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.

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

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Materials science, Analytical Testing, Engineering, Scientific, and Technical Instruments, electromagnetics, Laboratory Research, Scientific Visualization, Laboratory Equipment, Chemistry, Physics, Applied Mathematics
★ 4.5 (126) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: iOS Development, Apple iOS, Swift Programming, Apple Xcode, Code Review, UI Components, Unit Testing, Mobile Development, User Interface (UI), User Interface (UI) Design, Application Development, User Interface and User Experience (UI/UX) Design, Interactive Design, Code Reusability
★ 4.7 (248) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Architecture, Functional Requirement, Requirements Analysis, Internet Of Things, Software Design Patterns, Systems Architecture, Android Development, Embedded Software, Application Frameworks, Interoperability
★ 4.3 (250) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Experimentation, Research Design, Statistical Methods, Statistical Analysis, Data Ethics, General Science and Research, Statistical Modeling, Data Science, Data Analysis, Quantitative Research, Regression Analysis, Statistical Inference, Probability & Statistics, Mathematical Modeling, Linear Algebra, Calculus
★ 3.9 (21) · Intermediate · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: Diagnostic Tests, Pathology, Physiology, General Medical Tests and Procedures, Laboratory Testing, Precision Medicine, Biochemistry, Chronic Diseases, Endocrinology, Treatment Planning, Patient Treatment, Pharmacology, Medical Ultrasonography, Nutrition and Diet, Medical Science and Research, Bioinformatics, Epidemiology
★ 4.8 (137) · Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Microservices, Spring Boot, API Testing, Spring Framework, IntelliJ IDEA, Java Programming, Restful API, Object Oriented Programming (OOP), Java, Application Programming Interface (API), Systems Architecture, Application Deployment, Software Architecture, API Design, Integrated Development Environments, Data Persistence, Scalability, Service Oriented Architecture, Web Applications, Application Frameworks
★ 4.3 (66) · Intermediate · Specialization · 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

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

Macquarie University
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Statistics, Descriptive Statistics, Probability & Statistics, Microsoft Excel, Data Analysis, Statistical Analysis, Statistical Inference, Statistical Methods, Spreadsheet Software, Sampling (Statistics), Data-Driven Decision-Making, Box Plots, Data Presentation, Probability Distribution, Descriptive Analytics, Data Visualization Software
★ 4.8 (80) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Performance Tuning, Memory Management, System Programming, Hardware Architecture, Program Development, Computer Architecture, Performance Testing, Computer Hardware, Algorithms
★ 2.8 (65) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Unified Modeling Language, Software Design Patterns, Software Testing, Java, Software Engineering, Java Programming, Computer Programming, User Interface and User Experience (UI/UX) Design, Unit Testing, Software Design, Software Architecture, API Design, Model View Controller, Software Development, Test Driven Development (TDD), Conceptual Design, Databases
★ 4.3 (21) · Intermediate · Specialization · 3 - 6 Months