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: Data Pipelines, Rust (Programming Language), Restful API, Cloud-Based Integration, Amazon Web Services, Data Structures, Secure Coding, Data Processing, Application Programming Interface (API), Data Manipulation, System Programming, Cryptography, Python Programming, Command-Line Interface, Software Testing
Intermediate · Course · 1 - 4 Weeks

Technical University of Denmark (DTU)
Skills you'll gain: Laboratory Testing, Semiconductors, Materials science, Sustainable Technologies, Energy and Utilities, Chemistry, Analytical Testing, Process Engineering, Laboratory Research, Manufacturing Processes, Failure Analysis, Product Lifecycle Management
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Continuous Delivery, Test Driven Development (TDD), Unit Testing, Continuous Deployment, Continuous Integration, Test Script Development, Program Development, CI/CD, Agile Methodology, Test Automation, Development Testing, Mockups, Test Case, Agile Software Development, Software Testing, Debugging, Software Development, Python Programming, Version Control, Requirements Analysis
Intermediate · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Experimentation, Sample Size Determination, Research Design, Statistical Analysis, Science and Research, Statistical Methods, Scientific Methods, Data Analysis Software, Statistical Hypothesis Testing, Sampling (Statistics), Statistical Software, Mathematical Software, Design Strategies, Probability & Statistics, Descriptive Statistics, Variance Analysis
Intermediate · Course · 1 - 3 Months

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
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
Mixed · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Blood Collection, Specimen Collection, Specimen Processing, Specimen Preparation, Urinalysis, Laboratory Testing, Cell Cultures, Cell Biology, Analytical Testing, Laboratory Research, Molecular, Cellular, and Microbiology, Biochemistry, Molecular Biology, Biomedical Technology, Laboratory Equipment, Biology
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: User Experience, User Experience Design, Wireframing, User Research, Persona (User Experience), Responsible AI, User Interface and User Experience (UI/UX) Design, Usability, Adobe XD, Usability Testing, Generative AI, Figma (Design Software), AI literacy, Prototyping, User Interface (UI) Design, Persona Development
Beginner · 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
Intermediate · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Focus Group, Qualitative Research, Discussion Facilitation, Business Research, Market Research, Surveys, Report Writing, Recruitment, Research Reports, Research Methodologies, Survey Creation, Drive Engagement, Research Design, Research, Interviewing Skills, Stakeholder Engagement, Analysis, Sample Size Determination
Intermediate · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Econometrics, Regression Analysis, Statistical Inference, Statistical Methods, Statistical Hypothesis Testing, Statistical Modeling, Statistical Analysis, Correlation Analysis, Economics, Probability & Statistics, Time Series Analysis and Forecasting, Data Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Containerization, Prompt Engineering, AI Orchestration, Scalability, Docker (Software), Application Deployment, Agentic Workflows, AI Workflows, Generative AI Agents, Retrieval-Augmented Generation, Prompt Patterns, Microsoft Azure, LangChain, Artificial Intelligence, Microservices, Natural Language Processing, Serverless Computing, Reinforcement Learning, Distributed Computing
Intermediate · Professional Certificate · 3 - 6 Months