Pen testing courses can help you learn vulnerability assessment, network security, and ethical hacking techniques. You can build skills in penetration testing methodologies, risk analysis, and incident response strategies. Many courses introduce tools like Metasploit, Wireshark, and Burp Suite, that support identifying and exploiting security weaknesses in systems and applications. By engaging with these tools, you can practice practical work that enhance your ability to secure networks and protect sensitive data.

Skills you'll gain: Exploratory Data Analysis, Data Presentation, Probability Distribution, Statistical Hypothesis Testing, Data Visualization Software, Dashboard Creation, Dashboard, Data Analysis, Data Science, Probability & Statistics, Statistical Methods, Statistical Analysis, Jupyter, Matplotlib, Data Preprocessing, Pandas (Python Package), Statistical Inference, Statistics, Python Programming, Machine Learning
★ 4.3 (128) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Test Automation, Test Tools, Test Script Development, Unit Testing, Software Testing, Performance Testing, Quality Assurance, Performance Stress Testing, IT Automation, Performance Tuning, Scripting, Debugging, Network Performance Management, Simulations
★ 4.9 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, API Testing, Test Automation, Test Script Development, Prompt Patterns, Test Tools, Claude Code, Software Testing, Test Case, AI Integrations, Functional Testing, Quality Assurance, GitHub Copilot, Application Programming Interface (API), Restful API, Test Data, Automation, AI Security, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Structural Engineering, Construction Inspection, Acceptance Testing, Process Validation, Construction Engineering, Engineering Practices, Construction Estimating, Construction, Civil Engineering, Finite Element Methods, Engineering Analysis, Simulation and Simulation Software, Safety Standards
★ 5 (8) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, API Testing, Software Testing, Test Case, Application Programming Interface (API), Gradle, Build Tools, Software Development Tools, Integration Testing, Application Frameworks, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Testing, JSON, Test Automation, Test Script Development, Application Programming Interface (API), Restful API, Software Testing, Test Tools, Integration Testing, Functional Testing
★ 4.6 (309) · Beginner · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Surveys, UI/UX Research, User Research, Survey Creation, A/B Testing, Web Analytics, User Experience, Qualitative Research, Usability Testing, Research Methodologies, Web Analytics and SEO, Data Collection, Research Design, Sample Size Determination
★ 4.4 (212) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Unit Testing, Angular, Software Testing, Development Testing, Test Case, Frontend Performance, Software Architecture, Software Design, Application Programming Interface (API), Restful API, Frontend Integration, Performance Tuning, Enterprise Architecture, Service Oriented Architecture, Authentications, Authorization (Computing), Scalability, TypeScript, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Continuous Integration, CI/CD, Selenium (Software), Test Script Development, OAuth, Software Testing, Development Environment, Application Programming Interface (API), Test Case, Test Tools, Web Development Tools, Git (Version Control System), Restful API, Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Frontend Integration, API Testing, React.js, Containerization, Cloud Deployment, API Gateway, Software Documentation, Amazon Web Services, Front-End Web Development, Application Programming Interface (API), Software Testing, Middleware, Test Automation, Technical Documentation
Advanced · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Object Oriented Programming (OOP), Eclipse (Software), Java, Java Programming, JUnit, HTML and CSS, Object Oriented Design, Test Automation, Hypertext Markup Language (HTML), Software Testing, Test Script Development, Integrated Development Environments, Web Design and Development, Test Data, Browser Compatibility, Computer Programming, Test Tools, Web Development, Programming Principles
★ 4.5 (29) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), Test Automation, Test Tools, Test Data, Test Case, Test Script Development, Software Testing, Test Execution Engine, Java, Automation, Code Reusability, Extensible Languages and XML
Intermediate · Course · 3 - 6 Months