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: Node.JS, Role-Based Access Control (RBAC), TypeScript, Authentications, Server Side, Jest (JavaScript Testing Framework), Back-End Web Development, MongoDB, Web Development Tools, Unit Testing, Test Script Development, Web Development, Database Management, Test Automation, Application Programming Interface (API), API Testing, Middleware, NoSQL, Javascript and jQuery, Development Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, OpenAI API, Retrieval-Augmented Generation, OpenAI, Generative AI Agents, Agentic Workflows, Embeddings, ChatGPT, Agentic systems, Vector Databases, Generative AI, Artificial Intelligence, Memory Management, Context Management, Model Evaluation, Application Programming Interface (API), Python Programming, Document Management, Scalability, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Machines, Google Cloud Platform, Microsoft Azure, Load Balancing, Cloud Engineering, Cloud Computing Architecture, Virtualization and Virtual Machines, Public Cloud, Cloud Platforms, Multi-Cloud, Cloud Infrastructure, Infrastructure As A Service (IaaS), Virtual Networking, Network Routing, Firewall
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Virtual Environment, 3D Assets, Computer Graphic Techniques, Computer Graphics, Model Optimization, Visualization (Computer Graphics), Video Game Development, Scalability, Performance Tuning, Graphical Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Persona Development, Customer Analysis, Target Audience, Social Media, Social Media Marketing, Target Market, Business Marketing, Social Media Content, Social Media Management, Marketing Strategies, Web Presence, Content Creation, Earned Media, Drive Engagement, Business Planning
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Instagram, Content Scheduling, Social Media, Social Media Content, Social Media Management, Social Media Marketing, Social Media Strategy, Brand Awareness, Social Media Campaigns, Photography, Advertising
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Virtual Networking, ESXi Installation, VMware ESX Servers, Control Panels, Network Model, Software Installation, Command-Line Interface, Virtualization and Virtual Machines, Virtual Machines, Virtualization, Network Troubleshooting, Package and Software Management, Computing Platforms, General Networking, System Configuration, User Interface (UI), Simulations, Remote Access Systems, Application Programming Interface (API), System Requirements
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Hootsuite, Social Media Content, Content Scheduling, Social Media Management, Content Creation, Social Media Analytics, Social Media Marketing, Social Media, Social Media Strategy, Digital Marketing Tools, Content Marketing, Resource Utilization, Content Management
Beginner · Guided Project · Less Than 2 Hours

University of Illinois Urbana-Champaign
Skills you'll gain: Portfolio Management, Investments, Portfolio Risk, Risk Modeling, Asset Management, Wealth Management, Return On Investment, Risk Management, Financial Market, Market Liquidity, Real Estate, Financial Modeling, Case Studies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Marketing, Social Media Content, Social Media, Graphic Design, Graphic and Visual Design Software, Social Media Strategy, Storytelling, Instagram, Content Creation
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Model Optimization, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Loss Prevention, Cloud Security, Personally Identifiable Information, Data Pipelines, Cloud-Based Integration, Cloud Storage, Data Security, Data Processing, Data Management, Data Transformation, Cloud Management, Data Storage Technologies, DevOps
Advanced · Project · Less Than 2 Hours