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.

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

Skills you'll gain: Secure Coding, Unit Testing, Cryptography, Performance Testing, LLM Application, Encryption, Authentications, Application Security, Authorization (Computing), Test Driven Development (TDD), Test Tools, Test Automation, Large Language Modeling, ASP.NET, .NET Framework, C# (Programming Language), Application Deployment, Object Oriented Design, General Data Protection Regulation (GDPR), Cloud Platforms
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Rust (Programming Language), Command-Line Interface, Build Tools, Encryption, Package and Software Management, Application Development, Cryptography, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Kennesaw State University
Skills you'll gain: Cybersecurity, IT Security Architecture, Network Security, Disaster Recovery, Application Security, Cyber Operations, Cryptography, Cyber Security Assessment, Information Systems Security, Cyber Risk, Encryption, Secure Coding, Systems Development Life Cycle, Security Controls, Cyber Governance, Security Management, Cyber Security Policies, Infrastructure Security, Security Awareness, Cryptographic Protocols
★ 4.3 (2.4K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Public Key Infrastructure, IT Security Architecture, Cloud Security, Hardening, Security Engineering, Cryptographic Protocols, Infrastructure Security, Information Systems Security, System Configuration, Cryptography, Endpoint Security, Key Management, Encryption, Mobile Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Operating System Administration, Linux, Linux Commands, Linux Servers, Virtualization, File Systems, Systems Administration, Command-Line Interface, Containerization, Bash (Scripting Language), Ubuntu, Hardening, Virtualization and Virtual Machines, Unix Commands, Red Hat Enterprise Linux, Network Troubleshooting, Shell Script, Data Storage, Application Deployment
Intermediate · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Penetration Testing, Distributed Denial-Of-Service (DDoS) Attacks, MITRE ATT&CK Framework, Cryptography, Cyber Threat Intelligence, Cyber Threat Hunting, Cybersecurity, Cyber Security Assessment, Cyber Security Strategy, Computer Security, Threat Modeling, Security Testing, Secure Coding, Cyber Attacks, Cloud Infrastructure, Email Security, Security Controls, Security Awareness, Cyber Risk, Security Strategy
★ 4.6 (296) · Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Cryptographic Protocols, Encryption, Key Management, Cybersecurity, Computer Security, Information Assurance, Theoretical Computer Science, Threat Modeling, Communication Systems
★ 4.5 (551) · Intermediate · Course · 1 - 4 Weeks

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

University of Colorado System
Skills you'll gain: Cryptography, Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Firewall, Cyber Attacks, Data Encryption Standard, Penetration Testing, Network Security, Information Assurance, Encryption, Exploit development, Advanced Encryption Standard (AES), Cryptographic Protocols, Intrusion Detection and Prevention, Metasploit, Application Security, Security Testing, Cyber Security Policies
★ 4 (603) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Network Security, Intrusion Detection and Prevention, Command-Line Interface, Cryptography, Cyber Security Strategy, Open Web Application Security Project (OWASP), Application Security, Secure Coding, Cybersecurity, IT Security Architecture, Encryption, Information Systems Security, Vulnerability Assessments, Cyber Attacks, Risk Management Framework, Multi-Factor Authentication, Cloud Security, Penetration Testing, Risk Management
★ 4.7 (68) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Design, Git (Version Control System), Software Design Patterns, Version Control, Secure Coding, Unit Testing, Prompt Engineering, Software Design, Cryptography, Maintainability, Docker (Software), Containerization, Performance Testing, .NET Framework, Prompt Engineering Tools, ASP.NET, C# (Programming Language), Cloud Platforms, LLM Application, General Data Protection Regulation (GDPR)
Intermediate · Specialization · 3 - 6 Months