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.

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, Compliance Management, Network Security, Infrastructure Security, Cloud Security, Hardening, Enterprise Application Management
★ 4.7 (28) · Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Database Management, Cryptographic Protocols, Cryptography, Database Software, Security Testing, Cyber Security Assessment, Data Import/Export, Encryption, Brute-force attacks, Vulnerability Assessments, Information Systems Security, Cybersecurity, SQL, Cyber Attacks, Command-Line Interface
★ 4.8 (21) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Blockchain, Interoperability, Network Architecture, Solution Architecture, Enterprise Architecture, Cryptography, Identity and Access Management, Emerging Technologies, Cryptographic Protocols, Quantum computing, Systems Integration, Semantic Web, Information Privacy, Enterprise Security, Technology Strategies, Threat Management, Requirements Analysis, Prototyping
Intermediate · Course · 1 - 3 Months

EC-Council
Skills you'll gain: Penetration Testing, Cybersecurity, Threat Management, Cloud Security, Mobile Security, Vulnerability Assessments, Network Security, Cyber Security Assessment, Application Security, Threat Detection, Security Testing, Cyber Attacks, Brute-force attacks, MITRE ATT&CK Framework, Encryption, Vulnerability Scanning, Cloud Computing, Exploitation techniques, Web Applications, Wireless Networks
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Network Security, Disaster Recovery, Cryptography, Cyber Operations, Encryption, Infrastructure as Code (IaC), Infrastructure Security, Software-Defined Networking, Security Management, Identity and Access Management, Security Controls, System Monitoring, Event Monitoring, Authentications
★ 4.8 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Loss Prevention, Security Testing, Network Security, Cryptography, Cyber Security Assessment, Security Management, Cryptographic Protocols, Security Controls, Cloud Security, Encryption, Data Security, Information Assurance, IT General Controls (ITGC), Identity and Access Management, Penetration Testing, Cloud Computing, Cyber Risk, Authorization (Computing), Authentications, Information Privacy
★ 4.8 (18) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Vulnerability Management, Continuous Monitoring, Digital Forensics, Public Key Infrastructure, Security Management, Business Continuity Planning, Cryptography, Endpoint Security, Disaster Recovery, Computer Security Incident Management, Encryption, Incident Management, Network Security, Authentications, Mobile Security, OSI Models, Security Controls, Security Strategy, Risk Analysis
★ 4.4 (7) · Beginner · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Data Ethics, Big Data, Cybersecurity, Data Security, Cryptography, Education Software and Technology, Information Privacy, Encryption, Digital pedagogy, Data Sharing, AI Personalization, Computer Science, Information Technology, Web Applications, Web Servers, Machine Learning, Machine Learning Methods, Supervised Learning
★ 4.6 (10) · Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Combinatorics, Probability & Statistics, Data Analysis, Advanced Mathematics, Linear Algebra, Mathematics and Mathematical Modeling, Mathematical Theory & Analysis, Geometry, Applied Mathematics, Statistics, Statistical Analysis, Statistical Methods, Probability, Algorithms, Algebra, Descriptive Statistics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Information Management, Security Controls, Configuration Management, Threat Management, Secure Coding, Vulnerability Assessments, System Configuration, Asset Management, Cloud Security, Patch Management, Cloud Management, Software Development Life Cycle, Asset Protection, Cloud Computing, Change Control, Encryption
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Blockchain, Digital Assets, FinTech, Financial Systems, Financial Inclusion, Financial Market, Financial Regulations, Capital Markets, Financial Regulation, Payment Systems, Financial Services, Cryptographic Protocols, Asset Management, Market Liquidity, Law, Regulation, and Compliance, Cryptography, Regulatory Requirements, Payment Processing
Mixed · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Transportation, Supply Chain, and Logistics, Supply Chain, Supply Chain Management, Supply Chain Systems, FinTech, Logistics, Business Transformation, Shipping and Receiving, Emerging Technologies, Logistics Management, Internet Of Things, Digital Assets, Digital Transformation, Interoperability, Supplier Management, Production Process, Asset Management, Manufacturing Operations, Fraud detection
★ 4.7 (30) · Beginner · Course · 1 - 3 Months