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.

Duke University
Skills you'll gain: CI/CD, Continuous Integration, Continuous Deployment, Automation, GitHub, YAML, Event-Driven Programming, Git (Version Control System), Code Reusability, Software Testing
★ 3.2 (23) · Beginner · Guided Project · Less Than 2 Hours

MedCerts
Skills you'll gain: Pulmonology, Medical Terminology, Cardiology, Respiratory Care, Respiration, General Medical Tests and Procedures, Hemodynamics, Medical Records, Cardiac Dysrhythmia, Immunology, Pathology, Hematology, Anatomy, Diagnostic Tests, Laboratory Testing, Health Information Management and Medical Records, Physiology
★ 4.6 (25) · Beginner · Course · 1 - 4 Weeks

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: React Native, Mobile Development, iOS Development, Apple iOS, Android Development, Mobile Development Tools, UI Components, Cross Platform Development, React Redux, Application Development, React.js, Application Frameworks, Development Environment, Debugging, Context Management, Software Development, Data Persistence, Command-Line Interface, Data Validation
★ 4.9 (24) · Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: AI Security, Responsible AI, Incident Response, Computer Security Incident Management, Data Ethics, Generative AI, LLM Application, Large Language Modeling, Generative Model Architectures, Threat Modeling, Security Testing, Cybersecurity, IT Security Architecture, Security Architecture Review, Artificial Intelligence, Machine Learning, Security Management, MLOps (Machine Learning Operations), Agentic systems, Ethical Standards And Conduct
★ 4.3 (12) · Beginner · Specialization · 3 - 6 Months

KodeKloud
Skills you'll gain: Cloud Computing, Cloud Solutions, Cloud Engineering, Amazon CloudWatch, Cloud Computing Architecture, Identity and Access Management, Data Migration
Beginner · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Structural Analysis, Civil Engineering, Engineering Analysis, Engineering, Mechanics, Engineering Calculations, Hydraulics, Failure Analysis, Laboratory Testing
★ 4.8 (25) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Frontend Integration, Full-Stack Web Development, Email Automation, Front-End Web Development, HTML and CSS, User Interface (UI), Web Design, Code Reusability, Server Side, Java Programming, Email Marketing, MySQL, Program Development, Hypertext Markup Language (HTML), Software Architecture, Web Applications, Back-End Web Development, Development Testing, Cascading Style Sheets (CSS), Case Studies
★ 4.4 (22) · Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Semiconductors, Electronics, Materials science, Process Flow Diagrams, Product Testing, Electronic Components, Engineering Design Process, Mechanical Engineering, Electrical Engineering, Laboratory Techniques, Personal protective equipment
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Construction, Construction Inspection, Construction Management, Construction Engineering, Construction Estimating, Maintenance, Repair, and Facility Services, General Construction and Construction Labor, Product Lifecycle Management, Cost Estimation, Building Codes, Structural Engineering, Engineering Practices, Digital Analysis, Plant Operations and Management, Facility Repair And Maintenance, Architecture and Construction, Civil Engineering, Laboratory Testing, Digital Transformation, Assembly Drawing
★ 4.5 (11) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: CI/CD, ASP.NET, Continuous Deployment, Application Deployment, Cloud Deployment, Restful API, Azure DevOps Pipelines, Software Testing, .NET Framework, Responsive Web Design, jQuery, API Design, Data Migration, Azure DevOps, Configuration Management, Data Validation, HTML and CSS, Database Application, JavaScript Frameworks, Middleware
Intermediate · Professional Certificate · 3 - 6 Months

New York Institute of Finance
Skills you'll gain: Blockchain, FinTech, Supply Chain Management, Transaction Processing, Supply Chain Systems, Supply Chain, Emerging Technologies, AI Enablement, Distributed Computing, Interoperability, Data Sharing, Data Integrity
★ 4.5 (98) · Intermediate · Course · 1 - 4 Weeks