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.

LearnQuest
Skills you'll gain: Blockchain, Risk Management, Enterprise Risk Management (ERM), Risk Analysis, Risk Management Framework, Governance Risk Management and Compliance, Legal Risk, Interoperability, IT Security Architecture, Cyber Risk, Information Technology Architecture, Network Architecture, Security Architecture Review, Solution Architecture, Governance, Application Security, Cryptography, Enterprise Architecture, Data Storage, Systems Architecture
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Development Environment, Programming Principles, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, IT Security Architecture, Cloud Security, Internet Of Things, Vulnerability Management, Incident Response, Identity and Access Management, Threat Management, Computer Security Incident Management, Intrusion Detection and Prevention, Penetration Testing, Network Security, Security Controls, Security Testing, Cloud Computing, Threat Detection, Incident Management, Cloud Deployment, Authentications
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Authentications, Cloud Security, Threat Management, Cybersecurity, Threat Detection, Security Awareness, Cyber Attacks, Exploitation techniques, Network Security, Vulnerability Assessments, Cloud Services, Cloud Computing, Vulnerability Management, Data Security, Human Factors (Security), Incident Response, Software As A Service
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Systems Development, Systems Development Life Cycle, Agile Methodology, Software Development Life Cycle, Productivity Software, Risk Management Framework, digital literacy, Systems Design, Network Security, Computer Hardware, Agile Project Management, Hardware Architecture, Computer Systems, Software Design, Data Security, Risk Management, System Design and Implementation, TCP/IP, Information Technology, Productivity
Beginner · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Networking Hardware, Network Infrastructure, Network Routers, General Networking, Embedded Software, Network Switches, Network Protocols, Network Architecture, Security Controls, Wireless Networks, Network Administration, Network Routing, Local Area Networks, Infrastructure Security, Telecommunications, Communication Systems, Distributed Computing, Python Programming, Machine Learning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Flutter (Software), Mobile Development, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, React Native, Application Development, iOS Development, Apple iOS, Mobile Development Tools, UI Components, User Story, User Interface (UI), Database Application, Android Development, Databases, Cloud Applications, Database Software, Other Mobile Programming Languages, Database Management, Database Management Systems
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Cloud-Native Computing, DevSecOps, Kubernetes, Hardening, Cloud Infrastructure, Cloud Management, Cloud Platforms, Cloud Engineering, Infrastructure Architecture, Enterprise Architecture, Generative AI, Microsoft Azure, Containerization, Code Reusability, Secure Coding, Security Controls, Configuration Management, Cryptographic Protocols
Advanced · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Cloud Deployment, Agentic Workflows, Model Deployment, Application Deployment, Generative AI Agents, Agentic systems, AI Workflows, Token Optimization, LLM Application, Cloud Hosting, Virtual Machines, System Configuration, Automation, Servers, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), AI Security, Context Engineering, Generative AI, Prompt Engineering
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java, Java Programming, Eclipse (Software), Object Oriented Programming (OOP), Development Environment, Object Oriented Design, Integrated Development Environments, Computer Programming, Program Development, Virtual Machines, Software Installation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Communication Planning, Strategic Communication, Planning, Communication Strategies, Media Strategy, Strategic Planning, Media Planning, Stakeholder Communications, Media and Communications, Project Planning, Network Planning And Design, Communication Systems, Program Evaluation, Communication, Integrated Marketing Communications, Systems Development, Analysis, Influencing, Systems Design, Environment
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Disaster Recovery, Microsoft Azure, Data Maintenance, Data Loss Prevention, Cloud Management, Data Security, Query Languages, Data Storage, System Monitoring, Event Monitoring, Continuous Monitoring
Mixed · Course · 1 - 4 Weeks