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.

Universidad Austral
Skills you'll gain: Relational Databases, Object-Relational Mapping, Database Management, Database Design, SQL, Database Development, Database Management Systems, Data Persistence, Query Languages, Data Integrity, Data Manipulation, Python Programming, Data Migration, Transaction Processing, Computer Programming
Beginner · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Containerization, File I/O, Package and Software Management, Unified Modeling Language, Software Testing, Docker (Software), Development Environment, Unit Testing, Application Deployment, Plot (Graphics), Pandas (Python Package), Scripting, Data Modeling, DevOps, Data Persistence, Programming Principles, Python Programming, Scripting Languages, Data Structures, Computer Programming
Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Process Driven Development, Software Quality Assurance, Process Management, Software Development, Embedded Software, Verification And Validation, Software Engineering, Software Development Life Cycle, Software Development Methodologies, Quality Assurance, Systems Engineering, Configuration Management, Requirements Analysis, Change Requests, Process Modeling, Quality Control
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
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Six Sigma Methodology, Lean Six Sigma, Statistical Hypothesis Testing, Statistical Analysis, Analysis, Statistical Methods, Root Cause Analysis, Quality Improvement, Statistical Inference, Process Analysis, Correlation Analysis, Probability & Statistics, Risk Analysis, Regression Analysis, Variance Analysis, Sample Size Determination, Sampling (Statistics)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Logistic Regression, Web Scraping, Prompt Engineering, Rmarkdown, Regression Analysis, Responsible AI, Leaflet (Software), Generative AI, Statistical Modeling, Statistics, Statistical Analysis, Data Ethics, Applied Machine Learning, Root Cause Analysis, AI Product Strategy, AI Enablement, AI Integrations, AI Personalization, AI Orchestration, AI Workflows
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Operations Research, Algorithms, Graph Theory, Network Model, Combinatorics, Mathematical Software, Mathematical Modeling, Theoretical Computer Science, Model Optimization, Python Programming
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cyber Security Assessment, Responsible AI, Cybersecurity, AI Integrations, Threat Detection, Incident Response, AI Security, AI literacy, Generative AI, Security Testing, Risking
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Security, Threat Modeling, Open Web Application Security Project (OWASP), Security Testing, Retrieval-Augmented Generation, Software Architecture, API Design, Test Automation, Vulnerability Management, Agentic systems, Systems Design, Model Evaluation, Test Driven Development (TDD), CI/CD, Python Programming, Continuous Deployment, Dependency Analysis, Large Language Modeling, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Immunology, Molecular Biology, Molecular, Cellular, and Microbiology, Physiology, Cell Biology, Biology, Biochemistry, Infectious Diseases
Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Feature Engineering, Data Wrangling, Exploratory Data Analysis, Matplotlib, Statistical Analysis, Plot (Graphics), Data Preprocessing, Statistical Methods, Seaborn, Data Science, Data Visualization Software, Data Manipulation, Data Processing, Data Cleansing, Data Analysis, Probability & Statistics, Data Transformation, Descriptive Statistics, Correlation Analysis, Statistical Hypothesis Testing
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Structures, Python Programming, Programming Principles, Computer Programming, Computational Logic, Software Engineering, Performance Tuning, Web Development, Performance Testing, Web Development Tools, Debugging, Software Development
Beginner · Specialization · 1 - 4 Weeks