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.

Cisco Learning and Certifications
Skills you'll gain: Network Performance Management, Wireless Networks, Network Infrastructure, Wide Area Networks, Network Planning And Design, Software-Defined Data Center (SDDC), Local Area Networks, Network Protocols, Software-Defined Networking, Computer Networking, Service Level, Telecommunications
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Threat Management, Vulnerability Assessments, Incident Response, Incident Management, Computer Security Incident Management, Vulnerability Management, Threat Detection, Cyber Security Assessment, Risk Mitigation, Security Management, Security Strategy, Digital Forensics
Advanced · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Performance Management, Wide Area Networks, TCP/IP, Network Routing, Network Routers, Network Infrastructure, Local Area Networks, Computer Networking, Network Protocols, Telecommunications, Service Level
Beginner · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Cloud Security, Application Security, Network Security, Computer Security, Cloud Computing, Cybersecurity, Security Controls, Infrastructure Security, Remote Access Systems, Cyber Attacks, Public Key Infrastructure, Hardening, Cryptography, Vulnerability Management, Private Cloud, Cryptographic Protocols, Vulnerability Assessments, Virtualization, Virtual Machines, Authentications
★ 4.4 (112) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Network Architecture, Network Planning And Design, Virtual Networking, Network Infrastructure, Google Cloud Platform, General Networking, Network Routing, Computer Networking, Cloud Infrastructure, Network Security, Network Troubleshooting, Security Requirements Analysis, Network Model, Network Analysis, Firewall, Load Balancing, Hybrid Cloud Computing, Scalability
★ 4.8 (9) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Infrastructure, Identity and Access Management, Data Loss Prevention, Distributed Denial-Of-Service (DDoS) Attacks, Prompt Engineering, Kubernetes, Prompt Engineering Tools, Cloud Security, Containerization, Infrastructure As A Service (IaaS), Prompt Patterns, OAuth, Cloud Platforms, Cloud Storage, Cloud Services, Security Controls, Threat Management, Application Security, Data Security
★ 4.7 (50K) · Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Gmail, Email Security, Google Workspace, Mobile Security, Security Management, Cloud Security, Application Security, Data Security, Security Controls, OAuth, Endpoint Security, Identity and Access Management, Authentications, Data Loss Prevention, Multi-Factor Authentication
★ 4.7 (813) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Azure, Azure DevOps, Azure DevOps Pipelines, Microsoft Power Platform, Enterprise Architecture, Power BI, Data Architecture, Enterprise Application Management, Git (Version Control System), Application Deployment, Continuous Deployment, Capacity Management, Version Control, Solution Delivery, Solution Architecture, Data Management, Data Pipelines, Process Validation, Data Security, Data Integrity
Advanced · Course · 3 - 6 Months

Macquarie University
Skills you'll gain: DevSecOps, Secure Coding, Cryptography, Application Security, Security Testing, IT Security Architecture, Cyber Threat Intelligence, Cyber Risk, Encryption, Network Security, AI Integrations, DevOps, Cybersecurity, CI/CD, Security Awareness, Cloud Security, Software Development, Security Controls, Artificial Intelligence and Machine Learning (AI/ML), Software Architecture
★ 4.7 (43) · Beginner · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Security Strategy, Cyber Governance, Threat Management, Security Management, Cyber Risk, Compliance Management, Risk Management, Regulatory Compliance, Cyber Security Policies, Cybersecurity, Law, Regulation, and Compliance, Cyber Security Strategy, Governance, Security Controls, Procedure Development, Regulation and Legal Compliance, Program Standards, Regulatory Requirements
★ 4.6 (180) · Mixed · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Cyber Risk, Security Awareness, Cyber Attacks, Mobile Security, Cybersecurity, Cyber Security Assessment, Cyber Security Policies, Cyber Threat Hunting, Data Security, Security Strategy, Email Security, Authentications, Security Management
★ 4.7 (51) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Incident Response, Computer Security Incident Management, Intrusion Detection and Prevention, Event Monitoring, Cybersecurity, Anomaly Detection, Incident Management, Cyber Security Strategy, Threat Detection, Cyber Security Policies, Security Management, Network Analysis, AI Security, Network Security, Network Monitoring, Cloud Security
Intermediate · Course · 1 - 3 Months