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.

Check Point Software Technologies Ltd.
Skills you'll gain: Threat Management, Threat Detection, Security Controls, Cyber Security Policies, Intrusion Detection and Prevention, Network Troubleshooting, Identity and Access Management, Firewall, Security Management, Infrastructure Security, Network Administration, System Configuration, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Mobile Security, Wireless Networks, Network Security, Application Security, Internet Of Things, Cybersecurity, Infrastructure Security, Android (Operating System), Exploitation techniques, Vulnerability Assessments, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Cyber Security Assessment, Incident Response, Firewall, Vulnerability Scanning, Network Protocols, Brute-force attacks, Vulnerability Assessments, Malware Protection, Virtualization and Virtual Machines, Linux Commands
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Security, MITRE ATT&CK Framework, Penetration Testing, Incident Response, Cyber Threat Hunting, Cybersecurity, Cyber Threat Intelligence, DevSecOps, Digital Forensics, Cloud Security, Patch Management, Cyber Security Assessment, Exploitation techniques, Network Security, Computer Security Incident Management, Business Continuity, Cryptography, Responsible AI, DevOps, Disaster Recovery
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cloud Security, Internet Of Things, Network Security, Application Security, Security Engineering, Information Systems Security, Data Security, Cloud Services, Infrastructure Security, Cloud Computing, Application Design, Time Series Analysis and Forecasting, Encryption, Cryptography, Data Analysis, Identity and Access Management, Data Integrity, Authentications, Vulnerability Assessments
Beginner · Course · 1 - 3 Months

Skills you'll gain: Juniper Network Technologies, Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Border Gateway Protocol, Routing Protocols, Network Switches, Network Routing, Local Area Networks, TCP/IP, Network Architecture, Virtual Private Networks (VPN), OSI Models, Network Administration, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Network Security, Network Troubleshooting, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Exploitation techniques, Cyber Security Assessment, Vulnerability Assessments, Mobile Security, Open Web Application Security Project (OWASP), Cloud Security, Threat Modeling, Infrastructure Security, Application Security, Network Security, Scripting, Technical Communication
Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Identity and Access Management, Cloud Security, Key Management, Network Security, Cloud Computing, Multi-Factor Authentication, Network Monitoring, Firewall, Authentications, Network Protocols, Encryption
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Cloud, Oracle Databases, Cloud Computing, Data Architecture, Strategic Partnership, Cloud Security, Database Architecture and Administration, Database Management, Cloud Infrastructure, Cloud Deployment, Scalability, Data Security, Enterprise Architecture
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: vSphere Networking and Storage, Virtual Networking, vSphere DRS & HA, Storage vMotion, Role-Based Access Control (RBAC), Virtual Local Area Network (VLAN), Virtual Machines, Performance Tuning, Network Switches, Security Controls, Network Troubleshooting, Infrastructure Security, Data Storage Technologies, Capacity Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Threat Management, Microsoft Azure, Cloud Security, Key Management, Data Security, Security Information and Event Management (SIEM), Data Structures, Role-Based Access Control (RBAC), Continuous Monitoring, Query Languages
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Digital Communications, OSI Models, Network Protocols, TCP/IP, Network Routing, Network Architecture, Network Planning And Design, Computer Networking, System Programming, Data Integrity
Intermediate · Course · 1 - 3 Months