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: Security Software, Software Installation, Virtual Machines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Scanning, Vulnerability Assessments, Penetration Testing, Security Testing, Network Security, Threat Detection, Network Monitoring, Network Analysis, Operating Systems
Beginner · Guided Project · Less Than 2 Hours

Total Seminars
Skills you'll gain: Network Monitoring, Network Troubleshooting, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Network Performance Management, Security Controls, Threat Detection, Firewall, Virtual Private Networks (VPN), Network Switches, Infrastructure Security, Hardening, Network Architecture, Network Analysis, Hardware Troubleshooting, Diagnostic Tests
Intermediate · Course · 1 - 3 Months

Skills you'll gain: OSI Models, Network Security, Security Controls, General Networking, Wireless Networks, Network Protocols, Firewall, Network Administration, TCP/IP, Telecommunications, Proxy Servers, Distributed Denial-Of-Service (DDoS) Attacks, Network Infrastructure, System Configuration, Network Architecture, Intrusion Detection and Prevention, Hardening, Remote Access Systems, Authentications
Beginner · Course · 1 - 4 Weeks

Check Point Software Technologies Ltd.
Skills you'll gain: Virtual Private Networks (VPN), Threat Management, Network Security, Firewall, Threat Detection, Intrusion Detection and Prevention, Disaster Recovery, Remote Access Systems, Network Administration, Data Integrity, Network Monitoring, Cyber Security Policies, Security Controls, System Configuration, Network Troubleshooting, Security Management, System Monitoring, Active Directory
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Cybersecurity, Cyber Attacks, Network Security, Information Systems Security, Business Continuity Planning, Cryptography, Security Architecture Review, Disaster Recovery, Business Continuity, Cyber Security Policies, Cryptographic Protocols, IT Security Architecture, Telecommunications, Network Administration, Law, Regulation, and Compliance, NIST 800-53, Infrastructure Security, Security Controls, Data Security, Governance Risk Management and Compliance
Build toward a degree
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: OSI Models, Linux Administration, Network Troubleshooting, Linux, Linux Commands, Network Administration, Linux Servers, Hardening, Network Monitoring, General Networking, Remote Access Systems, Network Performance Management, Network Protocols, TCP/IP, Network Security, Network Support, Firewall, Security Controls, System Monitoring, Network Analysis
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Network Security, Network Monitoring, Exploitation techniques, Cybersecurity, Vulnerability Scanning, Cryptographic Protocols, Remote Access Systems, Network Protocols, Encryption, General Networking, Command-Line Interface, Network Analysis, Proxy Servers
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux, Linux Administration, Malware Protection, Linux Commands, Operating System Administration, Endpoint Security, Security Awareness, Hardening, Active Directory, Security Controls, Computer Security Awareness Training, Network Administration, System Configuration, Systems Administration, Enterprise Application Management, Cloud Deployment, Multi-Factor Authentication, Windows Servers, Cloud Services, Encryption
Intermediate · Course · 1 - 3 Months

Total Seminars
Skills you'll gain: Network Monitoring, Network Troubleshooting, Network Performance Management, Dynamic Host Configuration Protocol (DHCP), Network Protocols, Network Security, TCP/IP, Authentications, Identity and Access Management, Security Controls, Network Administration, Network Infrastructure, Email Security, Firewall, Cryptographic Protocols, File Transfer Protocol (FTP), Network Engineering, Single Sign-On (SSO), Network Model, Network Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Network Security, Cloud Security, Cyber Attacks, Information Systems Security, Application Security, OSI Models, Cryptography, Data Security, Cryptographic Protocols, Encryption, Network Administration, Infrastructure Security, Endpoint Security, General Networking, Security Controls, Malware Protection, Cloud Computing, Wireless Networks, Network Protocols
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Metasploit, Exploit development, Human Factors (Security), Active Directory, Exploitation techniques, Cyber Security Assessment, Cyber Operations, Brute-force attacks, Network Security, Security Testing, Security Awareness, Vulnerability Assessments, Vulnerability Scanning, Authentications, Infrastructure Security, Wireless Networks, Linux, Remote Access Systems, Mitigation
Advanced · Course · 1 - 3 Months