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 Colorado Boulder
Skills you'll gain: Bayesian Network, Bayesian Statistics, Markov Model, Probability, Decision Intelligence, Reinforcement Learning, Machine Learning Methods, Artificial Intelligence, Statistical Inference, Statistical Modeling, Network Model, Forecasting, Probability & Statistics, Dependency Analysis, Statistical Methods, Agentic systems, Applied Machine Learning, Probability Distribution, Time Series Analysis and Forecasting, Sampling (Statistics)
Intermediate · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Matplotlib, Tensorflow, NumPy, Pandas (Python Package), Object Oriented Programming (OOP), Seaborn, Python Programming, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, Keras (Neural Network Library), Scikit Learn (Machine Learning Library), Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Endpoint Security, Zero Trust Network Access, IT Security Architecture, Data Security, Security Architecture Review, Security Strategy, Cloud Security, Cyber Security Strategy, Cloud Services, Microsoft Azure, Security Information and Event Management (SIEM), Cloud Platforms, Security Controls, Cybersecurity, Cyber Security Assessment, Threat Modeling, Cyber Threat Intelligence, Endpoint Detection and Response, Application Security, Cyber Security Policies
Advanced · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Spring Framework, Java Programming, Java, Application Frameworks, Java Platform Enterprise Edition (J2EE), Maintainability, Scalability, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Metasploit, Penetration Testing, Exploit development, Exploitation techniques, Vulnerability Assessments, Vulnerability Scanning, Security Testing
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: User Interface (UI), User Interface (UI) Design, Responsive Web Design, User Interface and User Experience (UI/UX) Design, User Experience Design, Digital Design, Web Design, User Experience, Motion Graphics, Adobe XD, Interactive Design, No-Code Development, Graphic and Visual Design, Layout Design, Prototyping, Graphic Design, Design Elements And Principles, Augmented and Virtual Reality (AR/VR), Style Guides, Digital Publishing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Facebook, Web Presence, Social Media Marketing, Social Media, Social Media Management, Customer Inquiries, Social Media Content, Customer Service, Customer experience improvement, Marketing Automation, Marketing, Marketing Communications, Content Development and Management, User Accounts, Administration, Business Administration
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Systems Development Life Cycle, Software Development Life Cycle, Systems Development, Change Control, Software Development Methodologies, Project Management Life Cycle, Change Management, Project Management, IT Management, System Implementation, Compliance Auditing, Internal Auditing, Software Testing, Test Data, Auditing, Development Testing, Risk Control, Verification And Validation, Project Management Office (PMO), Risk Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Requirements Analysis, Generative AI, Functional Specification, Software Documentation, Prompt Engineering, User Requirements Documents, AI literacy, Software Design Documents, Process Optimization, Business Analysis Tools, Requirements Elicitation, Workflow Management, User Story, Prioritization, Requirements Management, Hugging Face, Language Interpretation, Translation, and Studies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure DevOps, Azure DevOps Pipelines, Continuous Delivery, CI/CD, DevOps, Test Planning, Continuous Integration, Software Development Methodologies, Git (Version Control System), Agile Software Development, YAML, Continuous Deployment, GitHub, Agile Methodology, Version Control, Agile Project Management, Application Deployment, Release Management, Sprint Planning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Management, Cloud Deployment, Identity and Access Management, Google Cloud Platform, Cloud Solutions, Cloud Engineering, Cloud Computing, Cloud Platforms, Cloud Services, Cloud Infrastructure, Cloud Security, Cloud Storage, Role-Based Access Control (RBAC), System Monitoring
Intermediate · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Incident Response, Incident Management, Cyber Risk, Cybersecurity, Regulatory Compliance, Cyber Security Policies, Computer Security Awareness Training, Information Assurance, Cyber Attacks, Security Management, Compliance Management, Cyber Security Assessment, Cyber Governance, Risk Management Framework, Insurance, Risk Management, Financial Accounting
Intermediate · Course · 1 - 4 Weeks