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: Kubernetes, Application Deployment, Cloud-Native Computing, Scalability, Containerization, API Gateway, Devops Tools, Cloud Storage, Network Troubleshooting, Authentications, DevOps, Debugging, Development Environment, Software Installation, Network Routing, General Networking, Cloud Platforms, Google Cloud Platform, Network Protocols, Application Programming Interface (API)
★ 4.6 (12) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Vulnerability Assessments, Vulnerability Scanning, Vulnerability Management, Malware Protection, Cyber Security Assessment, Threat Detection, Penetration Testing, Threat Management, Cybersecurity, Exploitation techniques, Infrastructure Security, Network Security, Information Systems Security
Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Workplace inclusivity, Family and Medical Leave Act of 1993, Stress Management, Mental Health, Advocacy, Employee Assistance Programs, Disabilities, Personal Care, Occupational Health, Employee Relations, Labor Law, Mental Health Diseases and Disorders, Human Resource Policies, Preventative Care, Human Resources, Mental Health Therapies, Care Coordination, Health Care Administration
Beginner · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Object Oriented Programming (OOP), Event-Driven Programming, Programming Principles, Network Protocols
★ 4.5 (57) · Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Responsible AI, Social Media Analytics, Graph Theory, Machine Learning Methods, R (Software), Machine Learning, Machine Learning Software, Model Training, Machine Learning Algorithms, Model Optimization, Model Evaluation, Social Sciences, Statistical Analysis, Amazon Web Services, Tensorflow, Data Ethics, Large Language Modeling, Applied Machine Learning
★ 4.4 (18) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: NIST 800-53, Security Management, Continuous Monitoring, Event Monitoring, Security Controls, System Monitoring, Cybersecurity, Threat Management, Cyber Risk, Cyber Security Policies, Vulnerability Assessments, Cyber Security Assessment, Threat Detection, Incident Response, Identity and Access Management
★ 4.7 (33) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Virtual Networking, Computer Networking, Network Engineering, Virtualization, Network Infrastructure, Network Planning And Design, Software-Defined Networking, Virtual Private Networks (VPN), Virtualization and Virtual Machines, Network Protocols, Cloud Infrastructure, Wireless Networks, Wide Area Networks, Virtual Machines, Network Routing, Network Performance Management
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Deployment, Containerization, Application Deployment, MLOps (Machine Learning Operations), AI Orchestration, Docker (Software), Cloud Deployment, Kubernetes, AI Workflows, Model Training, Distributed Computing, Cloud Computing, Scalability, Cloud Infrastructure
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Ggplot2, Plot (Graphics), Data Visualization Software, Data Visualization, Interactive Data Visualization, Scatter Plots, Statistical Visualization, Histogram, Graphic and Visual Design, R Programming, Graphic Design, Graphical Tools, R (Software), Data Mapping, Graphing, Spatial Data Analysis, Geospatial Mapping
★ 3.9 (158) · Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Cyber Governance, Security Strategy, Security Management, Incident Management, Cyber Security Strategy, Business Continuity Planning, IT Security Architecture, Computer Security Incident Management, Business Continuity, Disaster Recovery, Cyber Security Policies, Cybersecurity, Incident Response, Data Governance, Governance, Contingency Planning, Security Controls, Asset Management, Cyber Security Assessment, Risk Analysis
★ 4.6 (55) · Mixed · Course · 3 - 6 Months

Arizona State University
Skills you'll gain: Intellectual Property, Cyber Attacks, Data Security, Safety and Security, Cybersecurity, Application Security, Security Software, Computer Security Awareness Training, Research, Content Creation, digital literacy, Media and Communications, Storytelling, Productivity, Digital Communications, Interpersonal Communications, Empathy & Emotional Intelligence, Personal Development, Self-Awareness, Digital Analysis
★ 4.7 (153) · Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C and C++, Data Structures, Secure Coding, Application Security, System Programming, Programming Principles
★ 4.5 (75) · Intermediate · Course · 1 - 4 Weeks