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.

Johns Hopkins University
Skills you'll gain: Scientific Visualization, Data Visualization Software, Data Visualization, Visualization (Computer Graphics), Interactive Data Visualization, Computer Displays, Data Presentation, Time Series Analysis and Forecasting, Display Devices, Scalability, Data Validation, Computer Graphics, 3D Modeling, Medical Imaging, X-Ray Computed Tomography, Magnetic Resonance Imaging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Mitigation, Cyber Threat Hunting, Digital Forensics, Cybersecurity, Security Information and Event Management (SIEM), Intrusion Detection and Prevention, Incident Management, Criminal Investigation and Forensics, Information Systems Security, Continuous Monitoring, Cyber Attacks, Computer Security, Network Security, Analysis, Network Analysis, Linux Commands, Bash (Scripting Language), Windows PowerShell
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, AI Orchestration, Agentic Workflows, AI Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Encryption, Secure Coding, File Management, Cryptography, Python Programming, Programming Principles, Debugging, Scripting, Software Testing, Data Structures
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management, Governance, ISO/IEC 27001, Enterprise Risk Management (ERM), Cyber Governance, NIST 800-53, Cyber Risk, Compliance Management, Security Controls, Program Implementation, Regulatory Compliance, Cybersecurity, Cyber Security Strategy, Business Continuity, Asset Management
Intermediate · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Financial Market, Portfolio Management, Investments, Equities, Portfolio Risk, Market Liquidity, Capital Markets, Finance, Risk Analysis, Economics, Probability Distribution, Decision Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud-Native Computing, Application Deployment, Kubernetes, Containerization, Serverless Computing, CI/CD, DevOps, Prometheus (Software), Infrastructure Security, YAML, Microservices, System Monitoring, Grafana, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Linux Servers, Cloud Infrastructure, Cloud Computing, Linux, Ubuntu, Operating System Administration, Cloud Platforms, Infrastructure As A Service (IaaS), Cloud Deployment, Scalability, Server Administration, Web Servers, Apache, Firewall, NoSQL, PHP (Scripting Language)
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Kubernetes, Private Cloud, Containerization, Google Cloud Platform, Network Security, Cloud Infrastructure, Cloud Computing Architecture, Virtual Networking, Cloud Computing
Intermediate · Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Encryption, Cryptography, Security Engineering, Data Security, Cybersecurity
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Network Troubleshooting, Cloud Computing, Cloud Management, Cloud Security, Capacity Management, Scenario Testing, Automation, Performance Tuning, Performance Testing, Data Security, Network Security, Application Deployment, Configuration Management
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Continuous Integration, CI/CD, Jenkins, Test Automation, GitLab, Continuous Delivery, Continuous Deployment, Agile Software Development, Unit Testing, DevSecOps, Integration Testing, Software Development, Git (Version Control System), Application Deployment, Application Security, Automation, Debugging, Scalability
Intermediate · Course · 1 - 4 Weeks