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.

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, User Experience Design, Vulnerability Assessments, Database Theory, Unified Modeling Language, Unit Testing, Usability, UI/UX Research, Threat Modeling, Usability Testing, User Interface and User Experience (UI/UX) Design, Vulnerability Management, Data Flow Diagrams (DFDs), Relational Databases, Software Visualization, Security Software, Systems Development Life Cycle, Software Development Life Cycle
★ 4.6 (438) · Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Threat Detection, Cybersecurity, Network Security, Cyber Security Strategy, System Monitoring, Cyber Operations, Threat Management, Continuous Monitoring, Exploitation techniques, Penetration Testing, Cyber Attacks, Data Persistence, Scripting, IT Automation, Network Monitoring, Persistence, Python Programming, Data Access, Computer Programming
★ 4.5 (557) · Intermediate · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Analytical Chemistry, Analytical Testing, Chemistry, Vibrations, Engineering, Scientific, and Technical Instruments, Laboratory Testing, Data Analysis, Structural Analysis, Data Flow Diagrams (DFDs), Verification And Validation, Physics, Problem Solving, Pivot Tables And Charts, Data Collection, Quality Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Recruitment, Talent Recruitment, Recruitment Strategies, Full Cycle Recruitment, Human Resources Management and Planning, Human Resource Management, Talent Acquisition, Human Resources, Talent Pipelining, Interviewing Skills, Talent Sourcing, Human Resources Information System (HRIS), Ethical Standards And Conduct, Business Requirements, Supply And Demand
Mixed · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Selenium (Software), Test Tools, Debugging, Software Testing, Unit Testing, Test Automation, Browser Compatibility, Web Applications, Test Script Development, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Test Case, Web Development Tools, Development Environment, Software Architecture, Python Programming, Software Installation, Package and Software Management
★ 3.3 (42) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Application Frameworks, Spring Boot, Software Architecture, API Gateway, Web Services, Cloud-Native Computing, Object-Relational Mapping, Transaction Processing, Data Persistence, Frontend Integration, Service Oriented Architecture, JSON, Database Management, Unit Testing, Java Programming
★ 3.9 (704) · Beginner · Specialization · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Building Information Modeling, Internet Of Things, Data Infrastructure, Infrastructure Architecture, Sustainable Technologies, Energy and Utilities, Network Infrastructure, Water Sustainability, AI Security, Facility Management, Water Resource Management, Security Controls, Real Time Data, Wireless Networks, Interoperability, Sustainable Architecture, Decision Intelligence, AI Enablement, Dashboard, Traffic Flow Optimization
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Usability Testing, User Experience Design, User Experience, UI/UX Research, User Research, Design Research, Usability, Human Computer Interaction, Test Planning, Technical Communication, Interviewing Skills
★ 4.8 (303) · Beginner · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: Packaging and Labeling, Materials science, Materials Management, Sustainable Business, Logistics, Sustainable Design, Industrial Design, Sustainable Engineering, Regulatory Compliance, Supply Chain, Sustainable Technologies, Sustainable Systems, Regulatory Requirements, Environment and Resource Management, Sustainability Standards, Manufacturing Processes, Design, Performance Testing, Food Safety and Sanitation, Innovation
Beginner · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Regression Analysis, Statistical Inference, Statistics, Correlation Analysis, Statistical Programming, Statistical Modeling, Logistic Regression
★ 4.4 (610) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Risk Analysis, Risk Mitigation, Decision Intelligence, Generative AI, Risk Management, Data-Driven Decision-Making, AI literacy, Strategic Decision-Making, Scenario Testing, Root Cause Analysis, Data Analysis, Business Analysis, Prompt Engineering, Predictive Analytics, Business Intelligence, Problem Solving, Data Visualization, Machine Learning, Process Improvement
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Seaborn, Data Storytelling, Data Visualization, Data Presentation, Data Integration, A/B Testing, Data Import/Export, Statistical Hypothesis Testing, Text Mining, Data-Driven Decision-Making, Git (Version Control System), Matplotlib, Pandas (Python Package), Version Control, GitHub, Social Media Analytics, Statistical Analysis, Exploratory Data Analysis, Jupyter, NumPy
★ 4.3 (90) · Beginner · Specialization · 1 - 3 Months