, Infrastructure Security, Cloud Security, Hardening, Security Engineering, Enterprise Application Management
★ 4.7 (25) · Beginner · Specialization · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cyber Security Strategy, Cyber Threat Intelligence, Threat Management, Network Model, IT Security Architecture, Exploitation techniques, Security Controls, Security Awareness, System Design and Implementation, Cryptography, Resilience, Service Recovery
★ 5 (7) · Beginner · Course · 1 - 4 Weeks