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.

Duke University
Skills you'll gain: Containerization, CI/CD, Docker (Software), DevOps, Jenkins, Application Deployment, Continuous Integration, Rust (Programming Language), Prometheus (Software), Continuous Delivery, System Monitoring, JSON, Scripting, Command-Line Interface, Continuous Monitoring, Automation, System Programming, Software Testing, GitHub
★ 4.2 (18) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Network Security, Network Monitoring, Exploitation techniques, Cybersecurity, Vulnerability Scanning, Cryptographic Protocols, Remote Access Systems, Network Protocols, Encryption, General Networking, Command-Line Interface, Network Analysis, Proxy Servers
★ 4.7 (14) · Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Semiconductors, Electronics, Materials science, Process Flow Diagrams, Product Testing, Electronic Components, Engineering Design Process, Mechanical Engineering, Electrical Engineering, Laboratory Techniques, Personal protective equipment
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Correlation Analysis, Statistical Visualization, Descriptive Statistics, Statistical Analysis, Statistical Software, Probability & Statistics, Data Analysis, Analysis, R (Software), Systems Of Measurement, Data Quality, R Programming, Statistical Methods, Verification And Validation, Statistical Hypothesis Testing
★ 4.2 (10) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: SQL, Data Structures
★ 4.3 (7) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Incident Management, Data Centers, Computer Security Incident Management, DevSecOps, Continuous Monitoring, System Monitoring, Threat Detection, Infrastructure Security, Microsoft Servers, IT Security Architecture, Information Technology Operations, Security Management, Payment Card Industry (PCI) Data Security Standards, Data Security, Information Systems Security, Windows Servers, IT Infrastructure, Security Information and Event Management (SIEM), Security Testing
★ 4.9 (54) · Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, OpenAI API, Model Deployment, OpenAI, AI Integrations, Tool Calling, LLM Application, Enterprise Application Management, OAuth, Model Context Protocol, Prompt Engineering, Performance Tuning, Real Time Data, Interoperability, Prompt Patterns, Application Deployment
★ 3.8 (9) · Intermediate · Professional Certificate · 3 - 6 Months

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Test Data, Algorithms, Verification And Validation, Statistical Programming, Development Testing, Data Structures, Transaction Processing
★ 4.6 (34) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Secure Coding, Penetration Testing, Front-End Web Development, Application Development, Security Testing, Web Development Tools, Application Security, Event Monitoring, Development Environment, Exploit development, Frontend Integration, Web Development, Software Development Tools, Cyber Security Assessment, Payment Systems, Transaction Processing, Authorization (Computing), Token Optimization, Role-Based Access Control (RBAC)
★ 4.9 (143) · Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Semiconductors, Analytical Testing, Laboratory Equipment, Materials science, Laboratory Testing, Analytical Chemistry, Structural Analysis, Laboratory Techniques, Systems Of Measurement
★ 4.8 (36) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Jupyter, Microservices, AWS SageMaker, Command-Line Interface, Package and Software Management, Containerization, Applied Machine Learning, Python Programming, Application Deployment, Test Automation, Algorithms, Software Installation
★ 4.4 (43) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), AWS CloudFormation, CI/CD, Git (Version Control System), Jenkins, Ansible, Devops Tools, Version Control, Terraform, Docker (Software), Kubernetes, DevOps, Prometheus (Software), Cloud-Native Computing, Software Configuration Management, Continuous Deployment, Containerization, Continuous Integration, Amazon Web Services, Configuration Management
★ 4.4 (8) · Beginner · Specialization · 3 - 6 Months