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: Network Security, Cryptography, Firewall, Cybersecurity, Intrusion Detection and Prevention, Virtual Private Networks (VPN), Cloud Security, Cyber Attacks, Public Key Infrastructure, Human Factors (Security), Virtual Local Area Network (VLAN)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Network Security, Threat Detection, Proxy Servers, Network Monitoring, Intrusion Detection and Prevention, Network Troubleshooting, Firewall, Google Cloud Platform, Security Controls, Identity and Access Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Proxy Servers, Firewall, Identity and Access Management, Network Monitoring, Cloud Security, Google Cloud Platform, Intrusion Detection and Prevention, Threat Detection
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Network Security, Computer Networking, General Networking, Authentications, Authorization (Computing), Firewall, Security Controls, Network Architecture, OSI Models, Networking Hardware, Network Protocols, Virtualization, Virtual Networking, Cloud Services, TCP/IP, Network Infrastructure, Cloud Computing, Network Model, Technical Support and Services, Network Monitoring
★ 4.8 (345) · Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Security Information and Event Management (SIEM), Cloud Security, Event Monitoring, Business Continuity Planning, System Monitoring, Network Security, Business Continuity, Disaster Recovery, Incident Response, Zero Trust Network Access, Computer Security Incident Management, Security Controls, Data Security, Firewall, Cloud Standards, Intrusion Detection and Prevention, Vulnerability Management, Patch Management, Clinical Monitoring, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Firewall, Virtual Local Area Network (VLAN), Open Shortest Path First (OSPF), Network Security, Network Routers, Virtual Private Networks (VPN), Network Infrastructure, Network Switches, Network Architecture, Network Administration, Dynamic Host Configuration Protocol (DHCP), Network Monitoring, Network Troubleshooting, Network Routing, Network Planning And Design, Network Performance Management, Security Controls, System Configuration
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Network Security, Endpoint Security, Hardening, Virtual Private Networks (VPN), Network Administration, Cloud Deployment, Cloud Security, Cybersecurity, Infrastructure Security, Computer Security, Role-Based Access Control (RBAC), Cryptographic Protocols, Email Security, Network Infrastructure, Network Protocols, Remote Access Systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Hardening, Network Protocols, Authentications, Identity and Access Management, Encryption, Hardware Troubleshooting, Virtual Local Area Network (VLAN), Key Management, Wireless Networks
★ 4.8 (6) · Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: MITRE ATT&CK Framework, Cyber Threat Intelligence, Cybersecurity, Cyber Security Assessment, Cyber Security Strategy, Security Controls, Cyber Attacks, Application Security, Endpoint Security, Network Security, Infrastructure Security, Cyber Risk, Data Security
★ 4.7 (50) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Distributed Denial-Of-Service (DDoS) Attacks, Load Balancing, Network Security, Infrastructure Security, Firewall, Key Management, Virtual Networking, Cloud Security, Cloud Infrastructure, Network Infrastructure, Virtual Private Networks (VPN), Network Architecture, Security Controls, General Networking, Network Planning And Design, Security Management, Threat Detection, Virtual Machines, Remote Access Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware
★ 4.8 (71) · Beginner · Course · 1 - 4 Weeks

Check Point Software Technologies Ltd.
Skills you'll gain: Command-Line Interface, System Configuration, Security Management, Network Security, Network Monitoring
★ 4.7 (10) · Intermediate · Course · 1 - 4 Weeks