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 Pennsylvania
Skills you'll gain: Intellectual Property, Healthcare Industry Knowledge, Pharmaceuticals, Health Care Procedure and Regulation, Regulation and Legal Compliance, Health Care, Legal Strategy, Health Policy, Medical Science and Research, Economics, Policy, and Social Studies, Research, Case Studies, Economics, Market Dynamics
★ 4.8 (148) · Beginner · Course · 1 - 4 Weeks

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

Vanderbilt University
Skills you'll gain: Spring Boot, API Testing, Spring Framework, Restful API, Application Programming Interface (API), API Design, Data Persistence, Web Applications, Application Frameworks, Development Testing, Software Testing, Web Services, Object-Relational Mapping, Application Security, Authentications, Authorization (Computing), Network Protocols
★ 4.2 (29) · Beginner · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Proposal Development, Market Research, Data Collection, Research Design, Proposal Writing, Research Reports, Research Methodologies, Business Research, Marketing Management, Marketing, Surveys, Report Writing, Research, Qualitative Research, Data Analysis, Focus Group, Business Ethics
★ 4.5 (80) · Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Power BI, Data Visualization, Data Analysis Expressions (DAX), Matplotlib, Plotly, Data Analysis, Exploratory Data Analysis, Seaborn, SQL, Pandas (Python Package), Probability & Statistics, Regression Analysis, Machine Learning, Statistical Hypothesis Testing, Python Programming, Data Transformation, Feature Engineering, Data Integration, NumPy, Web Scraping
★ 4.6 (54) · Intermediate · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Electrical Systems, Electrical Power, Electric Power Systems, Electrical Equipment, Electrical Safety, High Voltage, Basic Electrical Systems, Energy and Utilities, Electrical Engineering, Engineering, Scientific, and Technical Instruments, Equipment Design, Laboratory Testing, Coordination
★ 4.5 (82) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Databricks, Model Deployment, Responsible AI, Model Training, Microsoft Azure, Data Science, Applied Machine Learning, Data Integration, MLOps (Machine Learning Operations), Predictive Modeling, Model Evaluation, Machine Learning Methods, Machine Learning, Data Preprocessing
★ 4.4 (80) · Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Structures, Python Programming, Programming Principles, Computer Programming, Computational Logic, Software Engineering, Performance Tuning, Web Development, Performance Testing, Web Development Tools, Debugging, Software Development
★ 4.6 (67) · Beginner · Specialization · 1 - 4 Weeks

Peking University
Skills you'll gain: Statistical Hypothesis Testing, SPSS (Software), SPSS, Descriptive Statistics, Statistical Software, Statistical Analysis, Statistical Methods, Data Analysis Software, Correlation Analysis, Data Literacy, Regression Analysis, Statistical Inference, Probability & Statistics, Statistics, Descriptive Analytics, Quantitative Research, Sampling (Statistics), Biostatistics, Medical Science and Research, Analysis
★ 4.6 (159) · Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Continuous Delivery, Test Driven Development (TDD), Unit Testing, Continuous Deployment, Continuous Integration, Test Script Development, Application Deployment, Program Development, CI/CD, Agile Methodology, Test Automation, Maintainability, Software Development, Mockups, Test Case, Development Testing, Agile Software Development, Software Testing, Debugging, Python Programming
★ 4 (83) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Process Capability, Sampling (Statistics), R (Software), Correlation Analysis, Statistical Inference, Probability Distribution, Statistical Visualization, R Programming, Statistical Process Controls, Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Data Science, Statistics, Data Analysis, Statistical Analysis, Statistical Software, Descriptive Statistics, Quality Improvement, Process Engineering
★ 4.4 (53) · Intermediate · Specialization · 3 - 6 Months

Universidade de São Paulo
Skills you'll gain: Econometrics, Statistical Inference, Regression Analysis, Statistical Hypothesis Testing, Statistical Methods, Statistical Modeling, Sampling (Statistics), Economics, Quantitative Research, Statistical Analysis, Correlation Analysis, Probability & Statistics, Mathematical Modeling, Time Series Analysis and Forecasting, Model Evaluation
★ 4.5 (173) · Intermediate · Course · 1 - 3 Months