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 Amsterdam
Skills you'll gain: Statistical Hypothesis Testing, Probability & Statistics, Statistical Methods, Statistics, Statistical Analysis, Quantitative Research, Data Analysis Software
★ 4.6 (4.7K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Web Development Tools, Javascript, Unit Testing, Web Applications, Programming Principles, Object Oriented Programming (OOP), Scripting Languages, Event-Driven Programming, Node.JS, Scripting, JSON, Computer Programming, Data Structures, Package and Software Management, Front-End Web Development, Functional Design
★ 4.7 (4.9K) · Beginner · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Continuous Delivery, DevOps, Continuous Deployment, Devops Tools, CI/CD, Continuous Integration, Test Automation, Agile Methodology, Continuous Improvement Process, Unit Testing, Information Technology Operations, Systems Administration, System Testing, Software Testing
★ 4.6 (1.6K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Figma (Design Software), User Experience, User Interface and User Experience (UI/UX) Design, Graphic and Visual Design, User Experience Design, Usability, Mockups, Usability Testing, Interactive Design, User Interface (UI) Design, Design Elements And Principles, Interaction Design, Design Reviews, Prototyping, Systems Design, Technical Communication, Typography, Motion Graphics, Design Research, User Research
★ 4.8 (4.8K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Meta Ads Manager, Data Storytelling, Business Metrics, Key Performance Indicators (KPIs), Marketing Analytics, Data-Driven Marketing, Bayesian Statistics, Data Visualization, Descriptive Statistics, Marketing Effectiveness, Statistical Hypothesis Testing, Target Audience, Marketing Strategies, Pandas (Python Package), Data Analysis, Data Visualization Software, A/B Testing, Data Collection, Marketing, Interviewing Skills
★ 4.7 (4.4K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Test Automation, CI/CD, Test Script Development, Unit Testing, Continuous Integration, Application Programming Interface (API), DevOps, Devops Tools, Software Testing, IT Automation, Maintainability, Python Programming, Software Quality (SQA/SQC), Package and Software Management, Automation, Release Management, Authentications, GitHub, Software Versioning
Intermediate · Course · 1 - 3 Months

Georgia Institute of Technology
Skills you'll gain: User Experience Design, Prototyping, User Experience, User Centered Design, User Interface and User Experience (UI/UX) Design, Usability, Requirements Analysis, UI/UX Research, Requirements Elicitation, User Interface (UI), Design Research, Interaction Design, User Interface (UI) Design, Usability Testing, User Research
★ 4.6 (9K) · Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Test Planning, Linux, Embedded Systems, Electronics, Internet Of Things, Embedded Software, Network Protocols, User Requirements Documents, Functional Specification, Electronic Components, OSI Models, Basic Electrical Systems, Electronic Hardware, Linux Commands, Systems Design, Operating Systems, Debugging, Application Programming Interface (API), TCP/IP, Python Programming
★ 4.7 (20K) · Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Cyber Threat Intelligence, Threat Management, Threat Detection, Cybersecurity, Security Testing, IT Security Architecture, Cyber Security Assessment, Cyber Security Strategy, Security Strategy, Security Management, Cyber Risk, Risk Management Framework, Risk Management, Information Systems Security, Vulnerability Scanning, Vulnerability Assessments, Security Controls, Penetration Testing, Incident Response, Vendor Management
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: File I/O, Matplotlib, Object Oriented Design, Java, Object Oriented Programming (OOP), Data Analysis, Unit Testing, Pandas (Python Package), Java Programming, Eclipse (Software), Application Development, Data Visualization, Data Structures, Data Science, Data Cleansing, Debugging, Programming Principles, Computer Programming Tools, Python Programming, Computer Programming
★ 4.5 (1.9K) · Beginner · Specialization · 3 - 6 Months

Stanford University
Skills you'll gain: Descriptive Statistics, Statistics, Probability & Statistics, Statistical Methods, Sampling (Statistics), Statistical Analysis, Data Analysis, Statistical Hypothesis Testing, Regression Analysis, Statistical Inference, Probability, Exploratory Data Analysis, Analysis, Statistical Machine Learning, Statistical Visualization, Data Collection, Probability Distribution, Correlation Analysis
★ 4.6 (4.3K) · Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, Generative AI Agents, LLM Application, AI Workflows, AI Orchestration, Agentic Workflows, GitHub Copilot, AI Enablement, AI Security, Prompt Engineering, Code Review, Prompt Patterns, Software Development, Web Applications, Software Testing, Security Testing, Software Engineering, Web Development
★ 4.4 (7) · Intermediate · Course · 1 - 4 Weeks