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: Vulnerability Scanning, Cyber Security Assessment, Security Testing, Cybersecurity, Cyber Threat Intelligence, Cyber Threat Hunting, Cyber Operations, Cyber Security Strategy, Cyber Attacks, Exploitation techniques, Problem Solving
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Fine-tuning, Large Language Modeling, Natural Language Processing, LLM Application, Generative AI Agents, Agentic Workflows, Decision Intelligence, Test Case, Agentic systems, User Interface (UI), Performance Testing, Model Training, Applied Machine Learning, Artificial Intelligence, Model Optimization, Machine Learning Algorithms, Classification Algorithms, Decision Support Systems, Model Evaluation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Continuous Deployment, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Test Script Development, HTML and CSS, Development Testing, Hypertext Markup Language (HTML), Interviewing Skills, Web Development Tools, Debugging, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Pearson
Skills you'll gain: Open Web Application Security Project (OWASP), AI Security, Vulnerability Assessments, Vulnerability Scanning, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Management, Network Security, Cryptography, Penetration Testing, Intrusion Detection and Prevention, Cybersecurity, Cyber Security Assessment, Malware Protection, Mobile Security, Threat Modeling, Threat Detection, Web Applications, Internet Of Things, Cloud Computing, Network Architecture
Intermediate · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Debugging, Version Control, C# (Programming Language), Microsoft Copilot, Event-Driven Programming, Git (Version Control System), Object Oriented Programming (OOP), .NET Framework, Software Design Patterns, Program Development, Software Architecture, Application Deployment, Development Testing, Object Oriented Design, Microsoft Visual Studio, Software Testing, ASP.NET, Software Development Tools, Security Testing, File Systems
Beginner · Professional Certificate · 3 - 6 Months

Universidade Estadual de Campinas
Skills you'll gain: Laboratory Testing, Patient Evaluation, Product Testing, Personal Care, Biology, Pharmaceuticals, Pharmacology, Chemistry, Health Care Procedure and Regulation, Physiology, Geriatrics, Preventative Care, Biochemistry, Radiation Protection, Clinical Assessment, Molecular Biology
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Threat Modeling, Cybersecurity, Cryptography, Mobile Security, Cryptographic Protocols, Security Testing, Vulnerability Scanning, Cyber Security Assessment, Application Security, Operating System Administration, Network Security, Operating Systems, Encryption, Hardening
Intermediate · Specialization · 3 - 6 Months

Northeastern University
Skills you'll gain: Health Informatics, Health Information Management, Health Systems, Health Technology, Clinical Informatics, Health Care, Electronic Medical Record System, Health Information Management and Medical Records, Health Care Administration, Health Administration, Data Sharing, Electronic Medical Record, Interoperability, Decision Support Systems, Data Management, Data Storage, Artificial Intelligence, Emerging Technologies, Digital Transformation
Beginner · Course · 1 - 4 Weeks

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
Mixed · 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
Intermediate · Course · 1 - 4 Weeks

University of Cambridge
Skills you'll gain: Criminal Investigation and Forensics, Bioinformatics, Molecular Biology, Healthcare Ethics, Specimen Collection, Scientific Methods, Molecular, Cellular, and Microbiology, Biostatistics, Life Sciences, Laboratory Techniques, General Science and Research, Analytical Testing, Research, Biology
Beginner · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Sampling (Statistics), Statistical Inference, Statistical Methods, Data-Driven Decision-Making, Statistical Modeling, Quantitative Research, Statistics, Statistical Analysis, Probability & Statistics, Scientific Methods, Decision Making, Probability, Probability Distribution
Intermediate · Course · 1 - 3 Months