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.

EC-Council
Skills you'll gain: Penetration Testing, Threat Management, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Vulnerability Assessments, Security Testing, Network Security, Cyber Security Assessment, Cybersecurity, Cloud Computing, Cyber Attacks, Brute-force attacks, Exploitation techniques, Human Factors (Security), Web Applications, Mobile Security, Internet Of Things, Wireless Networks
Beginner · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Cyber Threat Hunting, Computer Security Incident Management, Incident Management, Cyber Threat Intelligence, Threat Detection, Threat Management, Security Management, Cybersecurity, Scenario Testing, Technical Communication, Simulations
Advanced · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Network Troubleshooting, Performance Tuning, Docker (Software), Virtual Networking, Network Administration, Network Security, Network Performance Management, Containerization, Application Deployment, General Networking, Hardware Troubleshooting, Security Controls, Scenario Testing, Real Time Data
Beginner · Course · 1 - 4 Weeks

Palo Alto Networks
Skills you'll gain: Network Security, Cloud Security, Cybersecurity, Cloud Deployment, Cloud Technologies, Network Administration, IT Security Architecture, Cloud Infrastructure, Firewall, Endpoint Detection and Response, Cloud Services, Computer Security, Network Infrastructure, Security Software, Data Security, AI Security, Docker (Software), Security Management, Software As A Service, Hybrid Cloud Computing
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Database Administration, Database Management, Relational Databases, SQL, Google Cloud Platform, Operational Databases, Database Design, Database Architecture and Administration, MySQL, Database Management Systems, System Configuration, Data Migration, Cloud Deployment, Database Software, Network Administration, Data Maintenance, Security Controls, Data Import/Export, Data Storage, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Network Security, Firewall, IT Security Architecture, Distributed Denial-Of-Service (DDoS) Attacks, Network Architecture, Intrusion Detection and Prevention, TCP/IP, Cybersecurity, Threat Detection, Cyber Threat Intelligence, Cyber Attacks, Security Controls, Enterprise Security, Network Protocols, Proxy Servers
Intermediate · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Cyber Security Strategy, Cybersecurity, Mobile Security, Cyber Attacks, Cyber Threat Intelligence, Security Management, Network Security, Cyber Security Policies, Internet Of Things, Cyber Governance, Digital Transformation, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Vulnerability Assessments, Vulnerability Scanning, Cyber Security Assessment, Network Monitoring, Penetration Testing, Virtual Private Networks (VPN), Command-Line Interface, Linux Commands, Security Testing, Cyber Operations, Cybersecurity, Information Systems Security, Linux, Software Installation, Network Security, Linux Administration, Network Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Wide Area Networks, Network Security, Network Routing, Data Centers, Virtual Networking, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Machines, Virtual Local Area Network (VLAN), Virtualization, Virtual Private Networks (VPN), Wireless Networks, Network Monitoring, Network Troubleshooting, Network Architecture, Hardware Troubleshooting
Beginner · Specialization · 3 - 6 Months

Erasmus University Rotterdam
Skills you'll gain: Email Security, Human Factors (Security), Cyber Security Policies, Cybersecurity, Cyber Attacks, Security Awareness, Cyber Risk, Computer Security Awareness Training, Threat Management, Patient Safety, Malware Protection, Security Controls, Encryption, Health Technology, Data Security, Information Privacy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Security, Open Shortest Path First (OSPF), Network Performance Management, Network Monitoring, Network Planning And Design, Network Engineering, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption, System Configuration, Authentications, Scalability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cyber Governance, Cybersecurity, Cyber Security Policies, Intrusion Detection and Prevention, Cryptography, Network Security, Cyber Risk, Cryptographic Protocols, Cyber Attacks, IT Security Architecture, Cyber Security Assessment, Cyber Security Strategy, Threat Management, Risk Management Framework, Threat Detection, Encryption, Incident Response
Beginner · Course · 1 - 4 Weeks