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: Statistical Process Controls, Statistical Hypothesis Testing, Lean Methodologies, Process Improvement, Six Sigma Methodology, Kaizen Methodology, Lean Six Sigma, Benchmarking, Process Capability, Risk Analysis, Quality Improvement, Process Improvement and Optimization, Process Analysis, Team Performance Management, Statistical Analysis, Continuous Improvement Process, Team Leadership, Team Management, Root Cause Analysis, Regression Analysis
★ 4.8 (58) · Intermediate · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Computer Security Incident Management, Vulnerability Management, Cyber Security Strategy, Cyber Governance, Incident Response, Cyber Operations, Cyber Threat Intelligence, Encryption, Cyber Attacks, Governance Risk Management and Compliance, Incident Management, Cryptographic Protocols, Threat Detection, Security Strategy, IT Security Architecture, Mobile Security, Vulnerability, Security Awareness, Vulnerability Assessments, Vulnerability Scanning
★ 4.7 (52) · Beginner · Specialization · 1 - 3 Months

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Processing, Data Access, Data Sharing, Web Applications, Data Mining, Interoperability, Software Architecture, Data Architecture, Data Modeling
★ 4.1 (94) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, SAP Applications, Unit Testing, Restful API, Application Deployment, Core Data (Software), Business Reporting, Code Reusability, Debugging, Behavior-Driven Development, Full-Stack Web Development, Test Script Development, Application Development, Development Testing, Object Oriented Design, Report Writing, Security Controls, HTML and CSS
★ 3.6 (41) · Intermediate · Specialization · 1 - 3 Months

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 (98) · Mixed · Course · 1 - 4 Weeks

Eindhoven University of Technology
Skills you'll gain: Science and Research, Scientific Methods, Research Design, Research, Quantitative Research, Research Methodologies, General Science and Research, Statistical Reporting, Sample Size Determination, Simulations, Data Sharing, Statistical Inference, Statistical Methods, Statistical Analysis, Statistical Hypothesis Testing, Data Ethics, Computational Thinking, Data Synthesis, Probability & Statistics
★ 4.9 (112) · Intermediate · Course · 1 - 3 Months

IIT Bombay
Skills you'll gain: Design Thinking, User Research, Ideation, Prototyping, Human Centered Design, Design Research, Product Design, Design Strategies, Sustainable Business, Innovation, Brainstorming, User Centered Design, Creative Thinking, Empathy, User Feedback, Product Development, Customer experience improvement, Case Studies, Cultural Responsiveness, Collaboration
★ 4.7 (68) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Metadata Management, Data Manipulation, Data Integration, Application Deployment, Data Mapping, Extract, Transform, Load, Database Management Systems, Data Transformation, Data Access, Context Management, Data Migration, Data Pipelines, Dataflow
★ 4.6 (68) · Intermediate · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Game Design, Unity Engine, 3D Assets, Prototyping, Video Game Development, 3D Modeling, Software Design, Computer Graphics, Multimedia, Programming Principles, Development Testing, Storytelling
★ 4.8 (66) · Intermediate · Course · 1 - 4 Weeks

École Polytechnique
Skills you'll gain: Vibrations, Structural Engineering, Structural Analysis, Engineering Analysis, Civil Engineering, Geostatistics, Hazard Analysis, Mechanics, Engineering, Scientific, and Technical Instruments, Failure Analysis, Physical Science, Simulation and Simulation Software, Mathematical Modeling, Experimentation, Laboratory Testing
★ 4.2 (40) · Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: API Design, API Gateway, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Data Validation, Authentications, OAuth, Cloud API, Microservices, Application Deployment, Continuous Deployment, CI/CD, Authorization (Computing), Application Frameworks, Performance Tuning, Application Lifecycle Management, Prometheus (Software), Grafana
★ 3.3 (13) · Intermediate · Specialization · 1 - 3 Months

EDUCBA
Skills you'll gain: Process Driven Development, Software Quality Assurance, Process Management, Software Development, Verification And Validation, Software Engineering, Software Development Life Cycle, Software Development Methodologies, Quality Assurance, Systems Engineering, Configuration Management, Requirements Analysis, Process Modeling, Quality Control
★ 4.4 (73) · Beginner · Course · 1 - 4 Weeks