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

Skills you'll gain: Network Security, Endpoint Security, Hardening, Virtual Private Networks (VPN), Firewall, Network Administration, Cloud Security, Cybersecurity, Infrastructure Security, Role-Based Access Control (RBAC), Cloud Computing, Authorization (Computing), Identity and Access Management, Email Security, Network Infrastructure, Network Protocols, Authentications, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Intrusion Detection and Prevention, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Network Administration, Infrastructure Security, Ansible, Firewall, Network Infrastructure, Security Controls, Wireless Networks, Network Monitoring, Computer Networking, Identity and Access Management, Authorization (Computing), Scripting, Authentications, Automation, Encryption, Data Modeling, Application Programming Interface (API)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Network Troubleshooting, Distributed Denial-Of-Service (DDoS) Attacks, Network Administration, Hardening, Network Monitoring, Intrusion Detection and Prevention, Cybersecurity, Network Protocols, Firewall, General Networking, Network Infrastructure, Network Performance Management, Authentications, Identity and Access Management, Encryption, Virtual Local Area Network (VLAN), Multi-Factor Authentication, Wireless Networks
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Key Management, Data Security, Cryptography, Encryption, Information Systems Security, Cybersecurity, Network Security, Security Information and Event Management (SIEM), Application Security, Network Monitoring, Network Analysis, Intrusion Detection and Prevention, Event Monitoring, Continuous Monitoring, Incident Response
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Routing Protocols, Network Routing, TCP/IP, Network Routers, Virtual Private Networks (VPN), OSI Models, Computer Networking, General Networking, Network Protocols, Networking Hardware, Network Switches, Network Troubleshooting, Local Area Networks, Network Performance Management, Network Infrastructure, Wireless Networks, Network Security, Network Model, Network Analysis
Beginner · Specialization · 3 - 6 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

Skills you'll gain: Penetration Testing, Network Security, Vulnerability Scanning, Wireless Networks, Cybersecurity, Exploitation techniques, Linux, Command-Line Interface, Network Analysis, Encryption, Virtual Private Networks (VPN), System Configuration, Software Installation, File Management, Virtual Machines
Beginner · Course · 1 - 3 Months

New York University
Skills you'll gain: Infrastructure Security, Cyber Security Strategy, Mobile Security, Enterprise Security, Cyber Risk, Cyber Security Policies, Cybersecurity, Cloud Security, NIST 800-53, Hybrid Cloud Computing, Security Awareness, Cloud Computing Architecture, Blockchain, Internet Of Things, Cryptography, Data Integrity
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Continuous Monitoring, Cloud Security, Disaster Recovery, Network Security, Cloud Services, AI Security, Security Strategy, Cloud Computing Architecture, Cloud Computing, Hybrid Cloud Computing, Infrastructure Security, Cybersecurity, Security Management, Threat Detection, Cloud Management, Encryption, Identity and Access Management
Advanced · Course · 1 - 4 Weeks

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