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: Network Engineering, Network Troubleshooting
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Recurrent Neural Networks (RNNs), Artificial Intelligence and Machine Learning (AI/ML), Vision Transformer (ViT), PyTorch (Machine Learning Library), Keras (Neural Network Library), Large Language Modeling, Natural Language Processing, Embeddings, Network Model, Network Architecture
Intermediate · Course · 1 - 3 Months

ISC2
Skills you'll gain: Cloud Security, Zero Trust Network Access, Hybrid Cloud Computing, Cloud Computing, Cloud Services, Risk Mitigation, Security Strategy, Legal Risk, Regulation and Legal Compliance, Auditing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Teams, Microsoft 365, Team Management, Group Policy, Data Loss Prevention, Azure Active Directory, System Monitoring, User Accounts, Identity and Access Management, Security Management, Authorization (Computing), System Configuration, Collaborative Software, Compliance Management, Product Lifecycle Management, Windows PowerShell, Network Planning And Design, Network Troubleshooting, Technical Support and Services, Data Governance
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Disaster Recovery, Business Continuity, Contingency Planning, Threat Management, Incident Management, Incident Response, Risk Analysis, Key Performance Indicators (KPIs), Vulnerability Assessments, Business Risk Management, Crisis Management, Business Analysis, IT Infrastructure, Test Planning, Product Testing, Operational Risk, Business Process, Performance Metric, Cloud Computing, Information Technology Architecture
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Application Deployment, Cloud Deployment, Kubernetes, Google Cloud Platform, Devops Tools, Network Security
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Microsoft Azure, Internet Of Things, Cloud Services, Network Routing, Data Store, Data Storage, Cloud Solutions
Intermediate · Guided Project · Less Than 2 Hours

The University of Edinburgh
Skills you'll gain: Pulmonology, Chronic Diseases, Respiratory Care, Primary Care, Respiratory Therapy, Patient Evaluation, Rehabilitation, Patient Education And Counseling, Diagnostic Tests, Treatment Planning, Health Equity, Preventative Care, Community Health, Patient-centered Care
Mixed · Course · 1 - 3 Months

Skills you'll gain: Mac OS, Data Management, File Management, Unix Commands, Unix, Application Performance Management, Data Storage, Application Deployment, Data Security, Application Security, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Infrastructure as Code (IaC), Cloud-Native Computing, Devops Tools, YAML, CI/CD, IT Automation, Docker (Software), Containerization, Amazon Web Services, Shell Script, Amazon Elastic Compute Cloud, Command-Line Interface, Data Security, Python Programming, Performance Tuning, Configuration Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Manipulation, Data Transformation, Pivot Tables And Charts, Data Wrangling, Data Cleansing, Data Integration, R Programming, Data Preprocessing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Cybersecurity, Threat Detection, Exploitation techniques, Data Encryption Standard, Threat Modeling, Security Awareness, Cryptography, Cyber Attacks, Data Security, Databases, Malware Protection, Penetration Testing, AI Security, Vulnerability Assessments, Application Security, Security Engineering, Artificial Intelligence, SQL
Beginner · Specialization · 1 - 3 Months