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: Data Warehousing, Data Flow Diagrams (DFDs), Data Modeling, Data Pipelines, Ansible, Cloud Security, Diagram Design, Data Validation, Database Design, Apache Airflow, Star Schema, Snowflake Schema, Interviewing Skills, Apache Spark, PySpark, CI/CD, Docker (Software), SQL, Workflow Management, Git (Version Control System)
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Microsoft Copilot, Power BI, Data Modeling, Data Analysis Expressions (DAX), Data Visualization Software, Interactive Data Visualization, Generative AI, Data Analysis, Data Transformation, Data Maintenance, Data Management, Data Import/Export
★ 4.6 (681) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Google Cloud Platform, Data Modeling, Query Languages, Role-Based Access Control (RBAC), SQL, Data Import/Export, Data Architecture, Data Warehousing, Database Design, Extract, Transform, Load, Big Data, Data Integration, Data Migration, Database Architecture and Administration, Real Time Data
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Client Services, Content Optimization, Content Strategy, Competitive Analysis, Forecasting, Content Performance Analysis, Expectation Management, Content Marketing, Content Creation, Marketing, A/B Testing, Key Performance Indicators (KPIs), Performance Reporting, Internal Auditing
★ 4.7 (1.7K) · Intermediate · Course · 1 - 4 Weeks

Osmosis
Skills you'll gain: Infectious Diseases, Infection Control, Public Health, Public Health and Disease Prevention, Epidemiology, Hand Hygiene, Diagnostic Tests, Healthcare Industry Knowledge, Health Care, Critical Care, Personal protective equipment, Patient Evaluation, Maternal Health, Clinical Practices, Community Health, Mitigation, Child Health, Laboratory Testing
★ 4.8 (7K) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Software Documentation, LLM Application, Collaborative Software, Software Testing, Technical Documentation, Large Language Modeling, AI Integrations, Dependency Analysis, Security Testing, AI literacy, Package and Software Management, Debugging, Software Engineering
★ 4.6 (183) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Claude Code, Prompt Patterns, Prompt Engineering, Anthropic Claude, Token Optimization, Multimodal Prompts, Version Control, AI Workflows, Generative AI Agents, Git (Version Control System), Generative AI, Software Quality Assurance, Software Development, Artificial Intelligence, Software Development Life Cycle, Software Architecture, Automation, Software Testing, Software Design, Software Development Methodologies
★ 4.8 (134) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Identity and Access Management, Cloud Management, Data Infrastructure, Generative AI, Network Planning And Design, Model Training, Network Infrastructure, Cloud Computing, Cloud Deployment, Data Migration, Network Administration, Model Optimization, Network Performance Management, Distributed Computing, General Networking, Network Architecture, Load Balancing, Data Pipelines
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Mobile Development, Mobile Development Tools, iOS Development, Other Mobile Programming Languages, Flutter (Software), Integrated Development Environments, Development Environment, Apple iOS, Android Studio, Computer Programming Tools, Application Development, Swift Programming, Test Tools, React Native, Apple Xcode, Application Frameworks, Web Applications, Cross Platform Development, Software Testing, Cloud Hosting
★ 4.7 (218) · Beginner · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Agile Product Development, Product Improvement, Customer Analysis, Analytics, Analytical Skills, Demand Planning, Usability Testing, Product Management, Customer Insights, AI Product Strategy, A/B Testing, Product Development, Agile Methodology, User Experience, Customer Demand Planning, Advanced Analytics, Data-Driven Decision-Making, Customer experience improvement, Agile Software Development, Software Development
★ 4.7 (507) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Front-End Web Development, Web Development, Javascript, Code Reusability, Hypertext Markup Language (HTML), UI Components
★ 4.8 (1.9K) · Intermediate · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Plan Execution, Strategic Planning, Organizational Strategy, Business Strategy, Data-Driven Decision-Making, Business Planning, Strategic Leadership, Strategic Decision-Making, Strategic Thinking, Governance, Analysis, Corporate Strategy, Enterprise Architecture, Organizational Structure
★ 4.7 (898) · Mixed · Course · 1 - 4 Weeks