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.

Skills you'll gain: Email Marketing, Content Strategy, Content Marketing, Content Performance Analysis, HubSpot CRM, Marketing Strategies, Web Content, Social Media Content, Paid media, Marketing, Digital Content, Content Creation, Target Audience, Marketing Analytics, Lead Generation, Newsletters, Digital Marketing, Customer Relationship Management, UI/UX Strategy, Marketing Automation
Beginner · Specialization · 1 - 3 Months

28DIGITAL
Skills you'll gain: Closing (Sales), Cold Calling, Customer Analysis, Sales Process, Target Market, Market Analysis, Marketing, Marketing Strategies, Competitive Analysis, Marketing Planning, Business Marketing, Sales, Growth Strategies, Market Research, Sales Prospecting, Business Development, New Business Development, A/B Testing, Entrepreneurship, Digital Marketing
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Containerization, CI/CD, Docker (Software), DevOps, Jenkins, Application Deployment, Rust (Programming Language), Prometheus (Software), System Monitoring, JSON, Scripting, Command-Line Interface, Continuous Monitoring, Automation, System Programming, Software Testing, GitHub
Intermediate · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Containerization, File I/O, Package and Software Management, Unified Modeling Language, Matplotlib, Software Testing, Docker (Software), Development Environment, Unit Testing, Test Automation, Continuous Integration, Data Manipulation, Pandas (Python Package), Scripting, Data Modeling, DevOps, Programming Principles, Python Programming, Data Structures, Computer Programming
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Electric Power Systems, Materials science, Chemistry, Electrical Safety, Energy and Utilities, Performance Testing, Sustainable Technologies, Electronics, Manufacturing Processes
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unified Modeling Language, JUnit, Software Testing, Software Engineering, Java, Java Programming, Computer Programming, Unit Testing, Program Development, Software Design, Test Driven Development (TDD), Conceptual Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, React.js, Front-End Web Development, Mockups, Web Design and Development, Web Development, Web Components, Figma (Design Software), Code Review, Application Deployment, Web Analytics and SEO, Database Development, Software Development, GitHub, Development Testing
Advanced · Course · 1 - 3 Months

Skills you'll gain: Software Development Life Cycle, z/OS, COBOL (Programming Language), Unit Testing, Systems Analysis, Systems Development, Pseudocode, Agile Methodology, Software Development, Software Design, Systems Architecture, Mainframe Computing, Programming Principles, Scrum (Software Development), Software Testing
Beginner · Course · 1 - 3 Months

Queen Mary University of London
Skills you'll gain: Research Reports, Statistical Hypothesis Testing, Survey Creation, Research Design, Statistical Analysis, Data Collection, Quantitative Research, Research Methodologies, Data Preprocessing, Probability & Statistics, Descriptive Statistics, Data Literacy
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: User Research, User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, Usability, Verification And Validation, Human Computer Interaction, Usability Testing, Design Research, Embedded Systems, Wireframing, Prototyping, Unified Modeling Language, Persona Development
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Keyword Research, Digital Publishing, Intellectual Property, Layout Design, Account Management, Tax Laws
Beginner · Guided Project · Less Than 2 Hours

Michigan State University
Skills you'll gain: Value Propositions, Business Planning, Business Modeling, Entrepreneurship, Verification And Validation, Business Development, Business Strategy, Product Development, Financial Forecasting, New Business Development, Financial Analysis, Customer Analysis, Innovation
Mixed · Course · 1 - 3 Months