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.

Coursera
Skills you'll gain: Workflow Management, Data Entry, Organizational Skills, Process Management, Operational Efficiency, Project Management Software, Editing, Data Management
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: File I/O, C and C++, Data Import/Export, C++ (Programming Language), Communication Systems, C (Programming Language)
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Project Controls, Project Performance, Issue Tracking, Project Management Software, Stakeholder Engagement, Stakeholder Management, Real Time Data, Stakeholder Communications, Collaborative Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Video Editing, Social Media Content, Social Media, Instagram, Social Media Marketing, Social Media Management, Graphic and Visual Design Software, Facebook, Content Creation, Advertising, Animations, Shared Media, Graphic Design, Graphic and Visual Design, Design, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Merchandising, E-Commerce, Web Applications, Business-To-Consumer, Scalability, Project Implementation, Business Technologies, Technology Solutions, Program Implementation, System Implementation, Product Knowledge, Value Propositions, Digital Transformation, Application Frameworks, Digital Content, Case Studies, Needs Assessment, Application Development, Systems Integration, Growth Strategies
Beginner · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Exploitation techniques, Vulnerability Scanning, Cyber Security Assessment, Active Directory, Security Testing, Web Applications, Microsoft Windows, Bash (Scripting Language), Apache Tomcat, Scripting, Microsoft SQL Servers
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Artificial Intelligence, Agentic systems, Machine Learning Algorithms, Bayesian Network, Applied Machine Learning, Computational Logic, Machine Learning, Unsupervised Learning, Bayesian Statistics, Artificial Neural Networks, Reinforcement Learning, Markov Model, Algorithms, Programming Principles
Mixed · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Adaptive Equipment, Home Health Care and Assisted Living, Home Health Care, Network Protocols, Wireless Networks, Health Technology, Disabilities, Long Term Care, End User Training and Support, Self Service Technologies, Telecommunications, Internet Of Things, Patient Evaluation, Occupational Therapy, Interoperability, Human Computer Interaction, Usability, Clinical Assessment, Patient-centered Care, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software-Defined Networking, Wide Area Networks, Network Performance Management, Network Infrastructure, Cloud Deployment, System Configuration, Package and Software Management, Configuration Management, Scalability
Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: International Relations, Public Policies, Social Studies, Economics, Policy, and Social Studies, Political Sciences, Financial Policy, International Finance, Diplomacy, Economics, World History, Economic Development, European History, Policy Development, Policy Analysis, Public Affairs, Technology Strategies, Public Safety and National Security, Lobbying, Governance, Security Strategy
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Crisis Management, Systems Thinking, Stakeholder Communications, Leadership, Strategic Communication, Leadership Development, Contingency Planning, Leadership and Management, Threat Management, Climate Change Adaptation, Incident Management, Business Continuity Planning, Risk Management Framework, Change Management, Infrastructure Security, Communication Strategies, Resilience, Organizational Change, Engineering Management, Sustainable Development
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Ansible, Red Hat Enterprise Linux, Package and Software Management, User Accounts, IT Automation, Software Installation, OS Process Management, Devops Tools, Linux Administration, File Systems, Linux Commands, Network Administration, Data Storage, Automation, Linux, Network Performance Management, Software Configuration Management, YAML, Infrastructure as Code (IaC), Scripting
Intermediate · Specialization · 1 - 4 Weeks