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: Secure Coding, Penetration Testing, Security Testing, Application Security, Cyber Security Assessment, Payment Systems, Blockchain, Incident Response, Vulnerability Scanning, Code Review, Data Security, Development Testing, Authorization (Computing), Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bayesian Statistics, Databricks, Sampling (Statistics), Statistical Modeling, Probability, Classification And Regression Tree (CART), Jupyter, Regression Analysis, Statistical Programming, Predictive Modeling, Statistical Analysis, Probability Distribution, Data Science, Markov Model, Statistics, Simulations, Python Programming, Statistical Visualization, Mathematical Software, Statistical Inference
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Restful API, API Design, Spring Boot, Authentications, Test Automation, JSON, Application Deployment, Spring Framework, Application Programming Interface (API), Object-Relational Mapping, JUnit, Test Case, Software Quality Assurance, Software Testing, Business Logic, Back-End Web Development, Data Modeling, Software Architecture, Java Programming, Java
Beginner · Specialization · 1 - 3 Months

Pearson
Skills you'll gain: Java, Transaction Processing, Java Programming, Data Access, Object Oriented Design, Dataflow, Database Management, Stored Procedure, SQL, Integration Testing, Application Development, Information Management, Object-Relational Mapping, Command-Line Interface, Application Deployment, Data Integrity, OS Process Management, Functional Design, Application Programming Interface (API), Mitigation
Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: TypeScript, Debugging, Javascript, Unit Testing, Maintainability, Software Design Patterns, Programming Principles, Data Structures, Data Validation, Web Development, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Product Roadmaps, Product Management, Customer Retention, Financial Analysis, Product Development, Product Lifecycle Management, Product Strategy, Innovation, Revenue Management, Financial Statements, Agile Methodology, Customer experience strategy (CX), Key Performance Indicators (KPIs), Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Network Security, Incident Response, Computer Security Incident Management, Cryptography, Penetration Testing, Vulnerability Management, Cybersecurity, Threat Detection, Application Security, Cyber Security Policies, Security Information and Event Management (SIEM), Network Monitoring, Vulnerability Assessments, Cloud Security, Malware Protection, Mobile Security, Identity and Access Management, Risk Analysis, Internet Of Things, Web Applications
Beginner · Professional Certificate · 3 - 6 Months

École Polytechnique
Skills you'll gain: Vibrations, Structural Engineering, Structural Analysis, Engineering Analysis, Civil Engineering, Engineering, Engineering Calculations, Hazard Analysis, Mechanics, Physical Science, Simulation and Simulation Software, Mathematical Modeling, Experimentation, Laboratory Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Cloud Services, Cloud Solutions, Cloud Platforms, Cloud Computing, Public Cloud, Cloud Security, Network Security, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Development Testing, Web Development Tools, Application Development, Computer Programming Tools, Cryptographic Protocols, Javascript
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Generative AI Agents, LangChain, LLM Application, Agentic systems, Development Environment, Generative AI, OpenAI, Artificial Intelligence, Scalability, Virtual Environment, Performance Testing, Programming Principles, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Value Propositions, Business Planning, Business Modeling, Entrepreneurship, Verification And Validation, Business Strategy, Product Development, Financial Forecasting, New Business Development, Financial Analysis, Customer Analysis, Innovation
Mixed · Course · 1 - 3 Months