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.

EDUCBA
Skills you'll gain: Technical Drawing, Engineering Drawings, Mechanical Drawings, Computer Aided Three-Dimensional Interactive Application (CATIA), Assembly Drawing, 3D Modeling, Mechanical Design, Drafting and Engineering Design, Computer-Aided Design, Visualization (Computer Graphics), Design Software, File Management, Engineering Design Process, Interoperability, User Interface (UI)
★ 4.6 (246) · Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Data Security, Security Testing, Threat Detection, Cyber Threat Intelligence, Cyber Attacks, Cyber Risk, Cyber Security Strategy, AI Integrations, Intrusion Detection and Prevention, Cyber Threat Hunting, Data Management, Cybersecurity, Cyber Governance, Artificial Intelligence and Machine Learning (AI/ML), Security Management, Security Awareness, Security Strategy, AI Product Strategy, Security Software, Generative AI
★ 4.6 (40) · Beginner · Specialization · 3 - 6 Months

Michigan State University
Skills you'll gain: Value Propositions, Business Planning, Business Modeling, Entrepreneurship, Verification And Validation, Milestones (Project Management), Business Development, Financial Forecasting, Financial Modeling, New Business Development, Plan Execution, Customer Analysis, Customer Insights
★ 4.5 (184) · Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LLM Application, Prompt Engineering, Penetration Testing, Vulnerability Assessments, Security Testing, Large Language Modeling, Vulnerability Management, Risking, AI Security, Application Security
★ 4.8 (58) · Beginner · Project · Less Than 2 Hours

Macquarie University
Skills you'll gain: Criminal Investigation and Forensics, Investigation, Cybersecurity, Data Security, Cyber Governance, Cyber Security Policies, Computer Security, Digital Assets, Security Testing, Data Analysis Software, Cyber Risk, Incident Management
★ 4.3 (15) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Containerization, Package and Software Management, Software Testing, Docker (Software), Development Environment, Unit Testing, Application Deployment, Scripting, Test Script Development, Development Testing, Devops Tools, Test Automation, IT Automation, Scripting Languages, Integration Testing, DevOps, Software Development Tools, Python Programming, Web Scraping
★ 3.9 (60) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Agentic Workflows, Development Environment, Model Evaluation, Artificial Intelligence, AI literacy, Scalability, Performance Tuning, Model Optimization, Design
★ 4.5 (117) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Integration, Data Validation, Data Quality, Data Cleansing, Data Modeling, Health Informatics, Data Transformation, Health Systems, Data Warehousing, Star Schema, Data Analysis, Analytics, Interoperability, Database Systems, Relational Databases
★ 4.6 (56) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Security, Responsible AI, Threat Modeling, Governance Risk Management and Compliance, Compliance Management, Data Ethics, Data Governance, Model Evaluation, Reinforcement Learning, Risk Management, Prompt Engineering, Governance, Regulatory Compliance, Security Testing, MLOps (Machine Learning Operations), MITRE ATT&CK Framework, Continuous Monitoring, Ethical Standards And Conduct, Large Language Modeling, Vulnerability Assessments
★ 3.5 (13) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Home Health Care and Assisted Living, Infection Control, Personal protective equipment, Hand Hygiene, Emergency Response, Long Term Care, Nursing Homes, Patient Communication, Public Health and Disease Prevention, Laboratory Testing, Mental Health, Community Health, Public Health, Care Coordination, Media and Communications, Patient Education and Support, Epidemiology, Diagnostic Tests, Cleanliness, Infectious Diseases
★ 4.8 (268) · Beginner · Course · 1 - 3 Months

Indian Institute of Science
Skills you'll gain: Engineering Documentation, Biomedical Technology, Biomedical Engineering, Medical Devices, Engineering, Scientific, and Technical Instruments, Medical Equipment and Technology, Electronics, Electronics Engineering, Vital Signs, Medical Equipment, Technical Documentation, Engineering Plans And Specifications, Electronic Hardware, Technical Communication, Semiconductors, Materials science, Health Technology, Analytical Testing, Electronic Systems, Systems Design
★ 4.8 (25) · Beginner · Specialization · 3 - 6 Months

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Processing, Data Access, Data Sharing, Web Applications, Data Mining, Interoperability, Software Architecture, Data Architecture, Data Modeling
★ 4.1 (94) · Intermediate · Course · 1 - 4 Weeks