Computer network courses can help you learn how data moves between devices, how networks are structured, and how to keep them secure and efficient.

Skills you'll gain: Responsive Web Design, Typography, Web Design and Development, Front-End Web Development, Cascading Style Sheets (CSS), Figma (Design Software), Browser Compatibility, Hypertext Markup Language (HTML), Wireframing, User Interface (UI) Design, Interactive Design, User Interface (UI), Web Content Accessibility Guidelines, Usability, Animations
Intermediate · Course · 3 - 6 Months

LearnQuest
Skills you'll gain: Blockchain, Key Management, Public Key Infrastructure, Cryptography, Application Security, Security Engineering, Secure Coding, Data Security, Threat Modeling, Security Testing, Solution Design, Vulnerability Assessments, Code Review
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Cryptography, Encryption, Application Security, Threat Modeling, Cybersecurity, Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Information Privacy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, Responsive Web Design, Web Development Tools, Application Deployment, Database Management, Web Applications, Databases, Web Design and Development, JavaScript Frameworks, Authentications, Software Design, Application Development, Email Automation, Restful API, Web Design, Front-End Web Development, TypeScript, Payment Systems, Cascading Style Sheets (CSS), User Interface (UI)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Endpoint Security, Network Security, Cybersecurity, Threat Detection, Cyber Attacks, Data Security, Cyber Security Strategy, Secure Coding, Firewall, Application Security, Authentications, Infrastructure Security, Security Controls, Authorization (Computing), Security Information and Event Management (SIEM), Data Governance, Security Testing, Virtual Private Networks (VPN)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Product Roadmaps, Workflow Management, Agile Methodology, Agile Product Development, Product Management, Business Priorities, Collaborative Software, Product Strategy, Project Design, Performance Measurement, Team Management, Business Metrics
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Visualization (Computer Graphics), Graphic and Visual Design, Cascading Style Sheets (CSS), HTML and CSS, Computer Graphics, Animations, Typography, Semantic Web, Web Content Accessibility Guidelines, Scalability
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Web Design and Development, Cascading Style Sheets (CSS), GitHub, Front-End Web Development, Application Deployment, Web Applications, Web Development, Mobile Development, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: File Management, Music, Automation, Editing, Technical Support, Creativity
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: LangChain, LLM Application, Tool Calling, Agentic systems, Prompt Engineering, Artificial Intelligence, Generative AI, Large Language Modeling, Semantic Web, Data Store
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploitation techniques, Penetration Testing, Secure Coding, Web Development, Web Applications, Full-Stack Web Development, Vulnerability Assessments, Application Security, Angular, Ajax, Javascript
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Firewall, Network Security, Cloud Security, Threat Modeling, Cloud Management, Network Monitoring
Intermediate · Course · 1 - 4 Weeks