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.

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authorization (Computing), Cyber Risk, Authentications, Continuous Monitoring, Threat Management, Security Controls, Application Security, Secure Coding, System Monitoring, Cryptographic Protocols, Cryptography, Event Monitoring, Data Security, Identity and Access Management, Role-Based Access Control (RBAC), Hardening
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google App Engine, Authentications, Application Deployment, Cloud Deployment, Identity and Access Management, Google Cloud Platform, Cloud Applications, Authorization (Computing), User Accounts, Cryptography, Python Programming
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Network Security, Remote Access Systems, Disaster Recovery, OSI Models, General Networking, Network Administration, Network Troubleshooting, Computer Networking, Network Architecture, Network Infrastructure, Networking Hardware, Network Monitoring, TCP/IP, Virtual Private Networks (VPN), Network Protocols, Cybersecurity, Computer Security, Data Centers, Virtualization, Authentications
Intermediate · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Cybersecurity, Cyber Attacks, Network Security, Information Systems Security, Business Continuity Planning, Cryptography, Security Architecture Review, Disaster Recovery, Business Continuity, Cyber Security Policies, Cryptographic Protocols, IT Security Architecture, Telecommunications, Network Administration, Law, Regulation, and Compliance, NIST 800-53, Infrastructure Security, Security Controls, Data Security, Governance Risk Management and Compliance
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Bash (Scripting Language), Unix Shell, Software Installation, Unix Commands, Linux Commands, Linux, File Systems, Mac OS, File Management, Data Storage, Data Integrity, Cryptography
Beginner · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Resource Allocation, Production Planning, Graph Theory, Data-Driven Decision-Making, Production Schedule, Decision Making, Mathematical Modeling, Network Planning And Design, Mathematical Software, Model Optimization, Computational Logic, Algorithms, Cryptography
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: IT Security Architecture, Incident Response, Computer Security Incident Management, Zero Trust Network Access, Cloud Computing Architecture, Cyber Security Strategy, Authentications, Incident Management, Endpoint Detection and Response, Risk Analysis, Network Security, Compliance Training, Risk Mitigation, Risk Management Framework, Cyber Governance, Regulatory Compliance, Cloud Computing, Application Security, Security Awareness, Risk Management
Intermediate · Specialization · 1 - 3 Months

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, FinTech, Payment Systems, Cryptography, Digital Assets, Emerging Technologies, Distributed Computing, Fundraising and Crowdsourcing, Cryptographic Protocols, Transaction Processing, Algorithms, Fundraising
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Exploitation techniques, Scenario Testing, Cybersecurity, Vulnerability Assessments, Linux Servers, Linux, Operating System Administration, Command-Line Interface, Linux Commands, Cryptography, File Management, Microsoft Windows
Intermediate · Course · 1 - 3 Months

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
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Threat Modeling, Application Security, Software Development Life Cycle, DevSecOps, Threat Management, Security Testing, Secure Coding, Cloud Security, Encryption, Vulnerability Scanning, Software Development, Cryptography, CI/CD, Cloud Platforms, DevOps, Vulnerability Assessments, Vulnerability Management, Penetration Testing, Configuration Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Application Security, Network Security, Information Systems Security, Cloud Security, Cybersecurity, System Monitoring, Internet Of Things, Network Monitoring, Cyber Attacks, Mobile Security, Cryptography, Information Privacy, Authorization (Computing), Wireless Networks, Authentications, Data Storage, Patch Management, Operating Systems, Cloud Services, Cloud Platforms
Intermediate · Specialization · 1 - 3 Months