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: Cryptographic Protocols, Network Security, Encryption, OSI Models, Cryptography, IT Security Architecture, Network Performance Management, Network Architecture, Computer Networking, General Networking, Communication Systems, Remote Access Systems, TCP/IP, Network Infrastructure, Network Protocols, Wireless Networks, Virtual Private Networks (VPN), Virtual Networking, Endpoint Security, Cloud Security
Intermediate · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: Vulnerability Scanning, Metasploit, Penetration Testing, Vulnerability Assessments, Cyber Security Assessment, Network Security, Vulnerability Management, Brute-force attacks, Exploitation techniques, Network Monitoring, Network Troubleshooting, Security Engineering, Network Analysis, Wireless Networks, Network Protocols, Data Manipulation
Advanced · 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, Network Engineering, Network Monitoring, Local Area Networks, Network Performance Management, Wireless Networks, Network Security, Network Analysis
Beginner · Specialization · 3 - 6 Months

Royal Holloway, University of London
Skills you'll gain: Computer Security Incident Management, Linux, Network Security, Cyber Governance, IT Security Architecture, OSI Models, Incident Management, Incident Response, Security Management, Linux Commands, TCP/IP, Computer Systems, Threat Modeling, Command-Line Interface, Network Protocols, Computer Networking, Cybersecurity, Human Factors (Security), Cyber Threat Intelligence, Cyber Attacks
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Infrastructure, Networking Hardware, Cybersecurity, Digital Communications
Beginner · Course · 1 - 4 Weeks

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

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

Palo Alto Networks
Skills you'll gain: Cybersecurity, Cyber Attacks, Network Security, Zero Trust Network Access, Malware Protection, IT Security Architecture, Firewall, Computer Security, AI Security, Cyber Threat Intelligence, Endpoint Security, Endpoint Detection and Response, Security Architecture Review, Exploitation techniques, Cloud Security, System Configuration, Cloud Computing, Software As A Service, Cryptography, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Payment Systems, Infrastructure Security, Cyber Risk, Network Infrastructure, Security Awareness, Data Integrity, Verification And Validation
Beginner · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Network Security, Mobile Security, Public Key Infrastructure, Cryptography, Security Controls, Cryptographic Protocols, Cybersecurity, Authorization (Computing), Encryption, Authentications, Identity and Access Management, Wireless Networks, Cloud Computing, Cloud Security, Virtual Machines, Network Monitoring, Data Security, Internet Of Things, Virtualization and Virtual Machines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Security, OSI Models, Distributed Denial-Of-Service (DDoS) Attacks, Firewall, TCP/IP, Network Administration, Wireless Networks, Network Protocols, General Networking, Telecommunications, Intrusion Detection and Prevention, Network Routers, Security Controls, Identity and Access Management, Mobile Security, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Event Monitoring, OSI Models, Network Monitoring, Network Protocols, Cyber Threat Intelligence, Network Analysis, TCP/IP, Distributed Denial-Of-Service (DDoS) Attacks, Threat Detection, General Networking, Network Security, Incident Response, Anomaly Detection, Command-Line Interface
Intermediate · Course · 1 - 3 Months