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.

Johns Hopkins University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Analysis, Statistical Methods, Probability & Statistics, Statistical Inference, Biostatistics, Sampling (Statistics), Statistics, Data Analysis, Analysis, Sample Size Determination, Risk Analysis, Probability Distribution
★ 4.3 (138) · Mixed · Course · 1 - 4 Weeks

Technion - Israel Institute of Technology
Skills you'll gain: Business Planning, Value Propositions, Entrepreneurship, Ideation, Business Strategy, New Product Development, Commercialization, Risk Management, Product Development, Innovation, Communication, Persuasive Communication, Sales Presentations, Feasibility Studies, Verification And Validation, Decision Making, Interviewing Skills
★ 4.8 (780) · Mixed · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Health Informatics, Health Technology, Telehealth, Interoperability, Clinical Informatics, Informatics, Electronic Medical Record, Health Information Management, Community Health, Healthcare Ethics, Data Sharing, Dental Informatics, Public Health, Data Ethics, Data Visualization, Medical Terminology, Graph Theory
★ 4.4 (314) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Spring Boot, Application Development, API Testing, Java Programming, Web Development, Program Development, Application Frameworks, Software Testing, Test Case, Secure Coding, Development Environment, Model View Controller, Software Development Tools, UI Components, Data Access, Authentications, SQL, Object Oriented Programming (OOP), Data Persistence, User Interface (UI)
★ 4.7 (18) · Intermediate · Specialization · 1 - 3 Months

Amazon
Skills you'll gain: Git (Version Control System), Software Development Methodologies, Requirements Analysis, Version Control, Systems Development Life Cycle, Application Development, Software Development Life Cycle, Software Development, Agile Software Development, Unified Modeling Language, Software Testing, JUnit, Agile Methodology, Programming Principles, Java Programming, Spring Framework, Maintainability, Debugging, Java, Software Design Patterns
★ 4.8 (42) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Ethics, Generative AI Agents, Generative AI, Software Design Documents, Software Design, AI Integrations, Software Architecture, Agentic Workflows, Continuous Integration, Software Development, Prompt Patterns, LLM Application, Application Security, Software Engineering, Code Review, Debugging, DevSecOps
★ 4.5 (249) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Bayesian Statistics, Statistical Hypothesis Testing, Statistical Modeling, Statistical Methods, Statistical Inference, Statistical Programming, Statistical Analysis, Probability & Statistics, Regression Analysis, Data Analysis, R Programming, Statistical Software, Probability, Data-Driven Decision-Making, Predictive Modeling, Model Evaluation, Probability Distribution
★ 3.8 (798) · Intermediate · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Computational Thinking, Video Game Development, Game Design, Software Quality (SQA/SQC), Problem Solving, Programming Principles, Computer Programming, Program Development, Algorithms, Python Programming, Computer Science, Debugging, Test Planning, Functional Testing, Other Programming Languages
★ 4.3 (236) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Bash (Scripting Language), Network Monitoring, Cyber Security Assessment, System Configuration, Digital Forensics
★ 4.8 (58) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Process Validation, Verification And Validation, Laboratory Testing, Environmental Science, Research, Hazard Analysis, Safety Assurance, Scientific Methods, Biostatistics, Bioinformatics, Research Methodologies, Environmental Regulations, Research Design, Epidemiology, Risk Analysis, Data Synthesis
★ 4.7 (122) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: User Experience, User Experience Design, Wireframing, User Research, Persona (User Experience), Responsible AI, User Interface and User Experience (UI/UX) Design, Usability, Adobe XD, Usability Testing, Generative AI, Figma (Design Software), AI literacy, Prototyping, User Interface (UI) Design, Persona Development
★ 4.2 (118) · Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Game Design, Prototyping, Software Design Documents, Video Game Development, Ideation, Conceptual Design, Software Visualization, Usability Testing, Graphic and Visual Design, Peer Review
★ 4.7 (295) · Intermediate · Course · 1 - 3 Months