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: NSX-T Network Virtualization, Virtual Networking, Virtualization, Network Architecture, Disaster Recovery, Software-Defined Networking, Network Security, IT Automation, Software-Defined Data Center (SDDC), Firewall, Security Controls, Information Technology Operations, Network Routing, Digital Transformation, Hybrid Cloud Computing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Intrusion Detection and Prevention, Continuous Monitoring, Threat Management, Firewall, Incident Response, Network Security, Threat Detection, Network Monitoring, System Monitoring, Event Monitoring, Infrastructure Security, Cybersecurity, Anomaly Detection
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Web Services, Distributed Denial-Of-Service (DDoS) Attacks, Infrastructure Security, Cloud Security, Network Security, Application Security, Firewall, Amazon Elastic Compute Cloud, Endpoint Security, Data Security, Security Controls, Network Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Remote Access Systems, Threat Management, Threat Detection, Information Technology Operations, Wireless Networks, Network Security, Information Systems Security, Mobile Security, Security Controls, Virtual Private Networks (VPN), Telecommunications, Network Administration, Network Troubleshooting, Document Management, Malware Protection, Augmented and Virtual Reality (AR/VR), Emerging Technologies, Change Control, Multi-Factor Authentication, System Configuration
Advanced · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Cybersecurity, Network Security, Cryptographic Protocols, Cyber Attacks, Encryption, IT Security Architecture, Identity and Access Management, Threat Management, Threat Detection, Firewall, Key Management, Security Management, Infrastructure Security, Security Controls, Network Planning And Design, Authorization (Computing), Public Key Infrastructure, Authentications, Risk Management Framework
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Security, Virtualization, Augmented and Virtual Reality (AR/VR), Cloud Computing Architecture, Virtualization and Virtual Machines, Network Administration, Cloud Computing, Firewall, Virtual Networking, Network Architecture, Virtual Private Networks (VPN), Mobile Security, Network Infrastructure, Cloud Services, General Networking, Augmented Reality, Cloud Security, Security Controls, Network Protocols, Peripheral Devices
Intermediate · Course · 1 - 3 Months

New York University
Skills you'll gain: Cyber Attacks, Infrastructure Security, Mobile Security, Enterprise Security, Cyber Risk, Cyber Governance, Cyber Security Policies, Cybersecurity, IT Security Architecture, Cloud Security, NIST 800-53, Hybrid Cloud Computing, Security Awareness, Security Controls, Risk Management Framework, Blockchain, Internet Of Things, Cryptographic Protocols, Cryptography, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: General Networking, Network Architecture, Threat Management, Cybersecurity, Networking Hardware, Information Technology, Computer Networking, Network Security, Threat Detection, Network Routers, Security Controls, Cyber Attacks, Network Switches, Diagram Design, Firewall, Security Software, Security Strategy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Network Monitoring, Network Security, Firewall, Ansible, Network Performance Management, Network Infrastructure, Network Protocols, Security Controls, Event Monitoring, Puppet (Configuration Management Tool), IT Automation, Chef (Configuration Management Tool), Real Time Data, JSON, Automation, Identity and Access Management, Restful API, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Centers, Network Security, Network Administration, Virtualization and Virtual Machines, Network Troubleshooting, Virtual Machines, Network Monitoring, Wide Area Networks, Virtualization, Wireless Networks, Firewall, Event Monitoring, Cloud Infrastructure, Hardening, IT Security Architecture, Network Infrastructure, Virtual Private Networks (VPN), TCP/IP, Cloud Computing, Information Technology Operations
Advanced · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Network Security, Network Routing, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Network Monitoring, Firewall, Network Infrastructure, Network Troubleshooting, Border Gateway Protocol, Network Performance Management, Security Controls, Network Analysis, Authentications, Encryption
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Cryptography, Cryptographic Protocols, Key Management, Security Engineering, Threat Modeling, Security Management, Authorization (Computing), Encryption, Email Security, Data Integrity, Authentications
Intermediate · Course · 1 - 4 Weeks