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 Michigan
Skills you'll gain: Mental Health, Diversity Awareness, Cultural Diversity, Health Disparities, Social Determinants Of Health, Health Equity, Respiration, Preventative Care, Stress Management, Human Development, Positive Airway Pressure (CPAP/BiPAP), Patient Treatment, Treatment Planning, Diagnostic Tests, Mental Health Diseases and Disorders, Physiology, Child Health, Neurology, Geriatrics, Mindfulness
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Video Game Development, Game Design, iOS Development, Animation and Game Design, Usability Testing, Apple iOS, Mobile Development, Usability, Animations, Application Design, User Interface (UI) Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: Web Content Accessibility Guidelines, UI/UX Strategy, User Experience, User Interface and User Experience (UI/UX) Design, Experience Design, Writing and Editing, UI/UX Research, User Experience Design, Design and Product, User Research, Digital Design, User Interface (UI), Usability, User Interface (UI) Design, Usability Testing, Design Strategies, Style Guides, Content Strategy, User Flows, Product Design
Beginner · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Data Migration, Data Integration, Enterprise Architecture, Data Management, Data Pipelines, Data Integrity, Data Storage
Advanced · Course · 1 - 3 Months

Skills you'll gain: Network Administration, Network Architecture, Hardware Troubleshooting
Beginner · Course · 1 - 3 Months
Skills you'll gain: Qualitative Research, Research Design, Focus Group, Research Methodologies, Research, Research and Design, Data Collection, Interviewing Skills, Case Studies, Analysis, Discussion Facilitation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Basic Electrical Systems, Electronic Components, Electrical Systems, Sustainable Technologies, Power Electronics, Electric Power Systems, Electronic Systems, Environmental Issue, Energy and Utilities, Performance Testing, Climate Change Mitigation, Control Systems
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Python Programming, Data Structures, Computer Programming, Software Engineering, Performance Tuning, Web Development, Performance Testing, Debugging, Web Development Tools
Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Chronic Diseases, Pulmonology, Patient Education And Counseling, Patient Evaluation, Respiratory Care, Pulmonary Function Testing, Respiratory Therapy, Respiration, Patient Education and Support, Internal Medicine, Diagnostic Tests, Clinical Assessment, Public Health and Disease Prevention, Medication Therapy Management, Preventative Care, Patient Treatment, Pharmacotherapy
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Editing, Student-Centred Learning, Writing and Editing, Student Engagement, Teaching, Instructional Strategies, Peer Review, Writing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, Django (Web Framework), Data Migration, Full-Stack Web Development, Data Structures, Database Development, Database Management Systems, Dashboard Creation, Relational Databases, Transaction Processing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Blockchain, Front-End Web Development, Application Development, Web Development, Transaction Processing, Development Testing, Frontend Integration, Cryptography, FinTech, Emerging Technologies, Software Design, HTML and CSS, Software Architecture, Test Script Development, User Interface (UI) Design, Experience Design, Javascript, Application Deployment, Payment Systems, Data Management
Intermediate · Course · 1 - 4 Weeks