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: Selenium (Software), Java, File Management, Cascading Style Sheets (CSS), Test Automation, Web Scraping, Data Validation, Web Development Tools, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Data Sharing, Interoperability, Information Architecture, Technical Documentation, Data Management, Data Validation, Document Management
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Spring Framework, Software Architecture, Microservices, Spring Boot, Cloud Applications, Event-Driven Programming, Java Programming, Restful API, Performance Tuning, MongoDB, Web Applications, Scalability, Real Time Data, Resilience, Integration Testing, Performance Management, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Restful API, Test Script Development, Authentications, JSON, Authorization (Computing), Test Case, Data Import/Export, Scenario Testing, Java
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Oracle Databases, Data Import/Export, Identity and Access Management, Google Cloud Platform, Extract, Transform, Load, Query Languages, SQL, Data Migration, Data Architecture, Database Design, Database Architecture and Administration, Data Sharing, Data Modeling, Data Security, Real Time Data
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Serverless Computing, Amazon Web Services, Cloud Computing Architecture, Solution Architecture, Containerization, Data Migration, Cloud Deployment, Data Pipelines, Cloud Solutions, Data Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Cloud Computing Architecture, Cloud Infrastructure, Network Infrastructure, Cloud Platforms, Cloud-Native Computing, Hardware Architecture, Networking Hardware, Virtualization, Risk Management Framework, Interoperability, Software Architecture, Enterprise Architecture, System Configuration
Intermediate · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Threat Modeling, Threat Detection, Open Web Application Security Project (OWASP), Cybersecurity, Cyber Attacks, Application Security, Network Security, Security Testing, Vulnerability Assessments, Security Controls, Secure Coding, SQL
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Health Informatics, Medical Records, Health Information Management, Interoperability, Health Care, Electronic Medical Record System, Clinical Data Management, Internet Of Things, Emerging Technologies, Data Management, Unstructured Data, Data Integration, Data Modeling, Data Transformation, Scalability
Mixed · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Hypertext Markup Language (HTML), Web Development Tools, Semantic Web, Web Development, Web Design, Data Validation, Development Environment, Verification And Validation, Integrated Development Environments, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Microservices, Authentications, OAuth, Application Deployment, Integration Testing, Event-Driven Programming, Data Migration, Application Programming Interface (API), Software Architecture, Software Design Patterns, Scalability, Systems Integration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Large Language Modeling, Deep Learning, Data Preprocessing, Keras (Neural Network Library), Tensorflow, Python Programming, Artificial Intelligence and Machine Learning (AI/ML), Generative Model Architectures, Natural Language Processing
Advanced · Course · 1 - 4 Weeks