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 Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Telecommunications, Communication Systems, Distributed Computing, Wireless Networks, Digital Communications, General Networking, Local Area Networks, Network Model, Network Routing, Routing Protocols, Embedded Software, Network Protocols, Global Positioning Systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, IT Security Architecture, Computer Networking, Information Systems Security, Systems Administration, IT Infrastructure, Network Security, Operating System Administration, Cybersecurity, Package and Software Management, Lightweight Directory Access Protocols, TCP/IP, Network Protocols, Desktop Support, Active Directory, Technical Support and Services, File Systems, Technical Support, OS Process Management, Computer Hardware
Beginner · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Ethics, Security Awareness, Ethical Standards And Conduct, Cybersecurity, Responsible AI, digital literacy, Information Privacy, Social Impact, AI Personalization, Media and Communications, Data Security, Personally Identifiable Information, Law, Regulation, and Compliance, Penetration Testing
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Visualization, Interactive Data Visualization, Dashboard, Forecasting, Analytics, Advanced Analytics, Business Analytics, Data Analysis, Data Validation, Analysis, Data Entry, Data Management, Data Integrity, Data Security, Decision Making
Mixed · Course · 1 - 3 Months

Skills you'll gain: TCP/IP, System Programming, Network Protocols, Program Development, Memory Management, Hardware Architecture, Computer Hardware
Intermediate · Course · 1 - 3 Months

Splunk Inc.
Skills you'll gain: Splunk, Data Visualization, Data Presentation, Data Visualization Software, Dashboard Creation, Dashboard, Ad Hoc Reporting, Business Intelligence, Data Analysis, Big Data, Data Science, Event Monitoring, Query Languages, Incident Response, Business Analysis, Role-Based Access Control (RBAC), Geospatial Mapping
Beginner · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), API Design, Application Programming Interface (API), Application Security, Secure Coding, Security Controls, Vulnerability Assessments, Authorization (Computing), Hardening, Cryptographic Protocols, Cryptography, Authentications, Exploitation techniques
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: AI Integrations, Cloud Deployment, Cloud Applications, Cloud Development, Cloud API, Application Deployment, API Gateway, OpenAI API, Cloud Hosting, Cloud Security, Application Programming Interface (API), Cloud Computing, Secure Coding, Serverless Computing, LLM Application, Cloud Technologies, OpenAI, Distributed Computing, Performance Tuning, Debugging
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Diversity Awareness, Intercultural Competence, Teamwork, Diversity Equity and Inclusion Initiatives, Cultural Sensitivity, Cultural Diversity, Collaboration, Verbal Communication Skills, Student Support and Services, Advocacy, Professional Development, English Language, Research, Professionalism, Higher Education, Communication, Adaptability, Communication Strategies, Public Speaking, Writing
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Ethics, Security Awareness, Healthcare Ethics, Responsible AI, Ethical Standards And Conduct, Cybersecurity, Diversity Awareness, Generative AI, Artificial Intelligence, Diversity Training, Computer Science, Diversity Programs, digital literacy, Medical Privacy, Information Privacy, Diversity Equity and Inclusion Initiatives, Social Impact, AI Personalization, Media and Communications, Clinical Research Ethics
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: DevSecOps, DevOps, Application Security, Secure Coding, Security Testing, Continuous Delivery, CI/CD, Continuous Integration, Containerization, Vulnerability Scanning, Vulnerability Management, Security Management, Automation
Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: LinkedIn, Interviewing Skills, Social Media, Social Media Strategy, Professional Networking, Strategic Communication, Communication, Negotiation, Job Analysis, Relationship Building, Writing, Professionalism, Business Writing, Decision Making
Beginner · Course · 1 - 3 Months