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.

AI CERTs
Skills you'll gain: Cyber Threat Intelligence, Cyber Security Strategy, Encryption
Advanced · Course · 1 - 3 Months

Skills you'll gain: Security Controls, Continuous Monitoring, Security Management, Vulnerability Management, Authorization (Computing), Anomaly Detection
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Infrastructure Security, Cyber Attacks, Cyber Operations, Cyber Risk, Cyber Security Policies, Cyber Governance, Incident Response, Risk Management Framework, Technology Solutions, Legal Risk
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Data Security, Personally Identifiable Information, Information Assurance, Security Management, Data Governance, Data Loss Prevention, Data Management, Threat Management, Threat Detection, Encryption, Identity and Access Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: System Monitoring, Computer Security Incident Management, Network Analysis, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Cloud Computing, Linux Commands, Linux Administration, Linux Servers, Cloud Security, Operating Systems, Windows PowerShell, Windows Servers, File Systems, System Software, Mac OS, Command-Line Interface, Active Directory, Computer Systems, Virtual Machines, Firewall, Virtualization, Containerization, User Accounts
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Security, Google Cloud Platform, Data Lakes, Cloud Storage, Data Security, Data Access, Role-Based Access Control (RBAC), Cloud Computing, Big Data, Data Analysis
Beginner · Project · Less Than 2 Hours

Pearson
Skills you'll gain: File Management, Firewall, Linux Administration, Ubuntu, Hardening, Linux Servers, OS Process Management, Linux, Authentications, Zero Trust Network Access, Remote Access Systems, Data Security, User Accounts, Network Security, Linux Commands, Application Security, Security Strategy, Operating System Administration, Information Systems Security, IT Security Architecture
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Threat Modeling, MITRE ATT&CK Framework, Kubernetes, Role-Based Access Control (RBAC), Hardening, Incident Response, Identity and Access Management, Infrastructure Security, Network Security, DevSecOps, Cloud-Native Computing, Threat Detection, Public Key Infrastructure, Cloud Security, Firewall, Continuous Monitoring, Cyber Security Policies, Security Controls, Application Security
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Governance Risk Management and Compliance, Security Management, Compliance Management, Risk Appetite, Risk Analysis, Risk Mitigation, Business Risk Management, Cyber Governance, Compliance Auditing, Cyber Security Policies, Governance, Data Governance, Security Controls, Vulnerability Assessments, Security Awareness, Vendor Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Network Routers, Network Architecture, Networking Hardware, Network Administration, Computer Networking, TCP/IP, General Networking, Network Switches, Network Planning And Design, Command-Line Interface
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Linux Administration, Docker (Software), Containerization, Linux, Network Troubleshooting, Linux Servers, Ansible, Kubernetes, Authentications, Infrastructure as Code (IaC), Network Administration, System Configuration, Remote Access Systems, Multi-Factor Authentication, Network Protocols, Network Security, Security Controls, Firewall, Web Servers, Encryption
Advanced · Course · 1 - 4 Weeks