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.

University of California San Diego
Skills you'll gain: Algorithms, Debugging, Theoretical Computer Science, Computational Thinking, Program Development, Software Testing, Computer Programming, Analysis, Solution Design, Design Strategies, Data Processing, Model Optimization, Bioinformatics, Scalability
★ 4.6 (13K) · Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Prompt Engineering, ChatGPT, Prompt Patterns, Retrieval-Augmented Generation, AI powered creativity, Generative AI Agents, Ideation, Verification And Validation, Generative AI, LLM Application, AI literacy, OpenAI, OpenAI API, Expense Management, AI Personalization, Responsible AI, AI Enablement, Risking, Artificial Intelligence, Expense Reports
★ 4.8 (9.4K) · Beginner · Specialization · 1 - 3 Months

Multiple educators
Skills you'll gain: Email Security, Digital Forensics, Network Security, Cloud Infrastructure, Incident Response, Incident Management, Cloud Platforms, Business Continuity Planning, Penetration Testing, Computer Security Incident Management, Business Continuity, Security Controls, System Configuration, Generative AI, Data Storage, Peripheral Devices, Cybersecurity, Application Security, Information Technology, Cryptography
★ 4.7 (16K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Dashboard, Data Warehousing, Extract, Transform, Load, Data Storytelling, SQL, Data Visualization, Dashboard Creation, Database Design, Data Security, Data Migration, Data Governance, Data Presentation, Descriptive Statistics, Data Store, Data Management, Relational Databases, Databases, Data Architecture, Excel Formulas, Business Intelligence
★ 4.7 (19K) · Beginner · Professional Certificate · 3 - 6 Months
Skills you'll gain: UI/UX Research, Usability Testing, Presentations, User Experience Design, User Experience, Usability, User Research, Design Research, Data Ethics, User Interface and User Experience (UI/UX) Design, Research Design, Prototyping, Research Methodologies, Information Privacy
★ 4.8 (6.1K) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Prompt Engineering, ChatGPT, Prompt Patterns, AI powered creativity, Ideation, Verification And Validation, Succession Planning, LLM Application, AI literacy, Business Writing, Responsible AI, Generative AI, AI Enablement, Leadership, Business Correspondence, Meeting Facilitation, Leadership and Management, Creativity, Problem Solving, Risk Management
★ 4.8 (9.4K) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: User Research, Cascading Style Sheets (CSS), JSON, Hypertext Markup Language (HTML), User Experience Design, Design Research, Linux Commands, Javascript, Unix, Usability, User Centered Design, Debugging, Software Visualization, Web Content Accessibility Guidelines, Pseudocode, User Interface and User Experience (UI/UX) Design, UI Components, Mobile Development Tools, JavaScript Frameworks, Code Reusability
★ 4.7 (24K) · Beginner · Professional Certificate · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Infrastructure, Application Deployment, Prompt Engineering, Kubernetes, Prompt Engineering Tools, Containerization, Database Architecture and Administration, MySQL, Dataflow, PostgreSQL, Identity and Access Management, Data Migration, Cloud Management, Cloud Security, Cloud Applications, Operational Databases, Data Maintenance, Database Design, Database Management
★ 4.7 (49K) · Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Bash (Scripting Language), Test Automation, Unit Testing, Development Testing, Test Script Development, Scripting, Unix Shell, Software Testing, Shell Script, File I/O, Linux Commands, Test Driven Development (TDD), Unix Commands, Scripting Languages, Development Environment, Operating Systems, Linux, Command-Line Interface, File Management, OS Process Management
★ 4.7 (6.7K) · Beginner · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Exploratory Data Analysis, Model Evaluation, R (Software), Regression Analysis, Leaflet (Software), Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Data Wrangling, Data Visualization, Machine Learning, GitHub
★ 4.5 (51K) · Beginner · Specialization · 3 - 6 Months

Meta
Skills you'll gain: React Native, iOS Development, Core Data (Software), Restful API, Version Control, User Research, UI/UX Research, Usability Testing, Apple iOS, Jest (JavaScript Testing Framework), Data Structures, Swift Programming, User Interface (UI), Unix Commands, Apple Xcode, Git (Version Control System), Persona (User Experience), GitHub, Mobile Development, Javascript
★ 4.6 (8.8K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: MySQL, Database Software, Database Management, Database Theory, Data Warehousing, Interactive Data Visualization, Dashboard, Database Administration, Data Visualization Software, Star Schema, Dashboard Creation, Linux Commands, Unix, Data Integrity, Unit Testing, Algorithms, Analytics, Database Architecture and Administration, Software Versioning, Command-Line Interface
★ 4.6 (7.8K) · Beginner · Professional Certificate · 3 - 6 Months