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.

Microsoft
Skills you'll gain: Infrastructure Security, IT Security Architecture, Cloud Infrastructure, Network Security, Network Infrastructure, AI Security, Infrastructure Architecture, Zero Trust Network Access, AI Integrations, DevSecOps, Enterprise Architecture, Security Architecture Review, Cloud Security, Threat Modeling, Security Controls, Hardening, Endpoint Security, Microsoft Azure, Kubernetes, Risk Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: Linux Commands, Linux Administration, Network Troubleshooting, Linux, Network Administration, Linux Servers, Network Monitoring, Network Infrastructure, Network Protocols, Virtualization and Virtual Machines, Command-Line Interface, System Configuration, Virtualization, General Networking, Remote Access Systems, Network Security, Software Installation, Cryptographic Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Network Protocols, Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Network Infrastructure, TCP/IP, Border Gateway Protocol, Network Architecture, Network Engineering, General Networking, OSI Models, Wireless Networks, Network Routing, Network Troubleshooting, Network Administration, Network Switches, Local Area Networks, System Configuration
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Digital Communications, OSI Models, Network Protocols, TCP/IP, Communication Systems, Routing Protocols, Telecommunications, Network Routing, Network Architecture, Network Planning And Design, General Networking, Computer Networking, System Programming, Data Validation, Data Integrity
Intermediate · Course · 1 - 3 Months

Total Seminars
Skills you'll gain: OSI Models, Network Troubleshooting, Network Protocols, Local Area Networks, Network Model, TCP/IP, General Networking, Networking Hardware, Network Architecture, Computer Networking, Network Infrastructure, Network Switches, Network Monitoring, Hardware Troubleshooting, Network Analysis
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Model, IT Automation, Network Engineering, Scripting, Application Programming Interface (API), Data Modeling, General Networking, Network Planning And Design, Automation, Network Administration, Scripting Languages, Linux Commands, Python Programming, Restful API, Network Protocols, Command-Line Interface, Program Development
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Services, Virtual Networking, Cloud Computing, General Networking, Network Administration, DevOps
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Network Administration, Virtual Local Area Network (VLAN), General Networking, Network Architecture, Virtual Networking, TCP/IP, Local Area Networks, Computer Networking, Command-Line Interface, Network Infrastructure, Wireless Networks, Network Security, Networking Hardware, Network Switches, Network Troubleshooting, Network Protocols, Threat Detection
Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Ansible, Devops Tools, Development Environment, Postman API Platform, Network Model, Restful API, Authentications, YAML, Software Development Tools, Software Development Methodologies, IT Automation, CI/CD, DevOps, Network Engineering, Network Architecture, Network Administration, Application Programming Interface (API), Scripting, Network Protocols, Network Routing
Beginner · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Mobile Security, Digital Forensics, Investigation, Mobile Development, Criminal Investigation and Forensics, Cybersecurity, iOS Development, Application Security, Cyber Security Strategy, Computer Security Incident Management, Computer Security, Incident Response, Data Analysis Software, Authentications, Data Integrity, Data Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: TCP/IP, Network Architecture, Network Routers, Networking Hardware, Network Planning And Design, General Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Network Infrastructure, Network Administration, Network Troubleshooting, Computer Networking, Network Engineering, Network Protocols, Network Switches, Scalability
Beginner · Course · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Ansible, YAML, IT Automation, Network Architecture, Network Administration, General Networking, Automation, System Configuration, Software Documentation, Configuration Management, Python Programming
Intermediate · Course · 1 - 4 Weeks