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.

Coursera
Skills you'll gain: Cross-Functional Team Leadership, Executive Presence, Matrix Management, Team Performance Management, Cross-Functional Collaboration, Performance Management, Key Performance Indicators (KPIs), Performance Measurement, Crisis Management, Team Building, Project Management, Leadership, Employee Coaching, Influencing, Leadership Development, Team Management, Stakeholder Management, Organizational Development, Strategic Communication, Change Management
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Data Warehousing, Data Quality, Data Cleansing, Performance Tuning, Data Validation, Scalability, System Monitoring, Serverless Computing, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, OSI Models, Network Architecture, Network Protocols, General Networking, Network Security, TCP/IP, Computer Networking, Cloud Technologies, Network Infrastructure, Network Administration, Local Area Networks, Cloud Platforms, Network Planning And Design, Routing Protocols, Cloud Infrastructure, Virtual Private Networks (VPN), Cloud Services, Telecommunications, Wireless Networks
Intermediate · Course · 1 - 3 Months

Skills you'll gain: File I/O, Java Programming, Data Persistence, Java, Code Reusability, File Management, Object Oriented Programming (OOP), Maintainability, Scalability, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: MLOps (Machine Learning Operations), AWS SageMaker, Fraud detection, Responsible AI, Feature Engineering, Site Reliability Engineering, Managed Services, System Monitoring, Amazon CloudWatch, Scalability, Continuous Monitoring, Distributed Computing, Scikit Learn (Machine Learning Library), Cost Reduction, Machine Learning Algorithms, Amazon S3, Pandas (Python Package), Python Programming, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

British Standards Institution
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Infrastructure Architecture, Metadata Management
Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Claude Code, Anthropic Claude, Vibe coding, Figma (Design Software), AI Workflows, AI Orchestration, Prompt Engineering, Software Development Tools, AI Integrations, Marketing Automation, Organizational Skills, Business Writing, Design, Generative AI, AI Security, User Interface and User Experience (UI/UX) Design, Code Review, Artificial Intelligence, Web Design, Strategic Thinking
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Penetration Testing, Exploitation techniques, Mobile Security, Vulnerability Scanning, Cybersecurity, Security Testing, Application Security, Network Security, Vulnerability Assessments, Web Applications, Wireless Networks, Network Protocols
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Cloud Deployment, Application Deployment, OpenShift, Cloud Applications, Serverless Computing, Microservices, Istio, API Gateway, Cloud-Native Computing, Restful API, Cloud Computing, IBM Cloud, Kubernetes, Application Development, Containerization, Software Architecture, Scalability, Flask (Web Framework)
Intermediate · Course · 1 - 3 Months

Georgia Institute of Technology
Skills you'll gain: Cloud Applications, Cloud Development, Cloud-Native Computing, Software-Defined Networking, Virtual Networking, Cloud Deployment, Cloud Computing, Cloud Infrastructure, Distributed Computing, Application Development, Cloud Management, Cloud Platforms, Cloud Services, Cloud Computing Architecture, Virtualization, Virtual Machines, Network Performance Management, Data Store, Network Infrastructure, Data Centers
Beginner · Specialization · 3 - 6 Months