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: GitHub, Test Driven Development (TDD), Continuous Integration, ASP.NET, .NET Framework, Git (Version Control System), Development Testing, C# (Programming Language), Integration Testing, Data Access, Data Integrity, Debugging
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: TypeScript, Programming Principles, Web Development Tools, Javascript, Web Language
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Statistics, Regression Analysis, Probability, Statistical Hypothesis Testing, Probability Distribution, Statistical Analysis, Statistical Inference, Sampling (Statistics), Combinatorics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Research, Design Thinking, UI/UX Research, Usability Testing, Wireframing, Mockups, User Experience Design, User Interface (UI) Design, Prototyping, Figma (Design Software), User Flows, Persona Development, Scalability
Advanced · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Technical Drawing, Engineering Drawings, Mechanical Drawings, Computer Aided Three-Dimensional Interactive Application (CATIA), Assembly Drawing, 3D Modeling, Mechanical Design, Drafting and Engineering Design, Computer-Aided Design, Visualization (Computer Graphics), File Management, Engineering Design Process, Interoperability, User Interface (UI)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Immunology, Molecular Biology, Physiology, Cell Biology, Biology, Biochemistry
Intermediate · Course · 1 - 3 Months

Unilever
Skills you'll gain: Web Analytics, Digital Marketing, Google Analytics, Social Media Marketing, Search Engine Marketing, Social Media Strategy, Marketing Strategies, Search Engine Optimization, Keyword Research, Marketing Analytics, A/B Testing, Advertising Campaigns, Smart Goals, Performance Analysis, Key Performance Indicators (KPIs), Value Propositions
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Structures, Generative AI, Test Driven Development (TDD), Integration Testing, Unit Testing, Python Programming, Object Oriented Programming (OOP), Cloud Applications, Serverless Computing, Cloud Computing, Microsoft Azure, Algorithms, Software Documentation, Maintainability, Code Review, Software Development, Software Design, Technical Documentation, Application Deployment
Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Software Design Patterns, Systems Development Life Cycle, Software Architecture, Software Development Life Cycle, Software Quality Assurance, Software Design, Process Driven Development, Software Engineering, Quality Assurance, Systems Analysis, Object Oriented Design, Systems Design, Program Development, Project Management, Project Planning, Unified Modeling Language
Intermediate · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Sampling (Statistics), Statistical Inference, Statistical Methods, Data-Driven Decision-Making, Quantitative Research, Statistical Analysis, Decision Making, Probability Distribution
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Requirements Elicitation, Requirements Analysis, Mockups, Interviewing Skills, Storyboarding, Prototyping, Systems Analysis, User Requirements Documents, User Research, Stakeholder Analysis, Stakeholder Engagement, Scenario Testing, Information Architecture, Business Research
Beginner · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Microsoft Excel, Excel Formulas, Verification And Validation, Financial Modeling, Project Documentation, Business Modeling, Spreadsheet Software, Product Testing, Data Validation, Document Management, Data Integrity, Data Management, Organizational Skills
Intermediate · Course · 1 - 4 Weeks