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.

LearnKartS
Skills you'll gain: Serverless Computing, Containerization, Amazon Web Services, Data Migration, Amazon DynamoDB, Docker (Software), Databases, Cloud Engineering, Kubernetes, AWS Identity and Access Management (IAM), Operational Databases, Amazon Elastic Compute Cloud, Database Management, Performance Tuning, Amazon S3, Cloud Security, Data Security, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Maven, Java Platform Enterprise Edition (J2EE), Hibernate (Java), Unit Testing, Software Testing, Web Services, Object-Relational Mapping, Software Design Patterns, Docker (Software), MySQL
Intermediate · Course · 1 - 3 Months

Universitat de Barcelona
Skills you'll gain: Precision Medicine, Oncology, Pathology, Molecular Biology, Diagnostic Tests, Pharmacology, Clinical Trials, Immunology, Clinical Practices, Laboratory Testing, Patient Treatment
Intermediate · Course · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Hydrology, Water Quality, Water Resources, Environmental Monitoring, Research Reports, Environment and Resource Management, Natural Resource Management, Geographic Information Systems, Environmental Science, Laboratory Testing, Geospatial Information and Technology, Technical Documentation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Integration Testing, Command-Line Interface, Application Deployment
Intermediate · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Generative AI Agents, Large Language Modeling, Software Development Tools, IntelliJ IDEA, LLM Application, Artificial Intelligence, Agentic systems, Artificial Intelligence and Machine Learning (AI/ML), Responsible AI, Software Development, Code Review, Integrated Development Environments, Generative AI, Computer Programming, Software Development Life Cycle
Beginner · Course · 1 - 3 Months

Skills you'll gain: Collaborative Software, Application Programming Interface (API), Restful API, Software Development Tools, Software Documentation, Mockups, Test Tools, Software Versioning, Version Control
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Network Performance Management, Network Monitoring, Performance Tuning, Google Cloud Platform, Performance Testing, Network Analysis, Hardware Architecture, Intranet
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Data Storage, Video Editing, Organizational Skills, Workflow Management, File Management, Cloud Storage, Data Management, Productivity Software, Project Management
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Import/Export, Data Migration, Serverless Computing, File Management, Cloud Computing, Cloud Storage, Google Cloud Platform, Database Development
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Debugging, Integrated Development Environments, Web Applications, Development Environment, Django (Web Framework), Web Development, Development Testing, Program Development, Software Development Methodologies, Virtual Environment, Scripting, Software Installation, Python Programming
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Load Balancing, Firewall, Performance Testing, Web Servers, Virtual Machines, Cloud Infrastructure, Google Cloud Platform, Security Controls
Intermediate · Project · Less Than 2 Hours