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.

Johns Hopkins University
Skills you'll gain: Sampling (Statistics), Bayesian Statistics, Probability & Statistics, Statistical Inference, Statistical Methods, Statistics, Probability, Probability Distribution, Statistical Analysis, Biostatistics, Statistical Hypothesis Testing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), Containerization, Microservices, ASP.NET, Software Architecture, .NET Framework, Microsoft Visual Studio, Cloud-Native Computing, Restful API, C# (Programming Language), Software Development, Software Design Patterns, Scalability, GitHub
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Vibe coding, Generative AI Agents, AI Workflows, Agentic systems, Email Automation, AI Orchestration, Search Engine Optimization, Inside Sales, Web Analytics, Prompt Engineering, Development Environment, Application Deployment, Front-End Web Development, Debugging
Mixed · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Social Media Marketing, Social Media Strategy, Social Media, Marketing Effectiveness, Marketing, Performance Measurement, Business Metrics, Customer Engagement, Business-To-Consumer, Key Performance Indicators (KPIs), Integrated Marketing Communications, Program Management, Marketing Budgets, Law, Regulation, and Compliance, A/B Testing, Information Privacy, Data Security
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Financial Modeling, Risk Management, Corporate Finance, Risk Analysis, Capital Budgeting, Financial Analysis, Financial Forecasting, Investment Management, Return On Investment, Due Diligence, Cash Flows, Communication, Presentations
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MLOps (Machine Learning Operations), Model Evaluation, Version Control, Large Language Modeling, Git (Version Control System), Data Management, Performance Testing, Dashboard, Machine Learning, Scripting, Performance Analysis, Technical Documentation
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Generative AI Agents, Email Automation, Vibe coding, Agentic Workflows, Agentic systems, AI Workflows, AI Orchestration, Sales Process, Marketing Automation, HubSpot CRM, Sales Enablement, Sales Pipelines, Software As A Service, Sales Development, Lead Generation, Business Development, Prompt Engineering, New Business Development, Application Deployment, Campaign Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: AWS Kinesis, Data Engineering, Amazon Redshift, Apache Kafka, Cloud Computing Architecture, Data Lakes, Real Time Data, Amazon Elastic Compute Cloud, Data Management, Apache Hive, Data Visualization Software, Cloud Storage, Amazon S3, Data Integration, Data Architecture, Data Migration, Performance Tuning, Serverless Computing, Database Architecture and Administration, AWS Identity and Access Management (IAM)
Intermediate · Specialization · 3 - 6 Months

IE Business School
Skills you'll gain: Survey Creation, Surveys, Market Research, Business Research, Consumer Behaviour, Marketing Strategies, Research Design, Data Analysis, Research Reports, Market Analysis, Research Methodologies, Experimentation, Customer Analysis, Focus Group, Business Marketing, Decision Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Adobe XD, User Experience Design, Usability Testing, Figma (Design Software), Responsive Web Design, Information Architecture, Wireframing, Prototyping, UI/UX Research, Presentations, Design Reviews, User Interface and User Experience (UI/UX) Design, User Story, Storyboarding, Ideation, Mockups, Software Documentation, Graphic and Visual Design, User Research, User Centered Design
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Site Reliability Engineering, Scalability, Performance Analysis, Data Maintenance, Analytics, Event Monitoring, Service Level Agreement, System Support, Performance Review
Intermediate · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Regression Analysis, Statistical Inference, Statistics, Logistic Regression, R Programming
Mixed · Course · 1 - 3 Months