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.

O.P. Jindal Global University
Skills you'll gain: International Relations, Diplomacy, Political Sciences, Public Policies, World History, Policy Analysis, Case Studies, Economics, Governance, Security Strategy
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Web Analytics and SEO, Content Management Systems, Web Design, Web Analytics, Supplier Management, Web Design and Development, E-Commerce, WordPress, Search Engine Optimization, No-Code Development, Blogs, Retail Management, Order Management, Web Content, Promotional Strategies, Web Development, Content Management, Marketing Strategies, Web Frameworks, Web Development Tools
Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Node.JS, MongoDB, Back-End Web Development, Server Side, Full-Stack Web Development, Web Development Tools, Web Applications, Scalability, Javascript, Operating Systems, NoSQL, Event-Driven Programming, File Systems, Application Programming Interface (API), JSON, Database Management, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Cryptography, Application Security, Cybersecurity, Data Security, Encryption, Vulnerability Assessments, Information Systems Security, Cyber Attacks, Key Management, Infrastructure Security, Public Key Infrastructure, Authentications, Mobile Security, Data Integrity, Algorithms
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Google Cloud Platform, Google Workspace, Agentic Workflows, AI Workflows, Data Access, AI Enablement, Generative AI Agents, Cloud Security, LLM Application, Data Management, Data Integration, AI Security
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Identity and Access Management, Cloud Infrastructure, Cloud Computing, Cloud Computing Architecture, Cloud Deployment, Virtual Machines, Kubernetes, Role-Based Access Control (RBAC), Virtual Networking, Cloud Management, Windows PowerShell, Load Balancing, Security Information and Event Management (SIEM), Command-Line Interface, Network Security, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Application Deployment, Cloud Deployment, Containerization, Prometheus (Software), Cloud-Native Computing, Docker (Software), Data Persistence, Amazon Web Services, DevOps, YAML, Scenario Testing, Role-Based Access Control (RBAC), Cloud Infrastructure, Network Troubleshooting, Ubuntu, System Monitoring, Cloud Computing Architecture, Virtual Networking, Scalability
Beginner · Specialization · 1 - 3 Months

AI CERTs
Skills you'll gain: AI Personalization, Video Production, Media Production, Photo/Video Production and Technology, Video Editing, Videography, Image Analysis, Storytelling, Generative AI, Artificial Intelligence, Real Time Data, AI Workflows, Image Quality, Editing, Deep Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, MITRE ATT&CK Framework, Threat Detection, Infrastructure Security, Payment Card Industry (PCI) Data Security Standards, NIST 800-53, Network Analysis, General Data Protection Regulation (GDPR)
Intermediate · Course · 1 - 4 Weeks
Rice University
Skills you'll gain: Portfolio Management, Portfolio Risk, Financial Market, Investments, Securities (Finance), Financial Systems, Securities Trading, Asset Management, Behavioral Economics, Capital Markets, Investment Management, Equities, Performance Measurement, Finance, Financial Services, Performance Analysis, Risk Management, Return On Investment, Market Liquidity, Derivatives
Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: C++ (Programming Language), Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Graph Theory, Development Environment, Data Storage, Engineering Software, Unstructured Data, Computer Programming, Algorithms, Data Storage Technologies, Debugging, Program Development, Database Systems, Database Theory, Network Routing, Theoretical Computer Science
Intermediate · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Requirements Elicitation, Software Design Documents, Requirements Analysis, Security Requirements Analysis, Mockups, Interviewing Skills, User Requirements Documents, Data Flow Diagrams (DFDs), Storyboarding, Requirements Management, Functional Requirement, Goal Setting, Software Development Methodologies, Software Documentation, Diagram Design, Agile Methodology, Business Requirements, Unified Modeling Language, Risk Management Framework, System Requirements
Beginner · Specialization · 3 - 6 Months