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.

Indian School of Business
Skills you'll gain: Peer Review, Data Collection, Financial Trading, Portfolio Management, Securities Trading, Business Planning, Financial Market, Market Data, Market Analysis, Technical Analysis, Investment Management, Performance Measurement, Financial Analysis, Performance Analysis, Statistical Hypothesis Testing
★ 4.4 (106) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Database Theory, Cloud Services, Relational Databases, Databases, Data Store, Cloud Storage, Analytics, Data Storage, NoSQL, Data Warehousing, SQL
★ 4.7 (145) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Generative AI Agents, Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, Microsoft Azure, LLM Application, Artificial Intelligence, AI Integrations, Model Deployment, Prompt Engineering, Application Deployment, Program Development, GitHub, Development Environment, Software Development, Natural Language Processing, Technical Documentation
★ 3.6 (18) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Security, Data Migration, Data Governance, Extract, Transform, Load, Cloud Storage, Data Architecture, Data Management, Data Integration, Data Storage, Enterprise Architecture, Data Quality, Data Modeling, Incident Response, Security Controls, Information Privacy, Data Infrastructure, Computer Security Incident Management, Data Storage Technologies, Security Strategy, Database Architecture and Administration
★ 4.5 (85) · Advanced · Specialization · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Product Engineering, Process Engineering, Experimentation, Engineering, Materials science, Environment, Systems Of Measurement, Microarchitecture, Laboratory Experience, Thermal Management, Analytical Testing, Laboratory Research, Biochemistry, Chemistry, Innovation, Scientific Methods
★ 4.6 (85) · Mixed · Course · 1 - 4 Weeks

Siemens
Skills you'll gain: Safety Standards, Robotics, Mechanical Design, Automation, Control Systems, Program Development, Manufacturing and Production, Performance Testing, Human Machine Interfaces, Programming Principles, Human Factors, Risk Management Framework
★ 4.7 (23) · Beginner · Course · 1 - 4 Weeks

University of Lausanne
Skills you'll gain: Laboratory Testing, Medical Laboratory, Legal Proceedings, Biochemistry, Analytical Testing, Analytical Chemistry, Pharmacology, Substance Abuse, Law, Regulation, and Compliance, Arbitration, Psychosocial Assessments, Culture, Social Sciences, Criminal Investigation and Forensics, Regulatory Compliance, Sociology, Ethical Standards And Conduct, Psychology
★ 4.7 (162) · Mixed · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Technical Standard, General Data Protection Regulation (GDPR), Personally Identifiable Information, Information Privacy, Case Law, Medical Privacy, Court Systems, Telecommunications, Legal Writing, Law, Regulation, and Compliance, Legal Research, Legal Strategy, Ethical Standards And Conduct, Data Ethics, Health Insurance Portability And Accountability Act (HIPAA) Compliance, European History, International Relations, Interoperability, Data Security, Emerging Technologies
★ 4.4 (384) · Intermediate · Specialization · 3 - 6 Months
Xi'an Jiaotong University
Skills you'll gain: Microsoft SQL Servers, ASP.NET, File I/O, SQL, C# (Programming Language), Object Oriented Programming (OOP), Relational Databases, .NET Framework, Database Software, Operating Systems, Hypertext Markup Language (HTML), Database Design, Database Management, Object Oriented Design, System Testing, Database Systems, Computer Systems, Debugging, User Interface (UI) Design, Programming Principles
★ 4.4 (112) · Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Spring Framework, Spring Boot, Application Development, Redis, Java Programming, Frontend Integration, Object-Relational Mapping, Web Development, Database Development, Integrated Development Environments, Authentications, Application Security, Build Tools, Performance Tuning, Unit Testing, Authorization (Computing), Command-Line Interface, Data Access, Event Monitoring, Software Configuration Management
★ 4.5 (44) · Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Security Strategy, Vulnerability Scanning, Security Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Exploitation techniques, Java, Security Controls, Java Programming, Patch Management, Dependency Analysis, Docker (Software)
★ 4.4 (67) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: UI/UX Research, Responsible AI, Persona (User Experience), Experience Design, Miro AI, Design Software, Human Centered Design, AI Workflows, AI Integrations, Ideation, Brainstorming
★ 4.5 (46) · Intermediate · Course · 1 - 4 Weeks