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 System
Skills you'll gain: Preventative Care, Postpartum Care, Infant Care, Pediatrics, Public Health and Disease Prevention, Health Assessment, Endocrinology, Pharmacology, Clinical Monitoring, Cardiology, Diagnostic Tests, Laboratory Testing, Hematology, Communication Disorders, Infectious Diseases
★ 4.8 (633) · Beginner · Course · 1 - 3 Months

University of Lausanne
Skills you'll gain: Laboratory Testing, Analytical Testing, Legal Proceedings, Substance Abuse, Culture, Social Sciences, Sociology, Criminal Investigation and Forensics, Arbitration, Law, Regulation, and Compliance, Ethical Standards And Conduct
★ 4.6 (371) · Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, SAP Applications, Unit Testing, Restful API, Application Deployment, Core Data (Software), Business Reporting, Code Reusability, Debugging, Behavior-Driven Development, Full-Stack Web Development, Test Script Development, Application Design, Application Development, Development Testing, Report Writing, Security Controls, HTML and CSS
★ 3.7 (44) · Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Vulnerability Assessments, Vulnerability Scanning, Cyber Security Assessment, Network Monitoring, Penetration Testing, Virtual Private Networks (VPN), Command-Line Interface, Linux Commands, Security Testing, Cyber Operations, Cybersecurity, Information Systems Security, Linux, Software Installation, Network Security, Linux Administration, Network Analysis
★ 4.3 (239) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: User Story, User Interface and User Experience (UI/UX) Design, Usability, UI/UX Strategy, Design Thinking, User Interface (UI) Design, User Experience Design, Mockups, Wireframing, Interaction Design, Experience Design, Usability Testing, Human Centered Design, User Centered Design, Application Design, AI literacy, Responsible AI, Prototyping
★ 4.5 (28) · Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Software Design Patterns, Software Architecture, Software Development Life Cycle, Software Quality Assurance, Software Quality (SQA/SQC), Software Design, Software Engineering, Quality Assurance, Systems Analysis, Object Oriented Design, Systems Design, Project Management, Project Planning, Systems Architecture, Unified Modeling Language, Diagram Design
★ 4.6 (219) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Databricks, CI/CD, Apache Spark, Microsoft Azure, Data Governance, Data Lakes, Data Architecture, Integration Testing, Continuous Integration, Continuous Deployment, Data Infrastructure, Real Time Data, Data Integration, Data Pipelines, IT Automation, Data Management, Automation, Data Storage, Metadata Management, File Systems
★ 4.4 (57) · Intermediate · Specialization · 1 - 3 Months

American Psychological Association
Skills you'll gain: Institutional Review Board (IRB), Descriptive Statistics, Quantitative Research, Data Literacy, Scientific Methods, Graphing, Research Design, Statistical Visualization, Statistical Hypothesis Testing, Science and Research, Research Methodologies, Probability & Statistics, Research, Statistical Inference, Statistics, Statistical Analysis, Statistical Methods, Ethical Standards And Conduct, Data Analysis, Research and Design
★ 4.8 (296) · Beginner · Specialization · 3 - 6 Months

Imperial College London
Skills you'll gain: Health Technology, Telehealth, Health Disparities, Health Informatics, Health Systems, Electronic Medical Record System, Electronic Medical Record, Health Equity, Interoperability, Public Health, Epidemiology, Big Data, Public Health and Disease Prevention, Digital Transformation, Applied Machine Learning, Health Information Management, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Data Integration
★ 4.5 (270) · Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Electrical Systems, Electrical Safety, Safety Standards, Energy and Utilities, Environmental Regulations, Sustainable Technologies, Manufacturing and Production, Manufacturing Processes, Electric Power Systems, Production Process, Chemistry, Power Electronics, Sustainable Engineering, Sustainable Design, Thermal Management, Equipment Design, Analytical Testing, Materials science, Electronic Components, Chemical Engineering
★ 4.7 (321) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: File I/O, Memory Management, Debugging, C++ (Programming Language), C and C++, Software Documentation, Code Reusability, Development Testing, Vibe coding, Programming Principles, API Design, Program Development, Pseudocode, Software Architecture, Software Design, Functional Design, Performance Tuning, Application Design, Technical Documentation, Generative AI
★ 4.4 (46) · Beginner · Professional Certificate · 3 - 6 Months

Universidad Austral
Skills you'll gain: Software Documentation, Object Oriented Design, Unified Modeling Language, Software Design, Test Driven Development (TDD), Unit Testing, Object Oriented Programming (OOP), Maintainability, Test Automation, Development Testing, Diagram Design, Programming Principles, Software Quality (SQA/SQC), Software Development, Computer Programming, Python Programming
★ 4.1 (295) · Beginner · Course · 1 - 4 Weeks