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.

Microsoft
Skills you'll gain: Model Deployment, Data Management, Artificial Intelligence and Machine Learning (AI/ML), Infrastructure Architecture, Data Infrastructure, AI Integrations, MLOps (Machine Learning Operations), Application Deployment, AI Workflows, Model Evaluation, Data Cleansing, Artificial Intelligence, Data Security, Application Frameworks, Machine Learning, Data Preprocessing, Data Pipelines, Scalability
★ 4.5 (286) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Network Performance Management, Software-Defined Networking, Network Administration, Network Routing, Wide Area Networks, Network Monitoring, Disaster Recovery, Performance Tuning, Network Security, Cyber Security Assessment, Vulnerability Scanning, Security Management, Patch Management, Network Analysis
Intermediate · Course · 1 - 4 Weeks

Georgia Institute of Technology
Skills you'll gain: Professional Networking, LinkedIn, Web Content, Social Media Content, Instagram, Web Presence, Writing, Concision, Content Creation, Social Media, Grammar, Professionalism, Constructive Feedback, Writing and Editing, Relationship Building, English Language, Branding, Vocabulary
★ 4.7 (1.7K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Digital Advertising, Online Advertising, Campaign Planning, Paid media, Digital Analysis, Presentations, Digital Marketing Campaigns, Content Development and Management, Social Media Campaigns, Content Performance Analysis, Advertising Campaigns, Digital Marketing, Search Engine Optimization, Content Strategy, LinkedIn, Social Media Marketing, Target Audience, E-Commerce, Business Analysis, Market Analysis
★ 4.1 (8) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Descriptive Statistics, A/B Testing, Classification And Regression Tree (CART), Dashboard, Dashboard Creation, Model Evaluation, Model Deployment, Data-Driven Decision-Making, Risk Analysis, Histogram, Statistical Inference, Descriptive Analytics, Simulations, Predictive Modeling, Regression Analysis, Data Visualization, MLOps (Machine Learning Operations), Decision Making, Decision Tree Learning, Keras (Neural Network Library)
★ 2.8 (6) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: MLOps (Machine Learning Operations), Feature Engineering, Kubernetes, Cloud-Native Computing, Model Training, DevOps, AI Workflows, CI/CD, Distributed Computing, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Scalability, Data Pipelines, Docker (Software), Machine Learning Algorithms, Data Science, Data Validation, Python Programming, Artificial Intelligence, Random Forest Algorithm
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Package and Software Management, Linux, Ubuntu, Operating System Administration, File Systems, Command-Line Interface, Linux Commands, Linux Servers, Unix, Unix Commands, User Accounts, Systems Administration, Unix Shell, OS Process Management, Red Hat Enterprise Linux, Software Installation, File Management, User Provisioning, System Support
Beginner · Course · 1 - 3 Months

Fortinet, Inc.
Skills you'll gain: Firewall, Network Administration, Network Troubleshooting, Network Infrastructure, Identity and Access Management, System Configuration, Configuration Management, Network Security, Security Management, Systems Integration, Scripting
★ 4.4 (28) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI Agents, Agentic systems, LLM Application, Agentic Workflows, Generative Model Architectures, Large Language Modeling, Generative AI, LangChain, AI Orchestration, Retrieval-Augmented Generation, Tool Calling, Process Design, Prompt Engineering, Artificial Intelligence and Machine Learning (AI/ML), Model Deployment, Context Engineering, Data Architecture, AI Security, Fine-tuning, Data Science
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Software Documentation, LLM Application, Collaborative Software, Software Testing, Technical Documentation, Large Language Modeling, AI Integrations, Dependency Analysis, Security Testing, AI literacy, Package and Software Management, Debugging, Software Engineering
★ 4.6 (186) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Endpoint Detection and Response, Cyber Operations, Cybersecurity, Cyber Security Policies, Security Management, Digital Forensics
★ 4.7 (182) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: JUnit, Test Driven Development (TDD), Unit Testing, Software Testing, Test Case, Eclipse (Software), Test Data, Development Testing, Test Automation, Test Execution Engine, Integrated Development Environments, Test Script Development, Java, Test Tools, Maintainability, Software Design
★ 3.8 (73) · Intermediate · Specialization · 1 - 3 Months