Data security courses can help you learn encryption techniques, risk assessment strategies, incident response planning, and compliance regulations. You can build skills in vulnerability management, threat detection, and secure coding practices. Many courses introduce tools like firewalls, intrusion detection systems, and data loss prevention software, demonstrating how these skills are applied to protect sensitive information and maintain system integrity.

Peking University
Skills you'll gain: Object Oriented Design, Software Development Methodologies, Unified Modeling Language, Systems Analysis, Program Development, Object Oriented Programming (OOP), Software Design, Software Design Patterns, C and C++, Requirements Analysis, Software Engineering, Java, Systems Design, C++ (Programming Language), Java Programming, C# (Programming Language), Human Computer Interaction
Beginner · Course · 3 - 6 Months

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Planning, Debugging, Browser Compatibility, Performance Testing, Security Testing, Software Testing, System Testing, Test Script Development, Behavior-Driven Development, API Testing, Code Coverage, Integration Testing, Test Case, Test Automation, Test Tools, Development Environment, Code Review, Continuous Delivery
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Incident Response, Computer Security Incident Management, Intrusion Detection and Prevention, Cyber Threat Hunting, Cybersecurity, Anomaly Detection, Cyber Security Strategy, Threat Detection, Cyber Security Policies, Security Management, Network Analysis, AI Security, Network Security, Network Monitoring, NIST 800-53, Network Protocols, Cloud Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Eclipse (Software), Data Structures, Video Game Development, Java Programming, Java, Game Design, User Interface (UI), Development Environment, Program Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Web Services, Restful API, Apache Maven, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Java Platform Enterprise Edition (J2EE), Java, API Design, Application Frameworks, Secure Coding, Object-Relational Mapping, Data Persistence, JSON, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Application Deployment, Cloud Development, Infrastructure As A Service (IaaS), Kubernetes, Cloud Applications, API Design, Cloud Computing Architecture, Microservices, Load Balancing, Cloud Services, Terraform, Data Storage Technologies, Restful API, Cloud Computing, Virtual Networking, CI/CD, Cloud Solutions
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Test Script Development, Web Development, Software Quality Assurance, Continuous Integration, Java, Test Execution Engine, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

Alberta Machine Intelligence Institute
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Generative Model Architectures, Large Language Modeling, ChatGPT, OpenAI API, Open Source Technology, Responsible AI, Embeddings, Artificial Intelligence, Data Ethics, Natural Language Processing, Information Privacy
Mixed · Course · 1 - 4 Weeks

EDUCBA
Mixed · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Technical Support and Services, Network Planning And Design, Configuration Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: ChatGPT, User Interface (UI), Web Design, No-Code Development, AI Workflows, User Interface and User Experience (UI/UX) Design, Self Service Technologies, LLM Application, Generative AI, Artificial Intelligence, Quality Assurance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mac OS, Application Lifecycle Management, Endpoint Security, Cloud Deployment, iOS Development, Web Servers, Mobile Development Tools, Single Sign-On (SSO), Test Planning
Intermediate · Specialization · 3 - 6 Months