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: Test Driven Development (TDD), Debugging, Software Testing, Performance Testing, Unit Testing, Test Engineering, System Testing, Test Tools, Test Automation, Testability, Integration Testing, Performance Stress Testing, .NET Framework, Performance Tuning, Software Development Tools
★ 4.7 (28) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Development Testing, Test Script Development, Test Case, Software Testing, Python Programming, File I/O
★ 4.1 (9) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Continuous Delivery, Software Development Tools, Site Reliability Engineering, Event Monitoring, Incident Management, Test Tools, Development Environment, Memory Management, Incident Response, Performance Testing, Root Cause Analysis, Distributed Computing, CI/CD
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Software Testing, Testability, Test Case, White-Box Testing, Behavior-Driven Development, Code Coverage, Test Engineering, Functional Testing, Test Automation, JUnit, Requirements Analysis, Java Programming
★ 3.8 (116) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Data, Test Tools, Maintainability, Test Case, Business Process Automation, Enterprise Application Management, Process Design, Automation, Case Studies, Business Reporting, Data Validation, No-Code Development, Business Process, Process Validation, Scalability, Code Reusability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JavaScript Frameworks, Test Automation, API Testing, Test Tools, Ajax, Software Testing, Scenario Testing, Restful API
★ 4.3 (10) · Advanced · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Test Planning, Test Tools, Configuration Management, Software Configuration Management, Software Testing, Test Automation, Software Quality Assurance, Test Engineering, Risk Management, Risk Management Framework, Issue Tracking
★ 4.8 (28) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Case, API Testing, Test Script Development, Test Tools, Software Testing, Development Environment, Web Development Tools, Node.JS
★ 4.4 (42) · Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Usability Testing, Usability, Surveys, Software Testing, Survey Creation, User Research, Test Planning, User Experience Design, Software Quality (SQA/SQC), Web Content Accessibility Guidelines
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Security Testing, Penetration Testing, Vulnerability Scanning, Data Security, Application Security, Vulnerability Assessments, Personally Identifiable Information, Data Loss Prevention, Web Applications, Web Servers, SQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, MITRE ATT&CK Framework, Security Testing, Payment Card Industry (PCI) Data Security Standards, NIST 800-53, Network Analysis, General Data Protection Regulation (GDPR), Cloud Computing
★ 4.8 (8) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: API Testing, Application Programming Interface (API), Test Tools, Behavior-Driven Development, Test Automation
★ 4.4 (22) · Beginner · Guided Project · Less Than 2 Hours