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.

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

Skills you'll gain: Retrieval-Augmented Generation, Responsible AI, Containerization, AI Orchestration, Scalability, Docker (Software), Agentic Workflows, Application Deployment, AI Workflows, Generative AI Agents, Prompt Patterns, LangChain, Microsoft Azure, Microservices, Artificial Intelligence, Prompt Engineering, Distributed Computing, Serverless Computing, Reinforcement Learning, Natural Language Processing
★ 3.4 (22) · Intermediate · Professional Certificate · 3 - 6 Months

Erasmus University Rotterdam
Skills you'll gain: Microsoft Excel, Excel Formulas, Data Modeling, Verification And Validation, Financial Modeling, Business Modeling, Spreadsheet Software, Technical Documentation, Data Validation, Data Integrity, Data Management, Business Reporting, Data Visualization
★ 4.5 (37) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Laboratory Experience, Laboratory Reports, Embedded Software, Electronic Hardware, Electrical and Computer Engineering, Electronics Engineering, Laboratory Testing, Engineering Documentation, Electronic Systems, Debugging, System Design and Implementation, Program Development, Software Design, Software Development, Functional Design, Simulation and Simulation Software, Development Environment, Eclipse (Software)
★ 4.3 (25) · Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Water Quality, Sanitation, Water Resources, Water Resource Management, Laboratory Testing, Microbiology, Sterilization, Environmental Engineering, Health Policy, Public Health and Disease Prevention, Public Health, Infectious Diseases, Governance, Epidemiology, Economics, Chemistry
★ 4.8 (1.1K) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Visualization, Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), User Centered Design, Data Presentation, Usability, Human Centered Design, Design Research, User Research, Graphic and Visual Design, Usability Testing, Quantitative Research, Design Elements And Principles
★ 4.7 (43) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Process Controls, Statistical Hypothesis Testing, Lean Methodologies, Process Improvement, Six Sigma Methodology, Kaizen Methodology, Lean Six Sigma, Benchmarking, Process Capability, Risk Analysis, Quality Improvement, Process Improvement and Optimization, Process Analysis, Team Performance Management, Statistical Analysis, Continuous Improvement Process, Team Leadership, Team Management, Root Cause Analysis, Regression Analysis
★ 4.8 (58) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: User Story, User Interface (UI), User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Usability, Design Thinking, User Experience Design, Mockups, Usability Testing, Wireframing, User Experience, UI/UX Research, User Centered Design, User Feedback, Design, Human Centered Design, Prototyping, Figma (Design Software)
★ 4.7 (11) · Beginner · Course · 1 - 4 Weeks

Università Bocconi
Skills you'll gain: Data Analysis, Innovation, Strategic Decision-Making, Analysis, Statistical Analysis, General Science and Research, Data-Driven Decision-Making, Complex Problem Solving, Regression Analysis, Correlation Analysis, Decision Making, Big Data, Strategic Thinking, Statistical Hypothesis Testing, Performance Metric, Entrepreneurship, Case Studies, Machine Learning
★ 4.7 (103) · Mixed · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Usability, Usability Testing, Problem Solving, Human Factors, Human Computer Interaction, Human Centered Design, Critical Thinking and Problem Solving, Creativity, User Centered Design, Creative Problem-Solving, Kinesiology, Sensory Systems Analysis, UI/UX Research, User Research, Creative Thinking, Decision Making, Display Devices, Exercise Science, Accident Prevention, Mitigation
★ 4.8 (55) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Service Level, Databases, Database Development, Database Management, Acceptance Testing, Data Architecture, Software Engineering, Web Applications, Performance Testing, Scalability, Software Systems, Microservices, Software Architecture, System Testing, Distributed Computing, Data Infrastructure, System Monitoring, Functional Requirement, Application Deployment, Big Data
★ 3.5 (107) · Advanced · Specialization · 1 - 3 Months

Arizona State University
Skills you'll gain: Statistical Process Controls, Process Control, Quality Assurance, Semiconductors, Process Validation, Production Process, Verification And Validation, Manufacturing Operations, Manufacturing Processes, Manufacturing and Production, Manufacturing Standards, Process Improvement, Process Analysis, Product Testing, Process Flow Diagrams, Electronics Engineering, Electronics, Reliability, Performance Testing
★ 4.7 (70) · Beginner · Course · 1 - 3 Months