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: Azure Synapse Analytics, Microsoft Azure, Microsoft SQL Servers, SQL, Database Management, Databases, Data Integration, Managed Services, Data Migration, Cloud Services
Intermediate · Guided Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: Network Security, Cyber Attacks, Security Testing, Digital Forensics, Infrastructure Security, Identity and Access Management, Cloud Security, Security Awareness, Threat Detection, Test Tools, Firewall, OSI Models, Single Sign-On (SSO), Computer Networking, Data Encryption Standard, Cloud Computing, Public Key Infrastructure
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Respiration, Respiratory Care, Pulmonology, Pulmonary Function Testing, Physiology, Anatomy, Immunology, Diagnostic Tests, Patient Treatment, Medical Terminology, Radiography
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Data Manipulation, Python Programming, Probability & Statistics, Applied Machine Learning, Pandas (Python Package), Data Science, Statistical Analysis, NumPy, Machine Learning, Probability Distribution
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Jest (JavaScript Testing Framework), Application Deployment, Unit Testing, JavaScript Frameworks, Data Structures, Back-End Web Development, Restful API, Application Programming Interface (API), Development Environment, Javascript, Front-End Web Development
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Rust (Programming Language), System Programming, Package and Software Management, Data Structures, Software Installation, Programming Principles, Secure Coding, Maintainability, Debugging, Software Design Patterns, Integrated Development Environments, Data Sharing, Data Management, Command-Line Interface, Capacity Management
Beginner · Specialization · 3 - 6 Months

O.P. Jindal Global University
Skills you'll gain: Sampling (Statistics), Statistical Analysis, Probability Distribution, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Correlation Analysis, Regression Analysis, R (Software), R Programming, Statistical Modeling, Statistical Inference, Probability, Big Data, Decision Tree Learning
Build toward a degree
Mixed · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Data Integration, SQL Server Integration Services (SSIS), Data Cleansing, Data Pipelines, Data Quality, Data Migration, Database Management, Data Transformation, File Management, Data Manipulation, Data Processing, Metadata Management, JSON, Extensible Markup Language (XML), Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Apache Airflow, Cloud Storage, Data Migration, Google Cloud Platform, Data Pipelines, Configuration Management
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Linux Commands, Command-Line Interface, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Role-Based Access Control (RBAC), Postman API Platform, Authentications, API Testing, Authorization (Computing), Restful API, Secure Coding, Java Programming, Application Design, Spring Boot, User Accounts, API Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Data Validation, Business Logic, Programming Principles, Verification And Validation
Intermediate · Course · 1 - 4 Weeks