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 Maryland, College Park
Skills you'll gain: Pay Per Click Advertising, Data-Driven Marketing, Marketing Analytics, Web Analytics, Search Engine Optimization, Analytics, Paid media, Search Engine Marketing, Web Analytics and SEO, Digital Marketing, Data-Driven Decision-Making, Digital Marketing Tools, A/B Testing, Data Analysis, AI Personalization, Contextual Advertising, Big Data, Customer Analysis, Customer Data Management, Machine Learning
★ 4.5 (11) · Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Computational Logic, Systems Design, Verification And Validation, Computer Engineering, Communication Systems, Systems Analysis, Software Systems, Process Modeling, Theoretical Computer Science, Computational Thinking, Functional Specification, Software Architecture, Model Optimization, Software Design, Graph Theory, Software Testing, Software Quality Assurance, Computer Architecture, Test Tools, Logical Reasoning
★ 4.7 (12) · Beginner · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: Data Visualization, Microsoft Excel, Interactive Data Visualization, Excel Formulas, Pivot Tables And Charts, Dashboard Creation, Dashboard, Excel Macros, Statistical Methods, Spreadsheet Software, Data Analysis, Analytics, Data Wrangling, Data Preprocessing, Regression Analysis, Analytical Skills, Descriptive Statistics
★ 4.3 (42) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Construction Engineering, Building Codes, Engineering, Scientific, and Technical Instruments, Structural Engineering, Structural Analysis, Engineering Analysis, Construction, Engineering Calculations, Simulation and Simulation Software, Finite Element Methods, Civil Engineering, Construction Management, Mathematical Software, Engineering Practices, Environmental Monitoring, Safety Standards, Civil and Architectural Engineering, Failure Analysis, Engineering Design Process, Laboratory Testing
★ 4.4 (10) · Advanced · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Application Design, Android Studio, Mobile Development, Android (Operating System), Application Development, Mobile Development Tools, Prototyping, User Interface and User Experience (UI/UX) Design, User Interface (UI), Mockups, Development Testing, Problem Management
★ 4.8 (23) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, Feature Engineering, Anomaly Detection, Data Visualization, Data Presentation, MLOps (Machine Learning Operations), Agentic Workflows, Interactive Data Visualization, AI Orchestration, AI Security, A/B Testing, Generative AI Agents, Threat Management, Model Optimization, Open Web Application Security Project (OWASP), Technical Communication, Agentic systems, Continuous Monitoring, CI/CD, Reinforcement Learning
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Data Modeling, Google Cloud Platform, Feature Engineering, Model Training, Data Store, Data Preprocessing, Data Processing, Data Management, Data Storage Technologies
★ 4 (20) · Intermediate · Course · 1 - 4 Weeks

Emory University
Skills you'll gain: Laboratory Testing, Specimen Processing, Epidemiology, Infection Control, Laboratory Procedures, Public Health, Infectious Diseases, Public Health and Disease Prevention, Healthcare Ethics, Bloodborne Pathogens, Emergency Response, Health Policy, Patient Evaluation, Health Systems, Medical Science and Research, International Relations, Public Safety and National Security, Diagnostic Tests, Direct Patient Care, Personal protective equipment
★ 4.7 (222) · Mixed · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Semiconductors, Finite Element Methods, Medical Devices, Microarchitecture, Engineering Analysis, Mechanical Design, Process Flow Diagrams, Materials science, Laboratory Equipment, Electronics, Quality Assurance, Medical Equipment and Technology, Process Control, Biomedical Engineering, Product Testing, Manufacturing Processes, Electrical Engineering, Electronic Components, Computer Architecture, Mechanical Engineering
★ 4.9 (12) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Cybersecurity, Cryptography, Mobile Security, Cyber Operations, Cryptographic Protocols, Security Testing, Vulnerability Scanning, Application Security, Network Security, Operating Systems, Encryption, Hardening, Vulnerability Assessments, Computer Security
★ 4 (20) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: User Interface (UI), Prototyping, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Usability, User Research, Interactive Design, Design Software, Design Strategies, Design, User Centered Design, User Experience Design, Visual Design, Usability Testing, Graphic and Visual Design Software, Figma (Design Software), Graphics Software, Graphic and Visual Design, Design Elements And Principles
★ 4.8 (42) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), User Interface and User Experience (UI/UX) Design, Interactive Design, Usability, Prototyping, User Interface (UI) Design, Figma (Design Software), Interaction Design, UI Components, Usability Testing
★ 4.4 (10) · Intermediate · Guided Project · Less Than 2 Hours