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.

Skills you'll gain: Incident Response, Cyber Threat Hunting, Computer Security Incident Management, Incident Management, Cyber Threat Intelligence, Threat Detection, Threat Management, Security Management, Cybersecurity, Scenario Testing, Technical Communication, Simulations
★ 4.4 (46) · Advanced · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Network Troubleshooting, Performance Tuning, Docker (Software), Virtual Networking, Network Administration, Network Security, Network Performance Management, Containerization, Application Deployment, General Networking, Hardware Troubleshooting, Security Controls, Scenario Testing, Real Time Data
Beginner · Course · 1 - 4 Weeks

Palo Alto Networks
Skills you'll gain: Network Security, Cloud Security, Cybersecurity, Cloud Deployment, Cloud Technologies, Network Administration, IT Security Architecture, Cloud Infrastructure, Firewall, Endpoint Detection and Response, Cloud Services, Computer Security, Network Infrastructure, AI Security, Docker (Software), Security Management, Virtual Private Networks (VPN), Software As A Service, Hybrid Cloud Computing, Threat Detection
★ 4.6 (883) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Database Administration, Database Management, Relational Databases, SQL, Google Cloud Platform, Operational Databases, Database Design, Database Architecture and Administration, MySQL, Database Management Systems, System Configuration, Data Migration, Cloud Deployment, Database Software, Network Administration, Data Maintenance, Security Controls, Data Import/Export, Data Storage, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Wide Area Networks, Network Security, Network Routing, Data Centers, Virtual Networking, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Machines, Virtual Local Area Network (VLAN), Virtualization, Virtual Private Networks (VPN), Wireless Networks, Network Monitoring, Network Troubleshooting, Network Architecture, Hardware Troubleshooting
Beginner · Specialization · 3 - 6 Months

Erasmus University Rotterdam
Skills you'll gain: Email Security, Human Factors (Security), Cyber Security Policies, Cybersecurity, Cyber Attacks, Security Awareness, Cyber Risk, Computer Security Awareness Training, Threat Management, Patient Safety, Malware Protection, Security Controls, Encryption, Health Technology, Data Security, Information Privacy
★ 4.6 (399) · Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Cyber Security Strategy, Cybersecurity, Mobile Security, Cyber Attacks, Cyber Threat Intelligence, Security Management, Network Security, Cyber Security Policies, Internet Of Things, Cyber Governance, Security Awareness, Digital Transformation, Technology Roadmaps, Emerging Technologies, Technology Strategies, Data Governance
★ 4.5 (639) · Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Infrastructure As A Service (IaaS), Virtualization, Platform As A Service (PaaS), Containerization, Cloud-Native Computing, Serverless Computing, Cloud Infrastructure, Network Security, Cloud Services, Cloud Computing, Amazon Web Services, Cloud Management, Infrastructure as Code (IaC), Cloud Computing Architecture, Virtualization and Virtual Machines, Virtual Machines, Network Troubleshooting, Software-Defined Networking, Cloud Security, Network Administration
★ 4.7 (37) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Vulnerability Assessments, Vulnerability Scanning, Cyber Security Assessment, Network Monitoring, Penetration Testing, Virtual Private Networks (VPN), Command-Line Interface, Security Testing, Linux Commands, Cyber Operations, Cybersecurity, Information Systems Security, Linux, Software Installation, Network Security, Linux Administration, Network Analysis
★ 4.3 (238) · Intermediate · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Network Security, Firewall, IT Security Architecture, Distributed Denial-Of-Service (DDoS) Attacks, Network Architecture, Intrusion Detection and Prevention, TCP/IP, Cybersecurity, Threat Detection, Cyber Threat Intelligence, Cyber Attacks, Security Controls, Enterprise Security, Network Protocols, Proxy Servers
★ 4.7 (662) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Azure, Application Security, Cloud Security, IT Security Architecture, Infrastructure Security, Kubernetes, Network Security, Security Engineering, Security Controls, Firewall, Endpoint Security, Identity and Access Management, Security Strategy, Cyber Security Strategy, Infrastructure As A Service (IaaS), Authorization (Computing), Role-Based Access Control (RBAC), Cloud Services, Network Administration, Virtual Machines
★ 4.7 (23) · Intermediate · Course · 1 - 4 Weeks

Alibaba Cloud Academy
Skills you'll gain: Cloud Security, Network Security, General Networking, Operating System Administration, Network Architecture, Data Security, Application Security, Cloud Computing, Cloud Computing Architecture, Cloud Infrastructure, Operating Systems, Linux, Security Controls, Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Management
★ 4.7 (62) · Beginner · Course · 1 - 3 Months