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: Feature Engineering, Extract, Transform, Load, Data Pipelines, Data Transformation, Model Evaluation, Pandas (Python Package), Data Storytelling, Data Presentation, Data Preprocessing, Data Processing, PySpark, Data Quality, Apache Spark, Data-Driven Decision-Making, A/B Testing, Data Analysis, Model Training, Data Visualization, Data Governance, Machine Learning
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: A/B Testing, Key Performance Indicators (KPIs), Data-Driven Marketing, Dashboard Creation, Email Marketing, Business Metrics, Performance Metric, Performance Measurement, Dashboard, Performance Reporting, Marketing Analytics, Business Reporting, Report Writing, Content Performance Analysis, Web Analytics, Campaign Management, Google Sheets, Microsoft Excel, Data Visualization, Stakeholder Analysis
Intermediate · Course · 3 - 6 Months

Skills you'll gain: NoSQL, Data Migration, Operational Databases, Database Design, Database Architecture and Administration, Database Management, Data Store, Google Cloud Platform, Data Access, Performance Tuning, Scalability, Serverless Computing, Cloud Security, IT Automation, Capacity Management, Disaster Recovery, Security Controls, Data Security
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Data Storytelling, Data Presentation, Analytical Skills, Data Analysis, Business Research, Data Literacy, Analysis, Critical Thinking, Data Strategy, Data-Driven Decision-Making, Presentations, Problem Solving, Persuasive Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: International Financial Reporting Standards, Insurance, Insurance Policies, Contract Accounting, Business Valuation, Financial Reporting, Technical Accounting, Mergers & Acquisitions, Specialized Accounting, Financial Accounting, Risk Management, Derivatives
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, Middleware, .NET Framework, C# (Programming Language), Model View Controller, Web Development, Restful API, Web Applications, Object-Relational Mapping, Microsoft SQL Servers, Data Access, Data Validation, Data Migration
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Application Deployment, No-Code Development, Cloud Deployment, Power Platform Architecture & Technical Design, Cryptographic Protocols, Cloud Security, Data Security, Data Integrity, Configuration Management, Risk Mitigation, Production Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, AI Security, Secure Coding, Responsible AI, Prompt Patterns, Data Ethics, Prompt Engineering Tools, LLM Application, Vibe coding, ChatGPT, Large Language Modeling, Code Review, AI Integrations, Integration Testing, Generative Model Architectures, Legal Technology, Debugging, Computer Programming, Programming Principles, Quality Improvement
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Vector Databases, Embeddings, Semantic Web, Flask (Web Framework), API Testing, Model Deployment, Application Programming Interface (API), Python Programming, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Management, Security Information and Event Management (SIEM), Penetration Testing, Vulnerability Assessments, Cybersecurity, Intelligence Collection and Analysis, Vulnerability Scanning, Cyber Attacks, Network Security, Information Systems Security, Computer Security, Analysis, Network Analysis, Auditing, Data Analysis, Linux Commands, Data Collection, Correlation Analysis, Bash (Scripting Language), Windows PowerShell
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Overcoming Objections, A/B Testing, Copywriting, Persuasive Communication, B2B Sales, Email Marketing, Sales Strategy, Business Writing, Sales, Communication, Selling Techniques, Data-Driven Decision-Making, Prompt Engineering, Responsible AI, Data Ethics, Performance Analysis, Business Metrics, Community Outreach, Digital Communications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Docker (Software), Microservices, Version Control, Git (Version Control System), Development Environment, Application Deployment, Software Architecture, Application Programming Interface (API), Virtual Networking, Nginx, Frontend Integration, System Configuration, Computer Networking, Data Persistence
Beginner · Course · 1 - 4 Weeks