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: AI Product Strategy, Product Lifecycle Management, Quality Assurance and Control, Product Quality (QA/QC), Product Management, Release Management, Sales Strategy, New Product Development, Performance Analysis, Responsible AI, Product Improvement, Product Marketing, Generative AI, Key Performance Indicators (KPIs), User Feedback, Risk Management, Data-Driven Decision-Making, Cross-Functional Collaboration
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Secure Coding, Computer Programming Tools, C and C++, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Software Development Tools, Exploit development, Debugging, Interoperability, Unix, Embedded Systems, Vulnerability Assessments, Unix Commands, File I/O, Operating Systems, Data Security, Linux, Microsoft Windows
Intermediate · Specialization · 3 - 6 Months

Saïd Business School, University of Oxford
Skills you'll gain: FinTech, Financial Inclusion, Financial Services, Mobile Banking, Banking Services, Data Sharing, Financial Regulation, Application Programming Interface (API), Financial Data, Banking, Payment Systems, International Finance, Retail Banking, API Design, Finance, Interoperability, Open Source Technology, Strategic Thinking, Data Access, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Test Script Development, Web Development, Software Quality Assurance, Continuous Integration, Java, Test Execution Engine, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: API Testing, Software Documentation, API Design, Application Programming Interface (API), Test Tools, Technical Documentation, Restful API, JSON, YAML, Software Design
Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Incident Response, Threat Modeling, Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Threat Detection, Risk Management, Cybersecurity, Computer Security Incident Management, Secure Coding, Cyber Security Assessment, Incident Management, Security Testing, Cyber Governance, Intrusion Detection and Prevention, Risk Management Framework, Cyber Threat Intelligence, Network Infrastructure, Network Security, Security Information and Event Management (SIEM)
Intermediate · Specialization · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, File I/O, Java Programming, Object Oriented Programming (OOP), Java, Unit Testing, Program Development, Maintainability, Software Development, Secure Coding, Software Testing, Programming Principles, Computer Programming, Test Case, Application Development, Authentications, Application Security, Application Design, Software Design Patterns, Debugging
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: OpenAI API, Large Language Modeling, Generative AI, ChatGPT, Prompt Engineering, File Management, Application Programming Interface (API), Embeddings, Classification Algorithms, Application Development, Transfer Learning, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Metadata Management, Data Manipulation, Data Integration, Extract, Transform, Load, Database Management Systems, Data Transformation, Data Access, Context Management, Data Migration, Data Pipelines, Dataflow, Data Validation, Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Process Mapping, Six Sigma Methodology, Lean Six Sigma, Organizational Change, Lean Methodologies, Statistical Hypothesis Testing, Organizational Leadership, Quality Management, Process Improvement, Correlation Analysis, Project Scoping, Data-Driven Decision-Making, Root Cause Analysis, Statistical Analysis, Continuous Improvement Process, Sampling (Statistics), Statistical Methods, Process Analysis, Project Management, Data Literacy
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Android Studio, Android Development, Android (Operating System), Mobile Development, Application Development, User Interface (UI), User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, Interaction Design, Usability, Development Environment, Development Testing, Debugging
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), R (Software), Statistical Inference, Probability Distribution, R Programming, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Data Science, Statistics, Data Analysis, Statistical Analysis, Probability, Data Manipulation, Histogram
Build toward a degree
Beginner · Course · 1 - 3 Months