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 Boulder
Skills you'll gain: Operations Research, Algorithms, Graph Theory, Network Model, Combinatorics, Mathematical Modeling, Theoretical Computer Science, Model Optimization, Python Programming, Network Analysis
★ 4.8 (61) · Advanced · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Game Design, Unity Engine, 3D Assets, Prototyping, Video Game Development, 3D Modeling, Software Design, Computer Graphics, Multimedia, Programming Principles, Development Testing, Storytelling
★ 4.8 (66) · Intermediate · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Six Sigma Methodology, Lean Six Sigma, Statistical Hypothesis Testing, Statistical Analysis, Analysis, Statistical Methods, Root Cause Analysis, Quality Improvement, Statistical Inference, Process Analysis, Correlation Analysis, Probability & Statistics, Risk Analysis, Regression Analysis, Variance Analysis, Sample Size Determination, Sampling (Statistics)
★ 4.4 (53) · Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: User Interface (UI), Prototyping, Usability Testing, User Interface and User Experience (UI/UX) Design, Wireframing, Interactive Design, Interaction Design, User Experience Design, Figma (Design Software), Usability, User Interface (UI) Design, Mockups, Design Thinking, User Research, Design, Style Guides
★ 4.4 (67) · Mixed · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Spring Framework, Spring Boot, Application Development, Redis, Java Programming, Frontend Integration, Object-Relational Mapping, Web Development, Database Development, Integrated Development Environments, Authentications, Application Security, Build Tools, Performance Tuning, Unit Testing, Authorization (Computing), Command-Line Interface, Data Access, Event Monitoring, Software Configuration Management
★ 4.5 (44) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Cyber Security Assessment, Responsible AI, Cybersecurity, AI Integrations, Threat Detection, Incident Response, AI Security, AI literacy, Generative AI, Security Testing, Risking
★ 4.9 (28) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Estimation, Model Evaluation, Simulation and Simulation Software, Simulations, Laboratory Testing, Matlab, Numerical Analysis, Electric Power Systems, Mathematical Modeling, Model Optimization, Statistical Methods, Mathematical Software, Scripting, Scripting Languages, Algorithms
★ 4.7 (158) · Intermediate · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Value-Based Care, Health Informatics, Care Coordination, Analytics, Health Care Administration, Clinical Data Management, Data Analysis, Interoperability, Data Ethics, Health Systems, Health Technology, Patient-centered Care, Predictive Modeling
★ 4.7 (143) · Beginner · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Feature Engineering, Data Wrangling, Exploratory Data Analysis, Matplotlib, Statistical Analysis, Plot (Graphics), Data Preprocessing, Statistical Methods, Seaborn, Data Science, Data Visualization Software, Data Manipulation, Data Processing, Data Cleansing, Data Analysis, Pandas (Python Package), Data Transformation, Descriptive Statistics, Correlation Analysis, Statistical Hypothesis Testing
★ 4.1 (144) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Application Deployment, API Gateway, Cloud-Native Computing, Containerization, Network Troubleshooting, Data Storage, Network Administration, Infrastructure Security, Role-Based Access Control (RBAC), YAML, Security Controls, Linux Administration, Data Storage Technologies, General Networking, Problem Management, Network Security, Data Persistence, Test Tools, Scenario Testing
★ 4.7 (16) · Intermediate · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Integration, Data Validation, Data Quality, Data Cleansing, Data Modeling, Health Informatics, Data Transformation, Health Systems, Data Warehousing, Star Schema, Data Analysis, Analytics, Interoperability, Database Systems, Relational Databases
★ 4.6 (56) · Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Security Testing, Cyber Threat Intelligence, Cyber Risk, AI Integrations, Cyber Attacks, Cyber Security Assessment, Cybersecurity, IT Security Architecture, Security Controls, Threat Modeling, Security Strategy, Data Ethics, Security Engineering, Threat Detection, Data Governance, Data Security, Security Management, Information Privacy, Emerging Technologies
★ 4.6 (25) · Beginner · Course · 1 - 3 Months