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.

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, Application Development, Web Applications, Payment Systems, Cryptography, Investments, FinTech, Digital Assets, Open Source Technology, Distributed Computing, Fundraising and Crowdsourcing, Transaction Processing, Algorithms, Financial Regulations, Governance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Encryption, Cybersecurity, Cryptography, File I/O, Python Programming, Programming Principles, Debugging, Data Mapping, Software Testing, Data Structures
★ 4.8 (13) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Integrity, Data Management, Cloud Management, Data Loss Prevention, Cloud Storage, Data Storage Technologies, Data Storage, Security Controls, Key Management, Cloud Standards, Cryptography, Identity and Access Management
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Blockchain, User Interface (UI), User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Cryptography, Secure Coding, Security Testing, Security Architecture Review, Web Development Tools, Security Controls, React Redux, Encryption, User Experience Design, Key Management, Cryptographic Protocols, Security Strategy, Application Security, Legal Technology, Vulnerability Assessments, Data Security
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), API Design, Application Programming Interface (API), Application Security, Secure Coding, Security Controls, Vulnerability Assessments, Authorization (Computing), Hardening, Cryptographic Protocols, Cryptography, Authentications, Exploitation techniques
Intermediate · Course · 1 - 4 Weeks

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Transaction Processing, Payment Systems, FinTech, Encryption, Data Structures, Public Key Cryptography Standards (PKCS), Virtualization and Virtual Machines, Network Protocols, Software Architecture, Distributed Computing, Data Integrity, Network Architecture, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Security, Disaster Recovery, General Networking, Network Administration, Authentications, Vulnerability Assessments, Network Infrastructure, Computer Security, Wireless Networks, Cybersecurity, Network Monitoring, Local Area Networks, Network Performance Management, Telecommunications, Network Protocols, Security Controls, Event Monitoring, Network Routing, Cryptography, Encryption
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Endpoint Security, Database Application, Web Applications, Cryptography, Object-Relational Mapping, Authentications, Data Access, Query Languages, Computer Programming
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, FinTech, Market Trend, Cryptography, Digital Assets, Payment Systems, Financial Market, Financial Systems, Key Management, Financial Services
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Security, Internet Of Things, Network Security, Application Security, Security Management, Data Security, Cloud Services, Security Controls, Time Series Analysis and Forecasting, Cryptography, Data Analysis, Cryptographic Protocols, Identity and Access Management, Data Integrity, Authentications, Vulnerability Assessments
★ 4.9 (18) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Mapping, Memory Management, Exploit development, Web Applications, Computational Logic, Code Reusability, Authorization (Computing), Software Development Tools, Security Controls, Other Programming Languages, Program Development, Data Storage
★ 4.8 (12) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cybersecurity, Endpoint Security, Network Security, Cyber Attacks, Encryption, Cyber Security Assessment, Application Security, Computer Security, Cyber Security Policies, Penetration Testing, Data Security, Firewall, Cryptography, Intrusion Detection and Prevention, Security Awareness, Mobile Security, Malware Protection, Human Factors (Security)
Beginner · Course · 1 - 3 Months