Network security courses can help you learn about firewalls, intrusion detection systems, and encryption protocols. You can build skills in risk assessment, incident response, and vulnerability management. Many courses introduce tools like Wireshark for network analysis, Nessus for vulnerability scanning, and various security information and event management (SIEM) systems, showing how these skills are applied in practical work to protect networks from cyber threats.

University of California San Diego
Skills you'll gain: Bioinformatics, Diagnostic Tests, Computational Thinking, Molecular Biology, Infectious Diseases, Informatics, Network Analysis, Medical Science and Research, Biochemistry, Data Mining, Scientific Visualization, Life Sciences, Tree Maps, Microbiology, Biology, Data Analysis Software, Pharmacology, Science and Research
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Development Testing, Algorithms, Program Development, Software Testing, Java, Computer Programming, Software Development, Programming Principles, Debugging, Scalability
Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Linear Algebra, Artificial Intelligence, Applied Mathematics, Deep Learning, Machine Learning, Supervised Learning, Mathematical Modeling
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Story, Requirements Elicitation, Requirements Management, Business Requirements, Requirements Analysis, Verification And Validation, Project Documentation, Functional Specification, User Acceptance Testing (UAT), Process Mapping, Interviewing Skills
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Firewall, Cloud Security, Network Security, Google Cloud Platform, Infrastructure Security, Cloud Computing, Virtual Machines, Network Architecture, Computer Networking, Scalability, Web Applications
Advanced · Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Software Development Life Cycle, CI/CD, DevOps, Continuous Integration, Project Management, Continuous Deployment, Application Deployment, Software Testing, Amazon Web Services, Waterfall Methodology, Agile Methodology, Kanban Principles, Scrum (Software Development), Git (Version Control System), Automation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Generative AI, Generative Model Architectures, Large Language Modeling, ChatGPT, Image Analysis, Prompt Engineering, Natural Language Processing, Deep Learning, Probability & Statistics
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Cyber Security Assessment, Application Security, Web Servers, Content Management Systems, Application Programming Interface (API), Databases
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Inventory Management System, Tax Management, Accounting Software, Customer Relationship Management (CRM) Software, Small Business Accounting, Bookkeeping, Accounting, Payroll Systems, Cloud Security
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: User Accounts, Real Time Data, Authentications, Cloud Applications, Application Development, JavaScript Frameworks, Application Security, Web Applications, Data Management, Data Structures, Data Storage, Cloud Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Load Balancing, Google Cloud Platform, Virtual Machines, Cloud Computing Architecture, Amazon Web Services, Public Cloud, Cloud Infrastructure, Virtualization and Virtual Machines, Virtual Private Networks (VPN), Scalability, Network Routing, Firewall, Network Security
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Computer Science, Information Technology, Computational Thinking, Computer Networking, Computer Literacy, Geographic Information Systems, Digital Communications, Media and Communications, Mobile Development, Culture, Algorithms, Global Positioning Systems, Data Analysis Software
Beginner · Course · 1 - 3 Months