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: Endpoint Security, Computer Security Incident Management, Mobile Security, Security Awareness, Malware Protection, Operating System Administration, Email Security, Android (Operating System), Data Maintenance, Multi-Factor Authentication, System Configuration, Apple iOS, Hardware Troubleshooting, Network Administration, Authentications, Change Control
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Data Security, Security Testing, Data Ethics, Cyber Security Strategy, Cyber Threat Intelligence, Security Controls, Cyber Risk, Data Sharing, Intrusion Detection and Prevention, Cyber Attacks, Cybersecurity, Cyber Threat Hunting, Cyber Governance, Security Management, Artificial Intelligence and Machine Learning (AI/ML), Security Awareness, Security Strategy, AI Product Strategy, Security Software, Generative AI
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Salesforce, Salesforce Development, Workflow Management, Operational Efficiency, Data Access, Business Process Automation, Data Security, Data Sharing, Application Security, Role-Based Access Control (RBAC), IT Automation, Automation, Security Management, Customer Relationship Management (CRM) Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Mac OS, Network Security, Threat Management, Endpoint Security, Threat Detection, Computer Security Awareness Training, Security Strategy, Information Systems Security, Security Controls, Network Protocols, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Contingency Planning, Business Continuity Planning, Computer Security Incident Management, Security Management, Incident Response, Disaster Recovery, Data Centers, Incident Management, Security Controls, Information Systems Security, Infrastructure Security, Configuration Management, Data Security, Change Control, Digital Forensics
Advanced · Course · 1 - 4 Weeks

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: 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

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

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: Operations Research, Supply Chain, Supply Chain Management, Supply Chain Planning, Operational Analysis, Process Improvement and Optimization, Capacity Planning, Production Planning, Data Analysis, R Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Secure Coding, Open Web Application Security Project (OWASP), Exploit development, Threat Detection, Penetration Testing, DevSecOps, Cloud Security, Exploitation techniques, Vulnerability Scanning, Security Testing, Application Security, Incident Response, Security Engineering, Vulnerability Assessments, Python Programming, Web Scraping, Encryption, Automation
Beginner · Course · 1 - 3 Months