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.

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
★ 4.6 (5.7K) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: CI/CD, Continuous Deployment, Application Deployment, Cloud Deployment, Restful API, Middleware, Continuous Integration, Software Testing, API Design, Azure DevOps, Postman API Platform, API Testing, .NET Framework, Microservices
Intermediate · Course · 1 - 3 Months

Macquarie University
★ 4.6 (31) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Risk Management Framework, Cyber Security Strategy, Cyber Threat Intelligence, Threat Modeling, Security Strategy, Security Awareness, Cybersecurity, Security Engineering, IT Security Architecture, Zero Trust Network Access, Threat Management, Human Factors (Security), Security Controls, Threat Detection, Network Security, Information Systems Security, Incident Response, Enterprise Security, Continuous Monitoring
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), DevSecOps, Secure Coding, Application Security, Threat Detection, Security Testing, Security Engineering, Continuous Delivery, Continuous Integration, Vulnerability Assessments, CI/CD, Vulnerability Scanning, Continuous Deployment
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Application Security, Open Web Application Security Project (OWASP), Secure Coding, Authentications, OAuth, Development Testing, Software Development Life Cycle, Unified Modeling Language, Authorization (Computing), Single Sign-On (SSO), Security Software, Software Development, Vulnerability Assessments, Data Validation, Cyber Security Assessment, Cyber Security Strategy, Cybersecurity, Role-Based Access Control (RBAC)
Intermediate · Course · 3 - 6 Months

Pragmatic AI Labs
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Controls, Continuous Monitoring, Security Management, Vulnerability Management, Authorization (Computing), Anomaly Detection
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, OAuth, Data Validation, Authentications, Security Testing, Secure Coding, Web Applications, Authorization (Computing), Vulnerability Scanning, Cyber Attacks, Distributed Denial-Of-Service (DDoS) Attacks, Server Side, Security Strategy
★ 4.9 (17) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, Incident Response, MITRE ATT&CK Framework, Security Controls, Cryptography, Malware Protection, Threat Modeling, Endpoint Security, Key Management, Authorization (Computing), Public Key Infrastructure, Vulnerability Assessments, Risk Management, Network Security, Application Security, Business Continuity Planning, Asset Management, Cloud Security, OSI Models, Continuous Monitoring
★ 4.7 (297) · Beginner · Specialization · 1 - 3 Months

CertNexus
Skills you'll gain: Application Security, Human Factors (Security), Secure Coding, Open Web Application Security Project (OWASP), Vulnerability, Computer Security, Vulnerability Management, Vulnerability Assessments, Data Security, Security Strategy, Security Controls, Cyber Security Strategy, Application Design, Computer Programming, Design, Python Programming, Javascript, Design Strategies, JavaScript Frameworks, Node.JS
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Infrastructure, Cloud Infrastructure, Capacity Planning, Infrastructure as Code (IaC), Database Architecture and Administration, Cloud Security, Disaster Recovery, Capacity Management, Terraform, Data Security, Site Reliability Engineering, Security Requirements Analysis, Problem Management, Solution Architecture, Performance Tuning, Data Integrity, Resource Management, Business Continuity Planning, Performance Analysis, Cost Benefit Analysis
Advanced · Course · 1 - 3 Months