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 Planning, Prompt Engineering, Version Control, OpenAI API, Debugging, Google Gemini, Flask (Web Framework), Software Design Patterns, Gemini, GitLab, Responsible AI, Infrastructure as Code (IaC), Collaborative Software, Application Programming Interface (API), Mobile Development, Front-End Web Development, Back-End Web Development, Application Development, GitHub, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.5 (132) · Intermediate · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Software Development Life Cycle, CI/CD, DevOps, Software Development Methodologies, Devops Tools, Continuous Integration, Agile Software Development, Project Management, Software Development, Continuous Deployment, Application Development, Application Deployment, Software Development Tools, Software Testing, Agile Project Management, Waterfall Methodology, Agile Methodology, Kanban Principles, Scrum (Software Development), Automation
★ 4.8 (122) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Record Keeping, Vulnerability Scanning, Security Testing, Data Management, Cloud Management, Threat Management, Cyber Security Assessment, Records Management, Cloud Computing Architecture, Authentications, Firewall, Cyber Attacks, Cybersecurity, Cyber Threat Intelligence, Authorization (Computing), Generative Adversarial Networks (GANs), Active Directory, Data Ethics, AI Security
★ 4.8 (51) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Ethics, Statistical Analysis, Experimentation, Research Design, Statistical Methods, Statistical Programming, Data Science, Data Analysis, R (Software), Predictive Modeling, Statistical Software, Predictive Analytics, Probability & Statistics, General Science and Research, Correlation Analysis
★ 4.1 (62) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Debugging, Scripting, Automation, Web Scraping, Software Testing, Cascading Style Sheets (CSS)
★ 4.7 (32) · Beginner · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Wireless Networks, Network Architecture, Software-Defined Networking, Network Planning And Design, Virtual Networking, Network Security, Service Oriented Architecture, Emerging Technologies, Network Protocols, Telecommunications, Mobile Security, Interoperability, Digital Communications, Authentications, Encryption, Authorization (Computing)
★ 4.6 (118) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Serverless Computing, Identity and Access Management, Google Cloud Platform, Site Reliability Engineering, Cloud Security, Data Integrity, Performance Tuning, Data Security, CI/CD, Data Processing, Debugging, Real Time Data, System Monitoring, Cloud Storage, Pandas (Python Package), Unit Testing, Containerization, File I/O
★ 4 (131) · Intermediate · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Java Programming, Dataflow, Java, Distributed Computing, Programming Principles, Application Frameworks, Algorithms, Performance Tuning, Performance Testing, Functional Design, Graph Theory
★ 4.6 (1.2K) · Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Web Scraping, Git (Version Control System), Test Script Development, Scripting, Version Control, Test Automation, IT Automation, Email Automation, Test Tools, Software Testing, Cloud API, Scripting Languages, Automation, Restful API, Application Programming Interface (API), Data Ethics, Scalability, Python Programming, File I/O, Productivity
★ 3.7 (47) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Scaled Agile Framework, Agile Software Development, Agile Methodology, Behavior-Driven Development, Agile Product Development, Test Driven Development (TDD), Scalability, Agile Project Management, Sprint Planning, Solution Delivery, Virtualization and Virtual Machines, Software Testing, Virtualization, Solution Architecture, Unit Testing
★ 4.5 (491) · Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Institutional Review Board (IRB), Descriptive Statistics, Quantitative Research, Data Literacy, Scientific Methods, Graphing, Research Design, Statistical Visualization, Statistical Hypothesis Testing, Science and Research, Research Methodologies, Probability & Statistics, Research, Statistical Inference, Statistics, Statistical Analysis, Statistical Methods, Ethical Standards And Conduct, Data Analysis, Research and Design
★ 4.8 (291) · Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Design Software, Software Engineering Tools, JUnit, Software Testing, Diagram Design, Data Ethics, Test Automation, Dataflow, Computational Logic
★ 4.7 (159) · Intermediate · Course · 1 - 3 Months