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: IT Security Architecture, Network Troubleshooting, Information Systems Security, Network Security, Systems Administration, IT Infrastructure, Computer Networking, OSI Models, Cloud Infrastructure, Routing Protocols, Package and Software Management, Cloud Management, Operating System Administration, Application Security, Help Desk Support, Desktop Support, Network Protocols, Cloud Computing, Customer Service, Debugging
Beginner · Professional Certificate · 3 - 6 Months

Infosec
Skills you'll gain: Network Analysis, Network Security, Intrusion Detection and Prevention, Cybersecurity, Threat Detection, Network Monitoring, Anomaly Detection, Exploitation techniques
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Management, Threat Modeling, Open Web Application Security Project (OWASP), Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Stakeholder Communications, Vulnerability Assessments, Threat Detection, Event Monitoring, Cyber Attacks, Hardening, Network Security, Security Controls, Data Ethics, Bash (Scripting Language), Cybersecurity, Linux, Debugging, SQL
Beginner · Professional Certificate · 3 - 6 Months

STARWEAVER
Skills you'll gain: Virtual Networking, Network Protocols, Network Planning And Design, Network Security, General Networking, Network Administration, Communication Systems, Network Performance Management, Network Architecture, Network Monitoring, Virtualization, Network Routing, Digital Communications, Network Infrastructure, Computer Networking, TCP/IP, Routing Protocols, Cybersecurity, Emerging Technologies, Cyber Security Strategy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Application Deployment, API Gateway, Cloud-Native Computing, Containerization, Network Troubleshooting, Data Storage, Network Administration, Infrastructure Security, Role-Based Access Control (RBAC), YAML, Security Controls, Linux Administration, Data Storage Technologies, General Networking, Problem Management, Network Security, Data Persistence, Test Tools, Scenario Testing
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Cybersecurity, Cryptography, Mobile Security, Cyber Operations, Cryptographic Protocols, Security Testing, Vulnerability Scanning, Application Security, Network Security, Operating Systems, Encryption, Hardening, Vulnerability Assessments, Computer Security
Intermediate · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Threat Detection, Cyber Security Strategy, System Monitoring, Cybersecurity, Cyber Operations, Continuous Monitoring, Network Security, Network Monitoring, Python Programming, Scripting, Scripting Languages
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Zero Trust Network Access, Cybersecurity, Cyber Security Strategy, Cyber Security Assessment, IT Security Architecture, Computer Security, Security Architecture Review, Network Security, Security Strategy, Enterprise Architecture, Cloud Security
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cloud Computing, Infrastructure Architecture, Cost Reduction, Cloud Hosting, Cloud Solutions, Cost Management, Network Infrastructure, Budget Management, Database Management, Load Balancing, Virtual Private Networks (VPN), Technical Support and Services, Technical Support, Financial Management, Network Security, Vendor Management, Resource Management, Customer Support, Configuration Management
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Network Performance Management, Virtual Networking, General Networking, Google Cloud Platform, Computer Networking, Network Architecture, Network Infrastructure, Network Security, Network Routing, Firewall, System Configuration, Infrastructure Security, Security Controls, Security Software
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, Network Security, Network Analysis, Network Protocols, Active Directory, Lightweight Directory Access Protocols
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Linux, Command-Line Interface, Penetration Testing, Linux Administration, General Networking, Cyber Security Assessment, Exploitation techniques, Cybersecurity, Data Ethics, Vulnerability Scanning, Network Security, System Configuration, Software Installation, Virtual Machines
Beginner · Course · 1 - 3 Months