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.

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: Data Security, Cryptography, Information Systems Security, Security Controls, Cryptographic Protocols, Security Management, Data Access, Vulnerability Assessments, Encryption, Threat Modeling, Vulnerability Management, Big Data, Authorization (Computing), Identity and Access Management
★ 4.7 (587) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Secure Coding, Encryption, Network Security, Swift Programming, Mobile Security, Application Security, Data Persistence, Data Storage Technologies, Key Management, Data Security, File Systems, Cryptography
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Cryptography, Cryptographic Protocols, Key Management, Security Engineering, Threat Modeling, Security Management, Authorization (Computing), Encryption, Email Security, Data Integrity, Authentications
★ 3.9 (241) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MITRE ATT&CK Framework, Vulnerability Assessments, Open Web Application Security Project (OWASP), Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Scanning, Vulnerability Management, Threat Modeling, Cybersecurity, Malware Protection, Mobile Security, Cyber Threat Intelligence, Penetration Testing, Exploitation techniques, Brute-force attacks, Network Security, Cryptography, Threat Management, Information Systems Security, Threat Detection, Cloud Security
★ 4.8 (35) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cryptography, Object Oriented Design, Object Oriented Programming (OOP), File I/O, Encryption, Cryptographic Protocols, Data Structures, Program Development, Software Development, Data Visualization, Model Evaluation, Problem Solving, Automation, Model Training, Classification Algorithms, Database Application, Python Programming, Software Installation, Code Reusability, Functional Design
★ 4.7 (105) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Exploit development, Metasploit, Vulnerability Scanning, Malware Protection, Exploitation techniques, Database Management, Cyber Security Strategy, Security Testing, Vulnerability Assessments, Cyber Security Assessment, Cryptography, Cybersecurity, Brute-force attacks, Hardening, Threat Detection, Data Import/Export, Email Security, Linux, Linux Administration
★ 4.8 (104) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: MITRE ATT&CK Framework, Threat Modeling, Threat Management, Cybersecurity, Application Security, IT Security Architecture, Azure Active Directory, Security Strategy, Internet Of Things, Secure Coding, Security Controls, Microsoft Azure, Identity and Access Management, Asset Management
★ 4.6 (102) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), ASP.NET, Authorization (Computing), Secure Coding, DevSecOps, AI Security, Authentications, Application Security, Responsible AI, Hardening, Data Security, AI Integrations, Software Development Life Cycle, .NET Framework, Security Controls, Security Engineering, Multi-Factor Authentication, Encryption, Software Engineering, Building Codes
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Computer Security Incident Management, Vulnerability Management, Cyber Security Strategy, Cyber Governance, Incident Response, Cyber Operations, Cyber Threat Intelligence, Encryption, Cyber Attacks, Security Management, Governance Risk Management and Compliance, Incident Management, Cryptographic Protocols, Threat Detection, Security Strategy, Mobile Security, Vulnerability, Security Awareness, Vulnerability Assessments, Vulnerability Scanning
★ 4.7 (56) · Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Cyber Security Assessment, Computer Security, Threat Modeling, Secure Coding, Cyber Security Strategy, Cloud Infrastructure, Email Security, Cloud Computing Architecture, Cloud Platforms, Security Controls, Security Testing, Hardening, Cloud-Native Computing, Database Application, Zero Trust Network Access, SQL
★ 4.7 (52) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Business Continuity, Cryptographic Protocols, Network Security, Cryptography, Encryption, User Provisioning, Security Management, Penetration Testing, ISO/IEC 27001, Threat Management, Network Performance Management, Information Systems Security, Network Architecture, Cyber Operations, Data Management, Software Development Methodologies, Cybersecurity, Configuration Management, White-Box Testing
★ 4.8 (177) · Beginner · Specialization · 3 - 6 Months