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.
Georgia Institute of Technology
Skills you'll gain: Software-Defined Networking, Virtual Networking, Virtualization, Virtual Machines, Cloud Infrastructure, Network Architecture, Network Infrastructure, Computer Networking, Cloud Computing, Network Planning And Design, Network Performance Management, Linux, Performance Tuning, Scalability
Mixed · Course · 1 - 3 Months

Skills you'll gain: Linux Commands, Linux Administration, Network Troubleshooting, Linux, Network Administration, File Transfer Protocol (FTP), Virtual Networking, TCP/IP, Network Infrastructure, Network Protocols, Command-Line Interface, System Configuration, Virtualization, General Networking, Software Installation
Beginner · Course · 1 - 4 Weeks

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

Macquarie University
Skills you'll gain: Mobile Security, Investigation, Mobile Development, Apple iOS, Criminal Investigation and Forensics, Android (Operating System), Application Security, Legal Proceedings, Cybersecurity, File Systems, Malware Protection, Computer Security, Secure Coding, Computer Security Incident Management, Cloud Security, Security Strategy, Analysis, Encryption, Debugging, Disaster Recovery
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Cybersecurity, Cyber Attacks, Incident Response, Information Systems Security, Application Security, Security Management, Computer Security Incident Management, Network Security, IT Security Architecture, Threat Management, Security Information and Event Management (SIEM), Cyber Threat Intelligence, Security Controls, Identity and Access Management, Cryptography, Threat Detection, Data Security, Computer Security, Encryption, Risk Management
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Virtual Networking, Virtual Private Networks (VPN), Amazon Web Services, Cloud Computing Architecture, Virtual Machines, Network Architecture, Amazon Elastic Compute Cloud
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Project Estimation, Project Schedules, Work Breakdown Structure, Estimation, Scheduling, Timelines, Project Planning, Project Management, Probability & Statistics
Beginner · Guided Project · Less Than 2 Hours

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

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

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

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

Cisco Learning and Certifications
Skills you'll gain: Ansible, YAML, Network Architecture, Network Administration, Infrastructure as Code (IaC), General Networking, Automation, Technical Documentation, Configuration Management, JSON, Python Programming
Intermediate · Course · 1 - 4 Weeks