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: Law, Regulation, and Compliance, Risk Management Framework, Business Risk Management, Regulation and Legal Compliance, Risk Analysis, Legal Risk, Consulting, Risk Management, Investigation, Business Consulting, Security Strategy, Cyber Security Policies, Security Management, Crisis Management, Regulatory Requirements, Management Consulting, Enterprise Security, Threat Management, Business Planning, Compliance Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Network Routers, Network Architecture, Networking Hardware, Network Administration, Network Routing, Computer Networking, Virtual Networking, General Networking, Network Switches, Command-Line Interface
★ 4.5 (36) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Penetration Testing, Record Keeping, Vulnerability Scanning, Security Testing, Data Management, Cloud Management, Threat Management, Cyber Security Assessment, Records Management, Cloud Computing Architecture, Authentications, Firewall, Cyber Attacks, Cybersecurity, Cyber Threat Intelligence, Authorization (Computing), Generative Adversarial Networks (GANs), Active Directory, Data Ethics, AI Security
★ 4.8 (51) · Beginner · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Threat Management, Cyber Threat Intelligence, Information Systems Security, Security Controls, Encryption, Financial Regulation, Regulatory Compliance, Quantum computing
Advanced · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Cloud Security, Open Web Application Security Project (OWASP), Data Governance, Data Management, Data Security, Cloud API, Secure Coding, Application Security, DevSecOps, Cloud Applications, Key Management, Encryption, Information Privacy, OAuth, Cloud Storage, API Gateway, Threat Modeling, Data Encryption Standard, Risk Management Framework
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, Data Integrity, Threat Management, Data Storage, Security Controls, Threat Detection, Record Keeping, Identity and Access Management
★ 4.8 (22) · Advanced · Course · 1 - 4 Weeks

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

Skills you'll gain: Security Management, Incident Response, Vulnerability Assessments, Computer Security Incident Management, Threat Management, IT Management, Vulnerability Management, Security Strategy, Cyber Governance, Risk Management Framework, Cyber Security Strategy, Cyber Security Policies, Information Assurance, Security Controls, Cyber Risk, Disaster Recovery
★ 4.5 (30) · Intermediate · Course · 1 - 4 Weeks

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: Linux Administration, Linux, User Accounts, Identity and Access Management, Authentications, Virtual Machines, Authorization (Computing), Virtualization, Operating System Administration, Security Controls, System Configuration, Virtual Environment, Command-Line Interface, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: DevSecOps, Continuous Delivery, Continuous Integration, Test Tools, Software Quality Assurance, DevOps, Software Quality (SQA/SQC), Security Testing, Test Automation, Quality Assurance, Application Security, Software Testing, AI Integrations, Continuous Monitoring, Continuous Deployment, Site Reliability Engineering, Devops Tools, Software Development, Software Development Tools, Security Controls
Intermediate · Course · 3 - 6 Months

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