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 Colorado Boulder
Skills you'll gain: Databases, Database Development, Database Management, Acceptance Testing, Data Architecture, Web Applications, Microservices, Software Architecture, Software Engineering, System Testing, Data Infrastructure, Software Systems, System Monitoring, Functional Requirement, Application Deployment, Site Reliability Engineering, Middleware, Distributed Computing, Prototyping, Big Data
★ 3.6 (20) · Advanced · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Data Literacy, Statistical Hypothesis Testing, Scientific Methods, Data Analysis, Statistical Reporting, Experimentation, Science and Research, Research Design, Analytical Skills, General Science and Research, Research, Peer Review, Probability & Statistics, Journalism, Statistical Inference, Statistical Methods, Media and Communications, Research Methodologies
★ 4.7 (18) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Agile Methodology, Scrum (Software Development), Embedded Software, Agile Software Development, Embedded Systems, Software Testing, Development Testing, Software Development Methodologies, Agile Project Management, Git (Version Control System), Docker (Software), Containerization, Linux, System Programming, Electrical and Computer Engineering, Application Deployment, Operating Systems, File Systems, Internet Of Things, Build Tools
★ 4.7 (21) · Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Graph Theory, R (Software), Social Sciences, Statistical Analysis, R Programming, Statistical Software, Sociology, Network Model, Statistical Modeling, Statistical Hypothesis Testing, Statistical Methods, Dependency Analysis
★ 4.3 (13) · Intermediate · Course · 1 - 4 Weeks

Tencent Cloud
Skills you'll gain: Cloud Computing Architecture, Hybrid Cloud Computing, Cloud-Native Computing, Cloud Computing, Cloud Platforms, Cloud Solutions, Serverless Computing, Solution Architecture, Private Cloud, Cloud Infrastructure, Cloud Services, Data Migration, Software Architecture, Big Data, Cloud Security, Infrastructure Architecture, Systems Architecture, Security Management, Microservices, DevOps
★ 4.4 (14) · Advanced · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Site Reliability Engineering, Data Integrity, Performance Tuning, CI/CD, Data Processing, Debugging, System Monitoring, Unit Testing, Application Deployment, Disaster Recovery
★ 3.6 (24) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, ChatGPT, Fine-tuning, Keras (Neural Network Library), Model Training, Applied Machine Learning, Data Preprocessing, Image Analysis, Data Import/Export, Test Data, Machine Learning, Python Programming, Artificial Neural Networks, Deep Learning
★ 4.4 (36) · Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Preventative Care, Patient Education And Counseling, Pharmacology, Contraindication, Bloodborne Pathogens, Public Health and Disease Prevention, Drug Interaction, Health Promotion, Primary Care, Health Disparities, Patient Education and Support, Medication Therapy Management, Health Equity, Pharmacotherapy, Clinical Pharmacy, Patient Evaluation, Public Health, Community Health, Clinical Assessment, Patient Communication
★ 4.7 (150) · Beginner · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Cybersecurity, Data Management, Information Management, Infrastructure Security, Interoperability, Digital Transformation, Data Security, Data Governance, Public Administration, Governance, Case Studies, Public Key Infrastructure, digital literacy, Identity and Access Management, Service Design, Policy Analysis, Systems Integration, Strategic Planning
★ 4.7 (97) · Beginner · Course · 1 - 4 Weeks

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 (43) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: AI Security, Penetration Testing, Exploit development, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Cyber Security Assessment, Unix, Cyber Operations, Computer Security, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Cryptographic Protocols, Network Protocols, Cryptography, Security Awareness, Generative AI Agents, Server Side, Web Applications, Machine Learning Algorithms
★ 4.4 (22) · Intermediate · Specialization · 3 - 6 Months

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