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.

University of London
Skills you'll gain: Key Management, Security Management, Cyber Attacks, Cryptography, Cyber Security Policies, Cybersecurity, Cyber Risk, Encryption, ISO/IEC 27001, Threat Management, Risk Management Framework, Security Controls, Data Integrity
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Management, Cloud Security, Application Security, Open Web Application Security Project (OWASP), Cloud Computing, Cloud Infrastructure, Cloud Applications, Identity and Access Management, Data Integrity, Secure Coding, DevSecOps, Security Awareness, Cloud Computing Architecture, Data Centers, Data Management, IT Security Architecture, General Data Protection Regulation (GDPR), Security Engineering, Cyber Risk, Service Level
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Cloud Computing Architecture, Cloud Security, Cloud Infrastructure, Cloud Computing, Cloud Standards, Cloud Applications, Cloud Platforms, IT Security Architecture, Cloud Services, Cloud Technologies, Infrastructure Security, Cloud Management, Application Security, Data Security, Cybersecurity, Security Controls, Data Integrity, Computer Science, Risk Management Framework, Information Technology
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Security Management, Cyber Attacks, Threat Management, Cybersecurity, Cyber Risk, Risk Management Framework, Risk Management, Incident Response, Vulnerability Management, Risk Mitigation, Security Information and Event Management (SIEM), Security Controls, Computer Security, Enterprise Security, Risk Analysis, Information Assurance, Open Web Application Security Project (OWASP), Asset Protection, Event Monitoring, System Monitoring
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Workflow Management, Incident Response, Security Information and Event Management (SIEM), Event Monitoring, Computer Security Incident Management, Security Management, Cyber Operations, System Monitoring, Cyber Threat Intelligence, Threat Management, Incident Management, Business Process Management, Operational Excellence, Threat Detection, Continuous Monitoring, Governance, Security Strategy, Cloud Deployment, Performance Measurement, Stakeholder Engagement
Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Responsible AI, AI Security, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Governance, Cyber Governance, Law, Regulation, and Compliance, Information Privacy, Regulation and Legal Compliance, Data Governance, Data Security, Machine Learning, Computer Security, Risk Management Framework
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software-Defined Networking, Network Infrastructure, Virtual Networking, Infrastructure Architecture, Network Architecture, General Networking, Network Engineering, Virtualization, Cloud Deployment, Computing Platforms, Digital Transformation
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Network Performance Management, Network Planning And Design, Cloud Computing, Virtual Networking, Virtual Machines, Network Routing
Beginner · Project · Less Than 2 Hours

NVIDIA
Skills you'll gain: OSI Models, TCP/IP, Data Centers, Network Protocols, Network Infrastructure, Local Area Networks, Network Architecture, General Networking, Networking Hardware, Network Planning And Design, Computer Networking, Network Switches, Network Routing, Network Model
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Network Security, Cryptographic Protocols, Virtual Networking, Software-Defined Networking, Network Infrastructure, Network Architecture, Encryption, Network Performance Management, Virtualization, Program Development, Virtual Machines, Open Source Technology, Performance Tuning, Unit Testing
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Routing Protocols, Network Routing, Virtual Local Area Network (VLAN), TCP/IP, Network Administration, Network Switches, General Networking, Network Architecture, OSI Models, Network Routers, Network Planning And Design, Network Engineering, Local Area Networks, Networking Hardware, Computer Networking, Network Infrastructure, Network Model, Network Protocols, Command-Line Interface
Mixed · Course · 1 - 3 Months

Akamai Technologies, Inc.
Skills you'll gain: SQL, Linux, Endpoint Security, Database Management, Incident Response, Relational Databases, Network Security, Database Systems, Vulnerability Scanning, Computer Security Incident Management, Security Management, Databases, Linux Administration, File Systems, Routing Protocols, OSI Models, Application Development, Remote Access Systems, Scripting, Scripting Languages
Beginner · Professional Certificate · 3 - 6 Months