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.

Coursera
Skills you'll gain: User Feedback, Usability, Functional Testing, Root Cause Analysis, Product Improvement, Journey Mapping, UI/UX Research, Experience Design, User Experience, Conversion Funnel Analysis, User Interface (UI) Design, Integration Testing, Product Quality (QA/QC), Application Design, Prioritization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Red Hat Enterprise Linux, IT Automation, Infrastructure as Code (IaC), YAML, Linux, Linux Administration, Linux Servers, Scenario Testing, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Serverless Computing, Containerization, Google Cloud Platform, Google App Engine, Cloud Infrastructure, Cloud Solutions, Hybrid Cloud Computing, Cloud Platforms, Cloud Applications, Cloud-Native Computing, Application Programming Interface (API), Cloud Computing, Application Deployment, Computing Platforms, Platform As A Service (PaaS), Multi-Cloud, Cloud Deployment, Data Migration, Leadership and Management, Finance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Probability & Statistics, NumPy, Matplotlib, Statistics, Data Visualization, Applied Machine Learning, Statistical Hypothesis Testing, Python Programming, Pandas (Python Package), Seaborn, Machine Learning, Mathematics and Mathematical Modeling, Model Optimization, Applied Mathematics, Statistical Analysis, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Data Science, Programming Principles, Probability
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Web Frameworks, Authentications, Application Frameworks, Web Applications, Web Development, Maintainability, Unit Testing, Authorization (Computing), Development Testing, Functional Testing, Application Security, Configuration Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: C# (Programming Language), Event-Driven Programming, .NET Framework, Application Deployment, Development Testing, Debugging, Software Testing, Application Development, ASP.NET, Microsoft Visual Studio, File I/O, User Interface (UI), Postman API Platform, UI Components, Application Frameworks, Application Programming Interface (API), API Testing, Application Design, AI Integrations, User Interface and User Experience (UI/UX) Design
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Precision Medicine, Clinical Trials, Data-Driven Decision-Making, Analysis, Business Analytics, Data Science, Strategic Decision-Making, Decision Making, Regression Analysis, Health Policy, Random Forest Algorithm, Estimation, Treatment Planning, Applied Machine Learning, A/B Testing, Machine Learning, Online Advertising
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Test Script Development, Software Testing, Javascript, Browser Compatibility, Scripting, Automation, Web Development Tools, Cascading Style Sheets (CSS), File Management, Software Installation, System Configuration
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Exploitation techniques, Vulnerability Scanning, Cyber Security Assessment, Active Directory, Security Testing, Web Applications, Microsoft Windows, Bash (Scripting Language), Apache Tomcat, Scripting, Microsoft SQL Servers
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Metasploit, Penetration Testing, Exploit development, Exploitation techniques, Threat Modeling, Cyber Security Assessment, Cybersecurity, Operating System Administration, Operating Systems, Hardening, Computer Security, Malware Protection, Vulnerability Assessments, Security Controls, Authorization (Computing), Identity and Access Management, Memory Management, Data Persistence, Computer Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cyber Security Assessment, Security Testing, Incident Response, Cyber Attacks, Firewall, Computer Security Incident Management, Cyber Security Strategy, Vulnerability Scanning, Computer Security, Cyber Threat Intelligence, Information Systems Security, Network Protocols, Exploitation techniques, Brute-force attacks, Email Security, Vulnerability Assessments, Malware Protection, Virtualization and Virtual Machines, Software Installation
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Program Development, Development Testing, Software Development Tools, Security Testing, File Systems, File Management
Beginner · Course · 1 - 3 Months