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 Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Education Software and Technology, Digital pedagogy, Program Evaluation, Learning Management Systems, Analytics, Data Ethics, AI Personalization, Data Access, Natural Language Processing
★ 4.6 (331) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Penetration Testing, Linux Commands, Command-Line Interface, Security Testing, Linux, Cybersecurity, Vulnerability Scanning, Operating Systems, Exploitation techniques, Microsoft Windows, File Systems, Mac OS
★ 4.6 (100) · Mixed · Course · 1 - 4 Weeks

Novartis
Skills you'll gain: Drug Interaction, Pharmacology, Pharmaceuticals, Pre-Clinical Development, Drug Development, Pharmacotherapy, Biochemical Assays, Laboratory Testing, Medication Administration, Pharmaceutical Terminology, Clinical Research, Laboratory Research
★ 4.8 (76) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Process Mapping, Six Sigma Methodology, Lean Six Sigma, Quality Improvement, Organizational Change, Lean Methodologies, Statistical Hypothesis Testing, Process Improvement and Optimization, Lean Manufacturing, Organizational Leadership, Quality Management, Process Analysis, Process Improvement, Correlation Analysis, Project Scoping, Kaizen Methodology, Data-Driven Decision-Making, Root Cause Analysis, Statistical Analysis, Management Training And Development
★ 4.9 (78) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Solution Design, Project Scoping, Technical Documentation, System Implementation, Project Management, Technology Solutions, Project Implementation, Program Implementation, Project Closure, Project Coordination, Technical Consulting, Solution Delivery, Stakeholder Analysis, Requirements Analysis, Journey Mapping, Customer Engagement, Test Planning, Requirements Elicitation, Customer Analysis, Business Transformation
★ 4.6 (89) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Data Structures, Generative AI, Test Driven Development (TDD), Integration Testing, Cloud Development, Cloud Deployment, Development Testing, Python Programming, Object Oriented Programming (OOP), Cloud Applications, Serverless Computing, Cloud Computing, Microsoft Azure, Graph Theory, Software Documentation, Object Oriented Design, Maintainability, Code Review, Software Design, Technical Documentation
★ 4.1 (27) · Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Application Deployment, Continuous Deployment, CI/CD, Application Lifecycle Management, Test Automation, Software Documentation, Application Performance Management, Continuous Integration
★ 3.7 (12) · Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Angular, Application Deployment, JavaScript Frameworks, Software Testing, Test Tools, Web Development Tools, Unit Testing, Application Performance Management, CI/CD, Continuous Integration, Web Applications, TypeScript, Ajax, Application Lifecycle Management, Secure Coding, Web Development, Code Coverage, Software Architecture, Command-Line Interface, Version Control
★ 4.1 (18) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Object Oriented Design, Software Design, Computer Programming, Software Testing, Application Development
★ 4.5 (114) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsible AI, Prompt Engineering, Generative AI, Generative Model Architectures, AI Security, Data Ethics, Microsoft Azure, Artificial Intelligence, LLM Application, AI Integrations, Artificial Intelligence and Machine Learning (AI/ML), AI Workflows, Application Design, Security Controls, Fine-tuning, Large Language Modeling, Deep Learning, Model Optimization, Model Evaluation
★ 4.4 (25) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Natural Language Processing, Microsoft Azure, Computer Vision, No-Code Development, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Predictive Modeling, Artificial Intelligence, AI literacy, Responsible AI
★ 4.7 (231) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Dataflow, Big Data, Data Pipelines, Data Store, Serverless Computing, Data Migration, Model Training, Apache Hadoop, Data Storage Technologies, Identity and Access Management, Data Storage, Tensorflow, Cloud Storage, AI Personalization, Advanced Analytics, Applied Machine Learning, AI Integrations, Site Reliability Engineering, Data Processing
★ 4 (135) · Beginner · Specialization · 3 - 6 Months