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.

JetBrains
Skills you'll gain: Application Development, Application Deployment, Generative AI Agents, Large Language Modeling, Software Development Tools, LLM Application, AI literacy, IntelliJ IDEA, Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Integrated Development Environments, Agentic systems, Code Review, Software Development, Software Development Life Cycle
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Hypothesis Testing, Statistical Analysis, Probability & Statistics, Statistical Methods, Statistical Programming, Probability Distribution, Data Analysis, Statistical Software, Markov Model, Data Science, Statistical Modeling, Statistical Inference, Probability, Correlation Analysis, R Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Descriptive Statistics, Model Evaluation, Feature Engineering, Probability & Statistics, Supervised Learning, Statistical Hypothesis Testing, Exploratory Data Analysis, Box Plots, Regression Analysis, Statistics, Predictive Modeling, Time Series Analysis and Forecasting, Data Science, Statistical Programming, Histogram, Statistical Analysis, Database Application, Database Software, Integrated Development Environments, Python Programming
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Manufacturing Processes, Materials science, Manufacturing and Production, Process Engineering, Production Process, Machine Controls, Experimentation, Prototyping, Process Development, System Configuration, Laboratory Testing, Analytical Testing
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: New Product Development, Product Development, Product Design, Design Thinking, Persona Development, Innovation, Conceptual Design, Prototyping, Market Research, Design and Product, Ideation, Agile Product Development, Target Market, Target Audience, Customer Analysis, Product Requirements, Wireframing, Market Opportunities, Market Analysis, Customer Insights
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Persona (User Experience), User Interface (UI), Prompt Engineering, Interaction Design, Usability, User Experience Design, Responsible AI, Human Centered Design, Human Computer Interaction, Design Research, User Flows, Usability Testing, Context Management, Multimodal Prompts, User Research, Prototyping, Technical Communication, User Requirements Documents, Data Ethics, Natural Language Processing
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Data Security, Network Security, Cyber Attacks, Security Testing, Digital Forensics, Infrastructure Security, Identity and Access Management, Cloud Security, Security Controls, Computer Security Awareness Training, Security Awareness, Threat Detection, Threat Management, Cyber Security Assessment, Test Tools, Firewall, OSI Models, Authentications, Encryption, Cloud Computing
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Go (Programming Language), Data Structures, Object Oriented Design, Object Oriented Programming (OOP), Computer Programming, Unit Testing, Algorithms, C (Programming Language), Software Testing, Computer Science, Code Reusability, Graph Theory, Software Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Market Research, Business Research, Market Analysis, Marketing, Research Methodologies, Research, Demand Planning, Research Design, Consumer Behaviour, Market Trend, Customer Analysis, Forecasting, Analysis, Product Testing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Content Performance Analysis, Dashboard, Conversion Funnel Analysis, Surveys, Content Scheduling, Newsletters, Search Engine Optimization, Marketing Budgets, Email Automation, Data-Driven Marketing, Marketing Analytics, Marketing Automation, Web Analytics, Email Marketing, Content Marketing, Performance Reporting, Google Analytics, Collaborative Software, Social Media Management, Lead Generation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Authentications, OAuth, API Testing, Restful API, Application Programming Interface (API), JSON, Test Automation, Data Validation, Extensible Markup Language (XML), Test Script Development, Extensible Languages and XML, Virtualization, Debugging
Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Molecular, Cellular, and Microbiology, Molecular Biology, Microbiology, Life Sciences, Infectious Diseases, Biotechnology, Cell Cultures, Cell Biology, Laboratory Testing, Epidemiology, Laboratory Research, Biology, Diagnostic Tests
Intermediate · Course · 1 - 3 Months