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: Responsive Web Design, User Interface (UI), UI Components, Figma (Design Software), UI/UX Strategy, User Interface and User Experience (UI/UX) Design, Prototyping, Usability, Usability Testing, Web Design, Interactive Design, User Experience Design, Mobile Development, Style Guides, Web Development, Animations
★ 5 (30) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Information Architecture, UI/UX Research, Persona (User Experience), Design Research, User Centered Design, User Interface and User Experience (UI/UX) Design, Surveys, Usability, Usability Testing, Persona Development, Prioritization, Tree Maps
★ 4.9 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Security Assessment, Cybersecurity, Scenario Testing, Simulations, Infrastructure Security, Computer Security Incident Management, Incident Response, Security Controls, Network Security, Role-Based Access Control (RBAC), Risk Management Framework, Disaster Recovery, Encryption
★ 4.6 (47) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Test Driven Development (TDD), Test Case, Program Development, Test Script Development, Development Testing, Software Testing, Java Programming, Java, Software Engineering
★ 4.1 (18) · Beginner · Guided Project · Less Than 2 Hours

Unilever
Skills you'll gain: Web Analytics, Social Media Campaigns, Campaign Management, Web Analytics and SEO, Digital Marketing, Google Analytics, Social Media Marketing, Search Engine Marketing, Social Media Strategy, Marketing Strategies, Search Engine Optimization, Keyword Research, Marketing Analytics, A/B Testing, Social Media, Campaign Planning, Smart Goals, Performance Analysis, Key Performance Indicators (KPIs), Value Propositions
★ 4.8 (64) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Script Development, Test Automation, Test Case, Development Testing, Software Testing, User Story, Mockups, Python Programming, Requirements Analysis
★ 3.8 (30) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: File I/O, Memory Management, Debugging, C++ (Programming Language), C and C++, Software Documentation, Development Testing, Code Reusability, Vibe coding, Programming Principles, API Design, Program Development, Pseudocode, Software Architecture, Software Design, Functional Design, Performance Tuning, Application Design, Technical Documentation, Generative AI
★ 4.5 (30) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Operating System Administration, Network Infrastructure, Data Storage, Command-Line Interface, Peripheral Devices, Software Installation, Security Controls, Active Directory, Technical Support and Services, System Configuration
★ 4.7 (65) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, SQL, Data Visualization Software, Database Design, AWS SageMaker, Unsupervised Learning, Data Visualization, Interactive Data Visualization, Dashboard, Feature Engineering, Database Management, Exploratory Data Analysis, A/B Testing, Tableau Software, Pandas (Python Package), Matplotlib, Python Programming, Data Analysis, Machine Learning
★ 3.8 (27) · Beginner · Professional Certificate · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Database Design, Software Design Documents, Data Migration, Generative AI, Database Development, Dashboard Creation, Software Documentation, AI Workflows, Database Management, ChatGPT, Database Architecture and Administration, Relational Databases, Prompt Engineering, Query Languages, SQL, Business Reporting, Prototyping, Test Data, Performance Tuning, Performance Testing
★ 4.8 (53) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Debugging, Version Control, C# (Programming Language), Microsoft Copilot, Event-Driven Programming, Git (Version Control System), Object Oriented Programming (OOP), .NET Framework, Software Design Patterns, Program Development, Software Architecture, Application Deployment, Development Testing, Object Oriented Design, Microsoft Visual Studio, Software Testing, ASP.NET, Software Development Tools, Security Testing, File Systems
Beginner · Professional Certificate · 3 - 6 Months
Skills you'll gain: Django (Web Framework), Frontend Integration, React.js, API Testing, Authentications, Secure Coding, Performance Tuning, Scalability, JavaScript Frameworks, Test Tools, Unit Testing, Development Testing, Software Testing, Restful API, Javascript, Python Programming
★ 4.9 (29) · Advanced · Course · 1 - 4 Weeks