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.

Skills you'll gain: Personalized Campaigns, Data-Driven Marketing, Cross-Channel Marketing, Marketing Channel, Content Marketing, Marketing Analytics, Data Ethics, Campaign Management, Data-Driven Decision-Making, Marketing Strategies, Integrated Marketing Communications, Marketing Automation, MarTech, Content Development and Management, Content Strategy, Content Performance Analysis, Adobe Express, AI Personalization, Social Media, Market Research
★ 4.7 (101) · Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Intellectual Property, Healthcare Industry Knowledge, Pharmaceuticals, Health Care Procedure and Regulation, Regulation and Legal Compliance, Legal Strategy, Medical Privacy, Drug Development, Health Policy, Medical Science and Research, Branding, Research, Case Studies, Economics, Market Dynamics
★ 4.8 (149) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Docker (Software), Azure DevOps, Restful API, Azure DevOps Pipelines, Microservices, Containerization, DevOps, ASP.NET, CI/CD, .NET Framework, Devops Tools, Continuous Integration, Web Services, Continuous Delivery, Application Programming Interface (API), API Design, Test Automation, Application Deployment, Development Testing
★ 4.2 (54) · Advanced · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Water Quality, Sanitation, Water Resources, Water Resource Management, Laboratory Testing, Microbiology, Sterilization, Environmental Engineering, Health Policy, Public Health and Disease Prevention, Public Health, Infectious Diseases, Governance, Epidemiology, Economics, Chemistry
★ 4.8 (1.1K) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Open Source Technology, Package and Software Management, Unit Testing, R (Software), GitHub, Version Control, Rmarkdown, Cross Platform Development, Software Versioning, Software Documentation, Test Case, Testability, R Programming, Code Reusability, Knitr, Continuous Integration, Program Development, Build Tools, Git (Version Control System), Development Testing
★ 4.1 (223) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Angular, Test Driven Development (TDD), Web Components, Unit Testing, Development Testing, Web Design and Development, HTML and CSS, Web Development, Test Script Development, Software Testing, Cascading Style Sheets (CSS), Web Applications, Front-End Web Development, JavaScript Frameworks, Hypertext Markup Language (HTML), Development Environment, UI Components, Application Frameworks, Javascript, Data Persistence
★ 4.3 (41) · Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Immunology, Infectious Diseases, Molecular, Cellular, and Microbiology, Public Health and Disease Prevention, Molecular Biology, Epidemiology, Microbiology, Life Sciences, Public Health, Medical Science and Research, Biotechnology, Drug Development, Pathology, Climate Change Programs, Pharmaceuticals, Cell Cultures, Preventative Care, Cell Biology, Laboratory Testing, Community Health
★ 4.9 (92) · Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: GitHub Copilot, Prompt Engineering, Prompt Patterns, AI literacy, GitHub, Computer Programming, Software Installation, System Configuration
★ 4.4 (343) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cyber Security Assessment, Responsible AI, Cybersecurity, AI Integrations, Threat Detection, Incident Response, AI Security, AI literacy, Generative AI, Security Testing, Risking
★ 4.9 (28) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MITRE ATT&CK Framework, Vulnerability Assessments, Open Web Application Security Project (OWASP), Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Scanning, Vulnerability Management, Threat Modeling, Cybersecurity, Malware Protection, Mobile Security, Cyber Threat Intelligence, Penetration Testing, Exploitation techniques, Brute-force attacks, Network Security, Cryptography, Threat Management, Information Systems Security, Threat Detection, Cloud Security
★ 4.8 (35) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Test Planning, Test Tools, Configuration Management, Software Configuration Management, Software Testing, Test Automation, Software Quality Assurance, Test Engineering, Risk Management, Risk Management Framework, Issue Tracking
★ 4.8 (28) · Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Patient Evaluation, Gerontology, Health Policy, Program Evaluation, Geriatrics, Public Health and Disease Prevention, Preventative Care, Prenatal Care, Epidemiology, Health Equity, Maternal Health, Health Disparities, Diagnostic Tests, Public Health, Health Education, Child Health, General Medical Tests and Procedures, Laboratory Testing, Primary Care, Healthcare Ethics
★ 4.6 (406) · Beginner · Course · 1 - 3 Months