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: COBOL (Programming Language), CI/CD, File I/O, Debugging, Continuous Integration, Software Development, Mainframe Computing, Continuous Deployment, Development Environment, Program Development, Mainframe Technologies, Integrated Development Environments, Programming Principles, File Management, Computer Programming, Computational Logic, Computer Programming Tools
★ 4.6 (192) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Cyber Security Policies, Security Engineering, Information Systems Security, Human Factors (Security), Computer Security, Network Security, Cybersecurity, Security Awareness, Vulnerability, Threat Modeling, Policy Analysis, Political Sciences, Security Controls, Vulnerability Assessments, Public Policies, Safety and Security, Human Factors, Cryptography, Usability, Software Testing
★ 4.8 (171) · Beginner · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Pre-Clinical Development, Analytical Testing, Laboratory Testing, Hazard Analysis, Environmental Regulations, Pharmacology, Biochemistry, Cell Cultures, Environmental Science, Biochemical Assays, Medical Science and Research, Laboratory Research, Molecular, Cellular, and Microbiology, Biostatistics, Bioinformatics, Endocrinology, Molecular Biology, Network Analysis, Data Mining
★ 4.6 (90) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Model Evaluation, Supervised Learning, Generative Model Architectures, AWS SageMaker, Recurrent Neural Networks (RNNs), Unsupervised Learning, Data Preprocessing, Large Language Modeling, Time Series Analysis and Forecasting, LLM Application, Applied Machine Learning, Model Optimization, Deep Learning, A/B Testing, Python Programming, Machine Learning, Data Analysis, AWS CloudFormation, AI Personalization
★ 4.1 (37) · Intermediate · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Blood Collection, Specimen Collection, Specimen Processing, Specimen Preparation, Laboratory Testing, Cell Cultures, Biochemical Assays, Cell Biology, Analytical Testing, Laboratory Research, Molecular, Cellular, and Microbiology, Molecular Biology, Biology
★ 4.7 (355) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Spring Boot, Application Development, API Testing, Java Programming, Web Development, Program Development, Application Frameworks, Software Testing, Test Case, Secure Coding, Development Environment, Model View Controller, Software Development Tools, UI Components, Data Access, Authentications, SQL, Object Oriented Programming (OOP), Data Persistence, User Interface (UI)
★ 4.7 (18) · Intermediate · Specialization · 1 - 3 Months

University of Minnesota
Skills you'll gain: Design Thinking, Process Mapping, Kanban Principles, Kaizen Methodology, Process Analysis, Lean Methodologies, Lean Manufacturing, Agile Software Development, Business Workflow Analysis, Product Development, Agile Methodology, Lean Six Sigma, Process Improvement, Software Development, Scrum (Software Development), Software Development Methodologies, Continuous Improvement Process, Product Testing, Waste Minimization
★ 4.6 (433) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Core Data (Software), iOS Development, Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, Code Review, UI Components, Object Oriented Design, Object Oriented Programming (OOP), Unit Testing, Data Structures, Data Persistence, User Interface (UI), User Interface (UI) Design, Data Store, Application Development, Transaction Processing, Mobile Development
★ 4.4 (912) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Kotlin, Android Studio, Android Development, Unit Testing, Object Oriented Programming (OOP), Test Driven Development (TDD), Development Testing, Software Testing, Mobile Development, Application Development, Functional Design, Programming Principles
★ 4.6 (128) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Penetration Testing, Vulnerability Scanning, Security Testing, Cyber Security Assessment, Cybersecurity, Network Security, Cyber Attacks, Cryptography, Kubernetes, Application Security, Cloud Infrastructure, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Threat Hunting, Cyber Operations, Security Controls, Security Awareness, Cyber Risk, Security Strategy
★ 4.6 (292) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Linux Administration, Bash (Scripting Language), Network Monitoring, Cyber Security Assessment, System Configuration, Digital Forensics
★ 4.8 (58) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Excel Macros, Forecasting, Microsoft Copilot, Dashboard Creation, Microsoft Excel, Predictive Modeling, Workflow Management, UI Components, Visual Basic (Programming Language), User Interface (UI), Automation, Debugging, Interactive Data Visualization, Scenario Testing, Programming Principles
★ 4.5 (64) · Beginner · Course · 1 - 4 Weeks