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.

Microsoft
Skills you'll gain: Virtual Networking, Azure Active Directory, Identity and Access Management, Microsoft Azure, Network Troubleshooting, Network Administration, Active Directory, Windows PowerShell, Network Security, Network Planning And Design, Role-Based Access Control (RBAC), Load Balancing, Security Controls
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Local Area Network (VLAN), Network Security, Network Architecture, Routing Protocols, Virtual Private Networks (VPN), General Networking, Virtual Networking, Wireless Networks, Network Switches, Network Administration, Authentications, Network Troubleshooting, Network Routing, Open Shortest Path First (OSPF), Firewall, Networking Hardware, Authorization (Computing), TCP/IP, Computer Networking, Infrastructure Security
Beginner · Specialization · 3 - 6 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Public Key Infrastructure, Cryptography, Public Key Cryptography Standards (PKCS), Cryptographic Protocols, Encryption, Authentications, Data Encryption Standard, Advanced Encryption Standard (AES), Key Management, Network Protocols, Email Security, Cybersecurity, Network Security, Security Software, Data Integrity, Multi-Factor Authentication, Firewall
Build toward a degree
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Azure, Cloud Services, Cloud Infrastructure, Cloud Computing, Infrastructure As A Service (IaaS), Cloud Solutions, Kubernetes, Cloud Platforms, Microsoft 365, Cloud Security, Scalability, Cloud Deployment, Network Security, Network Administration, Virtualization and Virtual Machines, Virtual Networking, Network Routing, Operating System Administration, Load Balancing, Application Development
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, Data Security, AI Security, Docker (Software), Security Management, Software As A Service, Hybrid Cloud Computing, Threat Detection
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Network Security, Cloud Computing, Virtualization, Network Infrastructure, Microsoft Azure, Cloud Services, Firewall, General Networking, Computer Networking, Virtualization and Virtual Machines, Digital Transformation, Networking Hardware, Cybersecurity, Network Architecture, Network Protocols, Virtual Machines, Network Monitoring, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 3 Months

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

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

Illinois Tech
Skills you'll gain: Infrastructure As A Service (IaaS), Virtualization, Platform As A Service (PaaS), Containerization, Cloud-Native Computing, Serverless Computing, Cloud Infrastructure, Network Security, Cloud Services, Cloud Computing, Amazon Web Services, Cloud Management, Infrastructure as Code (IaC), Cloud Computing Architecture, Virtualization and Virtual Machines, Virtual Machines, Network Troubleshooting, Software-Defined Networking, Cloud Security, Network Administration
Build toward a degree
Intermediate · Specialization · 3 - 6 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: 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

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