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.

Microsoft
Skills you'll gain: Responsive Web Design, Git (Version Control System), Web Development, Cascading Style Sheets (CSS), Data Persistence, React.js, Version Control, Performance Tuning, Full-Stack Web Development, GitHub, Event-Driven Programming, HTML and CSS, Application Design, Development Testing, Video Game Development, Software Design Documents, Game Design, Program Development, Software Testing, Javascript
★ 4.2 (19) · Beginner · Professional Certificate · 3 - 6 Months

MongoDB Inc.
Skills you'll gain: Data Transformation, MongoDB, Data Manipulation, Data Processing, Data Integration, NoSQL, Data Migration, Data Analysis, Query Languages, Data Preprocessing, Data Pipelines, Unstructured Data, Network Analysis
★ 4.4 (66) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), Statistical Hypothesis Testing, Data-Driven Decision-Making, Descriptive Statistics, Correlation Analysis, Data Literacy, Data Analysis, Plot (Graphics), Probability Distribution, Statistics, Statistical Visualization, Statistical Analysis, Estimation, Data Collection, Data Visualization, Risk Analysis, Statistical Software, Statistical Programming, Statistical Methods, Problem Solving
★ 4.6 (45) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Windows, Authentications, Operating System Administration, Azure Active Directory, Microsoft Intune (Mobile Device Management Software), Identity and Access Management, System Configuration, User Provisioning, Active Directory, Remote Access Systems, Software Installation, Role-Based Access Control (RBAC), Automation, Data Migration
★ 4.7 (14) · Intermediate · Course · 1 - 4 Weeks
Rutgers the State University of New Jersey
Skills you'll gain: Production Process, Manufacturing Processes, Manufacturing Operations, Product Testing, Regulatory Compliance, Clinical Research, Regulatory Affairs, Personal Care, Product Development, Good Manufacturing Practices, Laboratory Testing, Regulatory Requirements, Materials science, Workforce Development, Compliance Management, New Product Development, Clinical Trials, Quality Control, Product Planning, Product Management
★ 4.5 (6) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: AI Security, Penetration Testing, Exploit development, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Security Testing, Cyber Security Assessment, Cyber Operations, Computer Security, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Cryptographic Protocols, Network Protocols, Cryptography, Security Awareness, Generative AI Agents, Server Side, Web Applications, Machine Learning Algorithms
★ 4.6 (19) · Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: GitHub Copilot, Microsoft Visual Studio, GitHub, Microsoft Development Tools, Code Review, Program Development, Software Documentation, Maintainability, AI Integrations, Web Development Tools, Technical Documentation, Development Testing, Test Case, Debugging
★ 4.4 (34) · Beginner · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Tax, Tax Laws, Law, Regulation, and Compliance, Cloud Services, Tax Compliance, Cloud Computing, Regulation and Legal Compliance, Cloud Storage, Corporate Tax, Income Tax, General Data Protection Regulation (GDPR), Data Access, Data Sharing, Digital Forensics, Interoperability, Competitive Analysis, Market Analysis, Market Dynamics
★ 4.8 (43) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Web Development Tools, Development Environment, Frontend Integration, Software Development Tools, Program Development, Integrated Development Environments, Application Deployment, Transaction Processing, Application Design, Front-End Web Development, Event-Driven Programming, Development Testing, Javascript, Network Architecture
★ 5 (50) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Test Case, JavaScript Frameworks, Unit Testing, Code Reusability, Test Script Development, Test Tools, UI Components, Functional Design, Software Testing, Development Testing, Event-Driven Programming, Context Management, Data Sharing
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Dataflow, Data Pipelines, Data Lakes, Data Governance, Data Store, Model Deployment, Cloud Engineering, Apache Kafka, Tensorflow, MLOps (Machine Learning Operations), Data Infrastructure, Data Storage Technologies, Data Migration, Apache Spark, Data Architecture, Unstructured Data, Real Time Data, Data Processing, Data Warehousing
★ 4.4 (90) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Automation, Cascading Style Sheets (CSS)
★ 4.6 (8) · Intermediate · Course · 3 - 6 Months