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.

Coursera
Skills you'll gain: Timelines, Project Planning, Risk Analysis, Project Schedules, Human Resources Software, Human Resources Management and Planning, Risk Mitigation, Milestones (Project Management), Project Management, Meeting Facilitation, Scheduling, Project Risk Management, Anthropic Claude, ChatGPT, Discussion Facilitation, Payroll Systems, Contingency Planning, Dependency Analysis, Dashboard, Generative AI
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Flask (Web Framework), Application Programming Interface (API), Restful API, Back-End Web Development, Database Management, Bootstrap (Front-End Framework), Object-Relational Mapping, Web Applications, Database Application, Email Automation, UI Components, Database Design, Application Deployment, Authentications, File Management, Data Migration, User Accounts, Data Validation
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, Scalability, Data Pipelines, Data Manipulation, Data Integrity, Data Validation, Data Migration, Transaction Processing, Data Transformation, Scripting, Anomaly Detection, Record Keeping, Sampling (Statistics), Cryptography, Reconciliation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Data Migration, Performance Tuning, Generative AI Agents, Agentic systems, Generative AI, Model Deployment, AI Security, Containerization, Model Optimization, Large Language Modeling, Embeddings, Role-Based Access Control (RBAC), System Monitoring
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Test Driven Development (TDD), C and C++, C++ (Programming Language), Debugging, Maintainability, C (Programming Language), System Programming, Functional Design, Secure Coding, Software Architecture, Cross Platform Development, Memory Management, Interoperability, Performance Tuning, Network Troubleshooting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Visual Studio, Unit Testing, Performance Tuning, Test Driven Development (TDD), Continuous Integration, Git (Version Control System), Cross Platform Development, Debugging, Microsoft Development Tools, CI/CD, Development Testing, Microsoft Azure, Cloud-Based Integration, Integrated Development Environments, Cloud Deployment, GitHub, Visual Basic (Programming Language), C# (Programming Language), ASP.NET, Web Development
Advanced · Course · 3 - 6 Months

Coursera
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Sample Size Determination, Statistical Analysis, Statistical Reporting, Statistics, Data Analysis, Statistical Methods, A/B Testing, Statistical Software, Estimation, Conversion Funnel Analysis, Business Analysis, Probability & Statistics, Stakeholder Communications, Decision Making, Business Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Servers, Data Migration, Enterprise Application Management, Java Platform Enterprise Edition (J2EE), Java, Software Installation, Configuration Management, Command-Line Interface, System Configuration, Authentications
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Health Information Management, Health Information Management and Medical Records, Medical Records, Data Management, Health Informatics, Clinical Data Management, Electronic Medical Record System, Information Management, Health Systems, Data Governance, Health Care, Health Care Procedure and Regulation, Electronic Medical Record, Medical Privacy, Health Technology, Database Management, Data Mining, Interoperability, Authentications, Predictive Modeling
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Logistic Regression, SAS (Software), Predictive Analytics, Predictive Modeling, Advanced Analytics, Feature Engineering, Statistical Software, Model Evaluation, Data Analysis, Statistical Analysis, Regression Analysis, Statistical Modeling, Exploratory Data Analysis, Correlation Analysis, Statistical Methods, Statistical Hypothesis Testing, Probability & Statistics, Data Transformation, Descriptive Statistics, Graphing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Code Review, Object Oriented Design, Maintainability, Software Design Patterns, Software Design, Functional Design, Code Reusability, Continuous Integration, Test Automation, Software Quality (SQA/SQC), Test Driven Development (TDD), Debugging, Software Documentation, Programming Principles, Scalability, Quality Improvement, Python Programming, Continuous Improvement Process, Style Guides, Continuous Monitoring
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Development, Microservices, Scalability, Cloud Deployment, Microsoft SQL Servers, Cloud-Based Integration, Distributed Computing, Microsoft Visual Studio, Application Deployment, Cloud Storage
Intermediate · Course · 1 - 3 Months