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: Linux Administration, Linux, Package and Software Management, Remote Access Systems, File Management, Linux Commands, Operating System Administration, OS Process Management, Ubuntu, Red Hat Enterprise Linux, Systems Administration, System Monitoring, File Systems, General Networking, Event Monitoring, System Configuration, Network Troubleshooting, Software Installation, Service Management
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Web Frameworks, Authentications, Application Frameworks, Web Applications, Web Development, Python Programming, Back-End Web Development, Maintainability, Unit Testing, Authorization (Computing), Identity and Access Management, Development Testing, Functional Testing, White-Box Testing, Application Security, Configuration Management, File Management
★ 4.7 (21) · Advanced · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Operating Systems, Data Maintenance, Package and Software Management, File Management
★ 4.8 (24) · Beginner · Course · 1 - 4 Weeks

SAE Institute México
Skills you'll gain: Cyber Attacks, Cyber Security Policies, Cybersecurity, Incident Response, Incident Management, Computer Security Incident Management, Mobile Security, Threat Management, Computer Security Awareness Training, Cyber Risk, Personally Identifiable Information, Threat Detection, Data Security, Law, Regulation, and Compliance, Security Software, Security Awareness, General Data Protection Regulation (GDPR), Security Controls, Information Assurance, Firewall
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Meta Ads Manager, Social Media Management, Instagram, Social Media, Account Management, Social Media Marketing, User Accounts, Security Controls, User Provisioning, Marketing Analytics, Online Advertising, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Merchandising, E-Commerce, Web Applications, Scalability, Business Technologies, Technology Solutions, Application Frameworks, Application Development, Systems Integration, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Workspace, Email Security, User Accounts, User Provisioning, Collaborative Software, Gmail, Authentications, Identity and Access Management, Security Controls, Multi-Factor Authentication, Security Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Simulations, Data Analysis, Process Analysis, Plot (Graphics), Statistical Methods, R Programming, Statistical Analysis, R (Software), Data Visualization, Process Modeling
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Verification And Validation, Linux Commands, Command-Line Interface, Virtual Machines
★ 4.9 (19) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Recurrent Neural Networks (RNNs), Tensorflow, Natural Language Processing, Deep Learning, Autoencoders, Time Series Analysis and Forecasting, Artificial Neural Networks, Machine Learning, Embeddings, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Docker (Software), Containerization, DevOps, Devops Tools, Kubernetes, Command-Line Interface, Application Deployment, Virtual Machines, Virtualization and Virtual Machines, Network Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Solution Architecture, Software Architecture, Zero Trust Network Access, Cloud Computing Architecture, Distributed Computing, Network Monitoring, Network Security, System Monitoring, Network Architecture, Enterprise Architecture, Data Security, Infrastructure Architecture, Network Performance Management, Cloud-Native Computing, IT Automation, Virtual Networking, Application Design, Internet Of Things, AI Integrations, Design
Advanced · Course · 1 - 3 Months