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.

LearnQuest
Skills you'll gain: Threat Modeling, Remote Access Systems, Vulnerability Assessments, Threat Detection, Security Strategy, Cyber Security Assessment, Cybersecurity, Security Software, Security Management, Infrastructure Security, Telecommuting, Cyber Risk, Cyber Attacks, Security Awareness, Security Controls, Risk Management Framework
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Cyber Threat Intelligence, Threat Management, Threat Detection, Cybersecurity, Security Testing, IT Security Architecture, Cyber Security Assessment, Cyber Security Strategy, Security Strategy, Security Management, Cyber Risk, Risk Management Framework, Risk Management, Information Systems Security, Vulnerability Scanning, Vulnerability Assessments, Security Controls, Penetration Testing, Incident Response, Vendor Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PostgreSQL, Data Maintenance, Database Administration, Database Architecture and Administration, SQL, Disaster Recovery, Secure Coding, Database Management, Relational Databases, Database Management Systems, Query Languages, Security Controls, Data Access, Data Security, Application Security, Role-Based Access Control (RBAC), Threat Management, Threat Detection, Encryption
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Event Monitoring, Security Strategy, Incident Response, Security Management, Cyber Security Policies, Command-Line Interface, System Monitoring, Configuration Management, User Interface (UI), Simulations
Intermediate · Course · 1 - 4 Weeks

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

LearnKartS
Skills you'll gain: Salesforce, Authentications, Salesforce Development, Data Access, Role-Based Access Control (RBAC), Enterprise Security, Identity and Access Management, Security Controls, Data Security, Authorization (Computing), Event Monitoring, Continuous Monitoring, Application Security, Web Components, Data Sharing, User Provisioning, Responsive Web Design, User Accounts, Mobile Development, Customer Relationship Management (CRM) Software
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Linux Administration, Linux, Linux Servers, Ubuntu, Operating System Administration, Red Hat Enterprise Linux, Unix, User Accounts, Linux Commands, User Provisioning, Systems Administration, System Configuration, Hardening, Security Controls, Authorization (Computing), Network Administration, Software Installation, Package and Software Management, Authentications, Open Source Technology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cryptographic Protocols, Blockchain, Business Continuity Planning, Business Continuity, Cryptography, Disaster Recovery, Data Management, Digital Assets, Vulnerability Assessments, Regulatory Compliance, Enterprise Security, Threat Modeling, Asset Protection, Vulnerability Management, Regulation and Legal Compliance, Data Security, Law, Regulation, and Compliance, Application Security, Application Frameworks, Cybersecurity
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Network Planning And Design, Network Engineering, Virtual Networking, Cloud Computing Architecture, Network Architecture, Network Monitoring, Cloud Engineering, Network Troubleshooting, Virtual Private Networks (VPN), Network Administration, Cloud Security, Google Cloud Platform, Cloud Infrastructure, Hybrid Cloud Computing, Network Performance Management, Network Support, Network Security, Event Monitoring, Kubernetes, Firewall
Advanced · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Risk Management, Security Strategy, Risk Analysis, Security Management, Business Risk Management, Risk Mitigation, Security Controls, Threat Management, Cyber Security Strategy, Vulnerability Management, IT Management, Asset Protection, Information Assurance, Asset Management, Security Engineering, Auditing, Business Priorities, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operations Research, Supply Chain Systems, Supply Chain, Supply Chain Management, Supply Chain Planning, Operational Analysis, Process Optimization, Model Optimization, Capacity Planning, Production Planning, Data Analysis, R Programming
Beginner · Guided Project · Less Than 2 Hours