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.

Universitat de Barcelona
Skills you'll gain: Sustainable Development, Sustainable Technologies, Materials science, Education Software and Technology, Analytical Testing, Robotics, Chemistry, Engineering Design Process, Environmental Issue, Molecular Biology, Solution Design, Biomedical Engineering, Emerging Technologies, Innovation, Electronics, Safety Standards, Experimentation, Ethical Standards And Conduct, Health Technology, Physics
★ 4.8 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, ChatGPT, Financial Trading, Performance Measurement, Technical Analysis, Decision Intelligence, Performance Analysis, Securities Trading, Financial Market, Performance Metric, AI literacy, Correlation Analysis, Benchmarking, Market Data, Model Optimization, Return On Investment, Statistical Hypothesis Testing, Verification And Validation, Development Testing, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Test Tools, Scenario Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hypertext Markup Language (HTML), Web Servers, Software Testing, Code Reusability, Web Design and Development, Web Development Tools, File Management, Full-Stack Web Development, Program Development, Frontend Integration, Cascading Style Sheets (CSS), Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Knitr, Surveys, Survey Creation, Data Quality, Sample Size Determination, Statistical Hypothesis Testing, Data Governance, Market Research, Regression Analysis, Predictive Modeling, Quantitative Research, Data Analysis, Statistical Analysis, Key Performance Indicators (KPIs), R Programming, Excel Formulas, Business Intelligence, Data Visualization, Performance Metric
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Performance Tuning, Database Management, Database Administration, Data Maintenance, Database Architecture and Administration, Data Migration, Database Management Systems, Patch Management, Relational Databases, Database Design, Database Software, Data Integrity, Data Import/Export, SQL, Data Storage, Data Management, User Accounts, Data Storage Technologies
★ 5 (15) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: GitHub, Test Driven Development (TDD), Continuous Integration, ASP.NET, .NET Framework, Git (Version Control System), Integration Testing, Data Access, Data Integrity
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Kubernetes, Load Balancing, Cloud-Native Computing, Application Deployment, Google Cloud Platform, Containerization, Performance Stress Testing, DevOps, Performance Testing, Routing Protocols, Cloud Infrastructure
Intermediate · Project · Less Than 2 Hours

Coursera
Skills you'll gain: User Feedback, Usability, Functional Testing, Root Cause Analysis, Product Improvement, Journey Mapping, UI/UX Research, Experience Design, User Experience, Conversion Funnel Analysis, User Interface (UI) Design, Integration Testing, Product Quality (QA/QC), Application Design, Prioritization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Jest (JavaScript Testing Framework), Application Deployment, Frontend Integration, Web Development Tools, Cloud Deployment, Unit Testing, Data Structures, Server Side, Back-End Web Development, Restful API, Frontend Performance, Application Programming Interface (API), Development Environment, Javascript, Build Tools, Middleware, Front-End Web Development
Beginner · Course · 1 - 3 Months

Codio
Skills you'll gain: Model View Controller, Test Driven Development (TDD), Restful API, Vue.JS, Full-Stack Web Development, Frontend Integration, Web Applications, Application Programming Interface (API), Unit Testing, Server Side, Software Design Patterns, Back-End Web Development, Javascript, HTML and CSS, Event-Driven Programming, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Frontend Performance, Usability, Web Design and Development, Test Tools, Hypertext Markup Language (HTML), Animations
Beginner · Course · 1 - 4 Weeks