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.

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, System Design and Implementation, Application Specific Integrated Circuits, Test Case, Electronics Engineering, Verification And Validation, Electronic Hardware, Computational Logic, Electrical and Computer Engineering, Test Tools, Development Testing, Simulation and Simulation Software, Programming Principles, Simulations, Computer Programming
★ 4.4 (630) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Behavior-Driven Development, DevSecOps, Test Driven Development (TDD), Kanban Principles, Continuous Integration, Agile Software Development, Lean Methodologies, DevOps, Agile Methodology, Scrum (Software Development), Software Development Methodologies, Lean Manufacturing, Development Testing, Continuous Deployment, Unit Testing, Continuous Delivery, Application Security, CI/CD, Integration Testing, Software Development
★ 4.7 (567) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Maintainability, Object Oriented Design, Object Oriented Programming (OOP), .NET Framework, Development Environment, Code Reusability, Microsoft Development Tools, Microsoft Visual Studio, Software Engineering, Software Design, Programming Principles, Software Development Tools, Computer Programming, Computer Programming Tools, Debugging, ASP.NET, Application Deployment, Web Development, Back-End Web Development
Beginner · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Blockchain, Program Development, Cryptographic Protocols, Development Environment, Web Development Tools, Integrated Development Environments, Programming Principles, Solution Design, Business Logic, Event-Driven Programming, Application Deployment, Transaction Processing, Development Testing
★ 4.6 (2.3K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Maintainability, Hardening, Java Programming, Software Design Patterns, Application Security, Software Design, Java, Software Architecture, Memory Management, Object Oriented Design, API Design, Code Reusability, Software Development, Object Oriented Programming (OOP), Functional Design, Application Programming Interface (API), Interoperability, System Programming, C (Programming Language)
Advanced · Course · 1 - 4 Weeks

McMaster University
Skills you'll gain: Experimentation, Scientific Visualization, Plot (Graphics), Data Visualization, Predictive Modeling, Pareto Chart, Predictive Analytics, Model Optimization, Regression Analysis, A/B Testing, Statistical Modeling, Process Optimization, Statistical Software, Statistical Methods, Analysis, Data Analysis Software, Mathematical Modeling, R Programming, Data Analysis, Statistical Analysis
★ 4.9 (937) · Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Environmental Issue, English Language, Investigation, Systems Thinking, Research, Sustainable Systems, Science and Research, Sustainable Development, Scientific Methods, Literacy
Advanced · Course · 1 - 4 Weeks

Pontificia Universidad Católica del Perú
Skills you'll gain: Failure Analysis, Mechanical Engineering, Engineering Analysis, Materials science, Analytical Testing, Process Analysis, Laboratory Testing, Deductive Reasoning, Scientific Methods, Research Methodologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Detection, Penetration Testing, Exploit development, Cyber Threat Intelligence, Threat Management, Linux Administration, Incident Response, Vulnerability Scanning, Vulnerability Assessments, Cybersecurity, Vulnerability Management, Network Monitoring, Bash (Scripting Language), Cyber Security Assessment, Network Security, Anomaly Detection, Incident Management, AI Security, Information Systems Security, Network Analysis
★ 4.6 (213) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: LangChain, Prompt Engineering, Retrieval-Augmented Generation, LangGraph, AI Orchestration, Model Deployment, Prompt Patterns, LLM Application, Generative AI Agents, Generative AI, Agentic Workflows, AI Security, OpenAI, Tool Calling, Generative Model Architectures, Prompt Engineering Tools, OpenAI API, AI Workflows, Large Language Modeling, Model Context Protocol
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Supervised Learning, Model Optimization, PyTorch (Machine Learning Library), Fine-tuning, Generative Model Architectures, Convolutional Neural Networks, Recurrent Neural Networks (RNNs), Generative AI, Deep Learning, Model Training, Applied Machine Learning, Statistical Machine Learning, Classification And Regression Tree (CART), Autoencoders, Machine Learning Methods, Machine Learning Software, Machine Learning, MLOps (Machine Learning Operations), Machine Learning Algorithms, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 3 - 6 Months

The University of Hong Kong
Skills you'll gain: Medical Imaging, Dental Radiography, Dentistry, Dental Procedures, Laboratory Testing, X-Ray Computed Tomography, Materials science, Oral and Dental Care, Biomedical Engineering, Oral Health, Analytical Testing, 3D Modeling, Chemistry, Analytical Chemistry
★ 4.7 (528) · Mixed · Course · 1 - 4 Weeks