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 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

Macquarie University
Skills you'll gain: Cyber Security Strategy, Cyber Threat Intelligence, Intrusion Detection and Prevention, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Threat Modeling, Machine Learning Methods
Intermediate · Course · 1 - 3 Months

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

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

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

Skills you'll gain: Data Governance, Health Information Management, Cloud Security, Health Care, Data Architecture, Identity and Access Management, Real Time Data, Scalability, Health Care Procedure and Regulation, Medical Records, Data Management, Data Sharing, Clinical Data Management, Microsoft Azure, Role-Based Access Control (RBAC), Regulatory Compliance, Information Privacy, Interoperability, Security Management, Encryption
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, Penetration Testing, Security Testing, Application Security, Cyber Security Assessment, Payment Systems, Continuous Monitoring, Blockchain, Incident Response, Vulnerability Scanning, Code Review, Data Validation
Intermediate · Course · 1 - 4 Weeks

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

Packt
Skills you'll gain: Amazon Web Services, Disaster Recovery, Amazon CloudWatch, Security Information and Event Management (SIEM), Intrusion Detection and Prevention, Configuration Management, Automation
Intermediate · Course · 1 - 3 Months

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