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.

JetBrains
Skills you'll gain: Generative AI Agents, Large Language Modeling, Software Development Tools, AI Workflows, IntelliJ IDEA, AI Enablement, Artificial Intelligence, Applied Machine Learning, Agentic systems, Artificial Intelligence and Machine Learning (AI/ML), Software Development, Integrated Development Environments, Generative AI, Software Development Life Cycle
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: .NET Framework, Testability, Maintainability, Unit Testing, Test Case, Integration Testing, Test Tools, Software Testing, Microsoft Visual Studio
Intermediate · Course · 1 - 4 Weeks

HubSpot Academy
Skills you'll gain: Data Visualization, HubSpot CRM, Dashboard, Business Reporting, Customer Relationship Management (CRM) Software, Performance Reporting, Forecasting, Sales Pipelines, Business Metrics, Sales Enablement, Performance Metric, Sales, Data-Driven Decision-Making, Customer Service, Key Performance Indicators (KPIs), Customer Data Management, Customer Success Management, Goal Setting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, IT Security Architecture, Secure Coding, Application Security, Security Testing, Security Strategy, Security Requirements Analysis, Software Development Methodologies, Software Development Life Cycle, Systems Architecture, DevSecOps, Cyber Security Strategy, Penetration Testing, Business Risk Management, Compliance Management
Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Statistical Hypothesis Testing, Quantitative Research, Statistical Software, Statistical Analysis, Data Analysis, Probability & Statistics, Analysis, Statistical Methods, Statistical Inference, Analytical Skills, Statistics, Psychology, Regression Analysis, Research
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React.js, UI Components, Jest (JavaScript Testing Framework), Web Development Tools, Front-End Web Development, Javascript
Intermediate · Course · 1 - 4 Weeks

Alibaba Cloud Academy
Skills you'll gain: Docker (Software), Containerization, Kubernetes, Terraform, Prometheus (Software), Application Deployment, DevOps, Performance Tuning, Performance Testing, Application Performance Management, Infrastructure as Code (IaC), Cloud Deployment, Cloud Services, System Monitoring, Event Monitoring
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Respiration, Respiratory Care, Pulmonology, Pulmonary Function Testing, Physiology, Anatomy, Immunology, Diagnostic Tests, Patient Treatment, Medical Terminology, Radiography
Beginner · Course · 1 - 3 Months

Skills you'll gain: Minitab, Data Analysis, Statistical Hypothesis Testing, Regression Analysis, Descriptive Statistics, Statistical Analysis, Predictive Modeling, Statistical Modeling, Data-Driven Decision-Making, Exploratory Data Analysis, Statistical Methods, Statistical Inference
Mixed · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Web Content Accessibility Guidelines, Education Software and Technology, Peer Review, Design Reviews, Interactive Design, User Interface (UI), Interaction Design, Usability, Software Design Patterns, Technical Design, Experience Design, Usability Testing, Technical Documentation, Design Strategies, Technical Writing, Simulations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Design, User Interface (UI) Design, Graphical Tools, Python Programming, Computer Graphics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: IntelliJ IDEA, Object Oriented Design, Debugging, Software Design, User Interface (UI), Apache Maven, Design Thinking, Object Oriented Programming (OOP), Program Development, Build Tools, Integrated Development Environments, Software Development Tools, Eclipse (Software), Data Validation, Version Control, JUnit, Software Development, Git (Version Control System), Data Import/Export, Java
Intermediate · Specialization · 1 - 3 Months