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: Network Infrastructure, General Networking, Network Protocols, Network Routers, Network Architecture, Networking Hardware, Internet Of Things, Network Routing, Wireless Networks, Local Area Networks, Network Switches, Virtual Local Area Network (VLAN), Enterprise Architecture, Network Security
★ 4.8 (41) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Identity and Access Management, Cloud Infrastructure, Cloud Computing, Infrastructure As A Service (IaaS), Cloud Platforms, Cloud Deployment, Virtual Machines, Kubernetes, Role-Based Access Control (RBAC), Virtual Networking, Cloud Management, Windows PowerShell, Application Deployment, Load Balancing, Network Architecture, Security Information and Event Management (SIEM), Command-Line Interface, Network Security, Scalability
★ 4.6 (19) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Network Troubleshooting, Software-Defined Networking, Network Engineering, Network Monitoring, Virtual Networking, TCP/IP, Network Architecture, Computer Networking, Network Performance Management, Network Protocols, General Networking, Cybersecurity, Network Infrastructure, Network Administration, Local Area Networks, Network Analysis, OSI Models, Network Model, Network Routing
★ 4.6 (11) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Security, Information Assurance, Security Controls, Data Integrity, Identity and Access Management, Network Security, IT Security Architecture, Authentications, Cybersecurity, Authorization (Computing), Infrastructure Security, Enterprise Security, User Provisioning
★ 4.5 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), Terraform, Cloud Security, Data Integrity, Data Infrastructure, Cloud Infrastructure, Data Security, Infrastructure Security, Encryption, Private Cloud, Security Controls, Network Security, Cloud Storage, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Federated Learning, Wireless Networks, Emerging Technologies, Digital Communications, Communication Systems, Blockchain, Internet Of Things, Network Security, Telecommunications, Network Performance Management, Network Planning And Design, Zero Trust Network Access, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Network Analysis, Information Technology, Electronics Engineering, Machine Learning, Trustworthiness
★ 4.5 (13) · Intermediate · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: IT Security Architecture, Computer Security Incident Management, Network Security, Incident Response, Digital Forensics, Incident Management, Cybersecurity, Cloud Security, Cyber Attacks, Cloud Computing Architecture, Cyber Security Strategy, Security Controls, Endpoint Security
★ 4.8 (144) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Incident Response, Security Information and Event Management (SIEM), Threat Management, Cybersecurity, Intrusion Detection and Prevention, IT Security Architecture, Cloud Security, Security Architecture Review, Cyber Risk, Cyber Security Policies, Data Security, Network Security, Cyber Security Strategy, Personally Identifiable Information, Malware Protection, Risk Management
★ 4.7 (6) · Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Remote Access Systems, Local Area Networks, Software Installation, Command-Line Interface, Threat Management, Microsoft Windows, System Configuration, Threat Detection, Information Technology Operations, Wireless Networks, Systems Administration, Network Security, TCP/IP, Information Systems Security, Peripheral Devices, USB, Operating Systems, Computer Hardware, Data Storage Technologies
★ 4.7 (47) · Beginner · Specialization · 3 - 6 Months

EC-Council
Skills you'll gain: Penetration Testing, Cybersecurity, Threat Management, Cloud Security, Mobile Security, Vulnerability Assessments, Network Security, Cyber Security Assessment, Application Security, Threat Detection, Security Testing, Cyber Attacks, Brute-force attacks, MITRE ATT&CK Framework, Encryption, Vulnerability Scanning, Cloud Computing, Exploitation techniques, Web Applications, Wireless Networks
Beginner · Course · 1 - 3 Months

Skills you'll gain: Operating System Administration, Network Troubleshooting, Computer Networking, IT Security Architecture, Information Systems Security, Cloud Management, Linux, IT Infrastructure, Cybersecurity, Microsoft Windows, Network Security, Network Protocols, TCP/IP, Systems Administration, Remote Access Systems, Desktop Support, Technical Support, Lightweight Directory Access Protocols, Technical Support and Services, Package and Software Management
★ 4.8 (588) · Beginner · Professional Certificate · 3 - 6 Months

Board Infinity
Skills you'll gain: Risk Management Framework, Business Continuity Planning, Incident Response, Risk Mitigation, Cyber Threat Hunting, Cyber Risk, Business Continuity, Risk Management, Computer Security Incident Management, Risk Analysis, Threat Management, Cybersecurity, Vulnerability Management, Security Management, Enterprise Risk Management (ERM), Network Security, Cyber Security Policies, Incident Management, Business Risk Management, Cyber Threat Intelligence
★ 4.9 (15) · Intermediate · Specialization · 1 - 3 Months