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: Intrusion Detection and Prevention, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Cyber Security Assessment, Exploitation techniques, Vulnerability Assessments, Intrusion Detection and Prevention, Brute-force attacks, Application Security, Network Security, Virtual Local Area Network (VLAN), Cloud Security, API Testing, Wireless Networks
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Assessments, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Scanning, Vulnerability Management, Cybersecurity, Malware Protection, Penetration Testing, Exploitation techniques, Threat Detection, Threat Management, Brute-force attacks, Network Security, Information Systems Security, Security Awareness, Network Protocols
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Identity and Access Management, Virtual Networking, Network Monitoring, Google Cloud Platform, Network Administration, Virtual Private Networks (VPN), General Networking, Network Troubleshooting, Network Security, Network Architecture, Cloud Computing, Cloud Security, Firewall, Cloud Management, Key Management, Load Balancing, DevOps, Encryption, Automation
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Continuous Monitoring, Cloud Security, Disaster Recovery, Network Security, Cloud Services, AI Security, Security Strategy, Cloud Computing Architecture, Cloud Computing, Hybrid Cloud Computing, Infrastructure Security, Cybersecurity, Security Management, Threat Detection, Cloud Management, Encryption, Identity and Access Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Network Security, Virtual Local Area Network (VLAN), Network Planning And Design, Network Architecture, Network Routers, Infrastructure Security, General Networking, Authentications, Network Switches
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cryptography, Cybersecurity, Network Security, Threat Modeling, Encryption, Identity and Access Management, Information Systems Security, Threat Detection, Firewall, Infrastructure Security, Security Controls, Security Strategy, Authorization (Computing), Authentications, Security Awareness, Risk Management Framework
Beginner · Course · 1 - 3 Months

Skills you'll gain: Remote Access Systems, Network Troubleshooting, Network Administration, Virtual Private Networks (VPN), Hardening, TCP/IP, Cybersecurity, Dynamic Host Configuration Protocol (DHCP), Human Factors (Security), Technical Support and Services, Encryption, Command-Line Interface, Authentications, Wireless Networks
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Network Monitoring, Network Administration, Network Security, Firewall, Ansible, System Monitoring, Network Protocols, Security Controls, Software-Defined Networking, Puppet (Configuration Management Tool), Chef (Configuration Management Tool), Network Switches, Real Time Data, Authentications, Scripting, JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Ansible, Puppet (Configuration Management Tool), Software-Defined Networking, Network Administration, Security Awareness, Chef (Configuration Management Tool), Information Systems Security, Virtual Private Networks (VPN), JSON, Authentications, Computer Networking, Authorization (Computing), Automation, Configuration Management, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Cloud Computing Architecture, Cloud Security, Cyber Threat Intelligence, Vulnerability Assessments, Cyber Attacks, Zero Trust Network Access, Cybersecurity, Network Security, Cloud Deployment, Infrastructure Security, Mobile Security, Security Controls, Disaster Recovery
Intermediate · Course · 1 - 3 Months