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.

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Test Driven Development (TDD), Unit Testing, JUnit, Program Development, Test Case, Test Automation, Software Testing, Testability, Maintainability, Software Design, Software Development, Object Oriented Design, Application Design, Programming Principles
★ 4.7 (419) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Validation, Extensible Languages and XML, Extensible Markup Language (XML), ISO/IEC 27001, Payment Systems, Verification And Validation, Payment Processing, Data Migration, Business Analysis, Business Workflow Analysis, Data Mapping, Process Analysis, Regulatory Compliance, Payment Processing and Collection, Process Mapping, Compliance Management, Workflow Management, Regulatory Requirements, Gap Analysis, Cross-Functional Collaboration
Intermediate · Course · 1 - 4 Weeks

Indian Institute of Technology Guwahati
Skills you'll gain: User Research, Product Design, Product Development, Design Research, Industrial Design, Design Thinking, Design, Human Centered Design, Conceptual Design, Brainstorming, User Centered Design, Ideation, Persona (User Experience), Innovation, Prototyping, Creative Thinking, Creative Problem-Solving, Creativity, Aesthetics, Persona Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Vibe coding, Data Migration, AI Product Strategy, Database Management, Database Design, Technical Writing, Generative AI, Technical Communication, AI literacy, AI Enablement, AI Integrations, Data Validation, Prompt Engineering, Software Documentation, Technical Documentation, Email Automation, AI Workflows, Code Review, Prioritization, Automated External Defibrillator
Intermediate · Course · 3 - 6 Months

Skills you'll gain: MLOps (Machine Learning Operations), Generative AI, Model Deployment, Generative Model Architectures, Generative AI Agents, Prompt Engineering, CrewAI, OpenAI, Responsible AI, LangGraph, Enterprise Architecture, Agentic Workflows, AI Security, Model Training, Feature Engineering, Model Evaluation, Agentic systems, Containerization
Intermediate · Course · 1 - 3 Months

University of Florida
Skills you'll gain: Water Sustainability, Water Resources, Land Management, Water Quality, Water Resource Management, Hydrology, Environment and Resource Management, Environmental Regulations, Natural Resource Management, Sustainable Development, Environmental Issue, Sustainable Systems, Environmental Science, Laboratory Testing, Analytical Testing
★ 4.8 (671) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Reinforcement Learning, Deep Learning, Machine Learning Methods, Artificial Intelligence and Machine Learning (AI/ML), Computational Logic, Model Evaluation, Markov Model, Responsible AI, Machine Learning Algorithms, Decision Intelligence, AI Workflows, Model Optimization, Artificial Intelligence, Agentic systems, Machine Learning, Algorithms, Artificial Neural Networks, Statistical Machine Learning, Theoretical Computer Science, Applied Mathematics
Intermediate · Specialization · 3 - 6 Months

University of Toronto
Skills you'll gain: Robotics, Network Routing, Graph Theory, Algorithms, Simulations, Predictive Modeling, Scenario Testing, Spatial Data Analysis
★ 4.8 (487) · Advanced · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Storytelling, Aesthetics, Writing and Editing, Writing, Liberal Arts, Social Sciences, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Informatics, Health Technology, Health Systems, Health Policy, Health Care, Informatics, Health Information Management, Information Technology, Health Care Procedure and Regulation, Systems Analysis, Health Insurance Portability And Accountability Act (HIPAA) Compliance, System Requirements, Requirements Analysis, Interoperability, Data Literacy, Data Sharing, Medical Imaging, Emerging Technologies
★ 4.3 (608) · Beginner · Course · 1 - 4 Weeks

British Standards Institution
Intermediate · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Laboratory Testing, Diagnostic Tests, Medical Terminology, General Medical Tests and Procedures, Pharmaceutical Terminology, Vital Signs, Clinical Experience, Patient Communication, Patient Safety, Emergency and Intensive Care, Medication Administration, Intravenous Therapy, Anatomy, English Language
★ 4.8 (3.3K) · Beginner · Course · 1 - 3 Months