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.

Scrimba
Skills you'll gain: Prompt Engineering, Prompt Patterns, Responsible AI, AI Integrations, OpenAI API, OpenAI, Generative AI, API Testing, Data Ethics, AI Security, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Application Programming Interface (API), Fine-tuning, Computer Programming, Key Management
★ 4.5 (161) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Ethics, Generative AI Agents, Generative AI, Software Design Documents, Software Design, AI Integrations, Software Architecture, Agentic Workflows, Continuous Integration, Software Development, Prompt Patterns, LLM Application, Application Security, Software Engineering, Code Review, Debugging, DevSecOps
★ 4.5 (262) · Intermediate · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Safety Standards, Safety Training, Safety Assurance, Robotics, Hazard Analysis, Equipment Design, Risk Control, Human Factors, Product Testing, Failure Analysis, Automation, Manufacturing and Production
★ 4.7 (260) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Debugging, Code Reusability, Algorithms, Microsoft Visual Studio, Problem Solving, Computer Programming Tools, Computational Logic, Python Programming, Software Development, Data Analysis, Scripting Languages
★ 4 (76) · Beginner · Course · 1 - 4 Weeks
Universidad Austral
Skills you'll gain: Server Side, Node.JS, Back-End Web Development, Restful API, Web Development, MongoDB, Application Deployment, OAuth, Web Servers, Application Programming Interface (API), API Design, Web Applications, Cloud Deployment, Authentications, Object-Relational Mapping, NoSQL, Data Persistence, Software Testing, Routing Protocols
★ 4.1 (115) · Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Statistical Process Controls, Process Control, Quality Assurance, Semiconductors, Process Validation, Production Process, Verification And Validation, Manufacturing Operations, Manufacturing Processes, Manufacturing and Production, Manufacturing Standards, Process Improvement, Process Analysis, Product Testing, Process Flow Diagrams, Electronics Engineering, Electronics, Reliability, Performance Testing
★ 4.7 (75) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Model Based Systems Engineering, Systems Engineering, Requirements Analysis, Test Engineering, Systems Thinking, Systems Architecture, Test Planning, Systems Design, Aerospace Basic Quality System Standards, Systems Analysis, Functional Requirement, Systems Development, Risk Management Framework, System Testing, System Requirements, Verification And Validation, Failure Analysis
★ 4.8 (99) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, User Experience Design, Vulnerability Assessments, Database Theory, Unified Modeling Language, Unit Testing, Usability, UI/UX Research, Threat Modeling, User Interface and User Experience (UI/UX) Design, Usability Testing, Vulnerability Management, Data Flow Diagrams (DFDs), Relational Databases, Software Visualization, Security Software, Systems Development Life Cycle, Software Development Life Cycle
★ 4.6 (438) · Beginner · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Vocabulary, Oral Comprehension, Language Competency, Grammar, Language Learning
★ 4.8 (653) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Scalability, Distributed Computing, Shell Script, Computer Systems, Big Data, Linux Commands, Hardware Architecture, Operating Systems, Unix Shell, File Systems, Computing Platforms, Linux, Performance Testing, Scripting, Performance Tuning, Memory Management, Computer Architecture, Capacity Management, File Management
★ 3.8 (168) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Biostatistics, Regression Analysis, Logistic Regression, Statistical Methods, Public Health, Statistical Analysis, Statistical Inference, Statistical Modeling, Predictive Modeling, Quantitative Research, Data Analysis, Statistical Hypothesis Testing, Model Evaluation
★ 4.8 (331) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Model Evaluation, Supervised Learning, Generative Model Architectures, AWS SageMaker, Recurrent Neural Networks (RNNs), Unsupervised Learning, Data Preprocessing, Large Language Modeling, Time Series Analysis and Forecasting, LLM Application, Applied Machine Learning, Model Optimization, Deep Learning, A/B Testing, Python Programming, Machine Learning, Data Analysis, AWS CloudFormation, AI Personalization
★ 3.9 (41) · Intermediate · Specialization · 3 - 6 Months