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.

DeepLearning.AI
Skills you'll gain: Computer Vision, Tensorflow, Image Analysis, Transfer Learning, Convolutional Neural Networks, Keras (Neural Network Library), Deep Learning, Classification Algorithms, Model Evaluation, Visualization (Computer Graphics), Network Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Lightweight Directory Access Protocols, System Monitoring, Scripting, Dashboard, Business Intelligence, Scatter Plots, Pivot Tables And Charts, Servers, Data Visualization Software, Data-Driven Decision-Making, Software Installation, Role-Based Access Control (RBAC), Data Analysis Expressions (DAX), Data Pipelines, Authentications, Unstructured Data, Data Visualization, Windows Servers, Network Troubleshooting
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Incident Response, Computer Security Incident Management, Cyber Operations, Cybersecurity, Cyber Threat Hunting, Intrusion Detection and Prevention, Security Management, Digital Forensics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Server Administration, Windows Servers, Servers, Network Troubleshooting, Linux Servers, Virtualization, Hardware Troubleshooting, Operating System Administration, Virtual Machines, IT Automation, Remote Access Systems, Security Controls, Networking Hardware, System Support, Computer Hardware, Data Storage, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Generative AI, Generative Model Architectures, LLM Application, Prompt Engineering, ChatGPT, AI Enablement, AI Security, Cloud Development, Data Ethics, Real Time Data, Model Deployment, Cloud Computing Architecture, Artificial Intelligence, MLOps (Machine Learning Operations), Deep Learning, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Networking Hardware, General Networking, Network Architecture, Wireless Networks, Network Protocols, Computer Networking, TCP/IP, Local Area Networks, Network Routers, System Configuration, Network Switches, Wide Area Networks, Servers
Build toward a degree
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Vulnerability Management, Identity and Access Management, Cybersecurity, Security Controls, Incident Management, Vulnerability Assessments, Mobile Security, Hardening, Threat Detection, Application Security, Continuous Monitoring, Threat Management, Digital Forensics, Network Security, Wireless Networks, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Feature Engineering, Unsupervised Learning, Supervised Learning, Classification Algorithms, Regression Analysis, Dimensionality Reduction, Statistical Methods, Data Preprocessing, Applied Machine Learning, Model Evaluation, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Data Access, Anomaly Detection, Logistic Regression, Scikit Learn (Machine Learning Library), Machine Learning, Machine Learning Algorithms
Intermediate · Specialization · 3 - 6 Months

Council on Foreign Relations
Skills you'll gain: International Finance, Policty Analysis, Research, and Development, Negotiation
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Cyber Security Policies, Security Engineering, Information Systems Security, Cybersecurity, Security Awareness, Threat Modeling, Policy Analysis, Political Sciences, Vulnerability Assessments, Public Policies, Human Factors, Human Computer Interaction, Usability, Software Testing
Beginner · Course · 1 - 3 Months
Google Cloud
Skills you'll gain: Data Governance, Data Loss Prevention, Gmail, Google Workspace, Information Management, Data Management, Data Security, Document Management, Records Management, Data Storage, Data Access, Data Import/Export, Email Security, System Configuration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Cloud Management, Cloud Infrastructure, Application Deployment, Kubernetes, Cloud Computing, Cloud Platforms, Public Cloud, Identity and Access Management, Cloud Security, Network Administration, Cloud Storage, Devops Tools, Virtual Machines, System Monitoring, Containerization, Application Performance Management, Virtual Networking, Firewall
Intermediate · Course · 1 - 3 Months