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: Business Analytics, Statistical Software, Data-Driven Decision-Making, Analytical Skills
Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Statistical Hypothesis Testing, Sample Size Determination, Probability & Statistics, Probability Distribution, Statistical Methods, Quantitative Research, Statistical Inference, Statistics, Sampling (Statistics), Statistical Analysis, Probability, Scientific Methods, Data Analysis, Research, Psychology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Testing, Test Tools, Development Testing, Test Case, .NET Framework, Test Automation, Integration Testing, Debugging, C# (Programming Language), Mockups, Data Access
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Storyboarding, Wireframing, User Experience Design, UI/UX Research, User Experience, Usability Testing, Information Architecture, Presentations, Web Design, User Research, Design Thinking, Figma (Design Software), Usability, Design Reviews, Persona (User Experience), Web Content Accessibility Guidelines, Mobile Development, Web Presence, Interviewing Skills
★ 4.8 (99K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Infrastructure as Code (IaC), Debugging, Cloud Management, Bash (Scripting Language), Test Automation, Puppet (Configuration Management Tool), Infrastructure As A Service (IaaS), Technical Communication, Web Services, Email Automation, Web Presence, Automation, Python Programming, Interviewing Skills, Configuration Management, Program Development, Programming Principles
★ 4.8 (54K) · Advanced · Professional Certificate · 3 - 6 Months

Skills you'll gain: Extract, Transform, Load, Web Scraping, Database Design, SQL, IBM DB2, Database Management, Data Store, Data Architecture, Relational Databases, Database Systems, Apache Hadoop, Databases, Big Data, Unit Testing, Database Development, Data Storage, Apache Spark, Python Programming, NumPy, Data Analysis
★ 4.6 (60K) · Beginner · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Claude Code, Prompt Engineering, ChatGPT, Retrieval-Augmented Generation, Generative AI Agents, Prompt Patterns, Anthropic Claude, Agentic Workflows, Token Optimization, Multimodal Prompts, Generative AI, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), Software Engineering, Software Development Tools, Software Development, Automation, Software Architecture, Software Testing, Software Design
★ 4.8 (8.9K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Systems Development Life Cycle, Software Development Life Cycle, Linux Commands, Software Architecture, Bash (Scripting Language), Restful API, Shell Script, Git (Version Control System), GitHub, Full-Stack Web Development, Software Design, Flask (Web Framework), Version Control, File Management, Unix Shell, Linux, Application Deployment, Python Programming, NumPy, Data Analysis
★ 4.6 (52K) · Beginner · Specialization · 3 - 6 Months

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

Skills you'll gain: User Experience, UI/UX Research, User Experience Design, User Research, Design Thinking, Usability, User Centered Design, Prototyping, Sprint Retrospectives, Wireframing, Ideation, Sprint Planning
★ 4.8 (76K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Django (Web Framework), Version Control, Restful API, Responsive Web Design, Cascading Style Sheets (CSS), Unix Commands, HTML and CSS, Git (Version Control System), Back-End Web Development, API Testing, GitHub, Relational Databases, Object Oriented Programming (OOP), Database Management Systems, Bootstrap (Front-End Framework), Database Management, Code Reusability, React.js, Python Programming
★ 4.7 (25K) · Beginner · Specialization · 3 - 6 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