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: Open Web Application Security Project (OWASP), API Design, Application Programming Interface (API), Application Security, Secure Coding, Security Testing, Threat Modeling, Security Controls, Vulnerability Assessments, Authorization (Computing), Cryptography, Authentications, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Middleware, Web Services, Data Mapping, Simple Object Access Protocol (SOAP), Restful API, Software Technical Review, Application Development, Cloud Applications, Application Programming Interface (API), System Monitoring, Application Performance Management, Data Integration, Enterprise Application Management, Software Architecture, Business Process Automation, Performance Tuning, Scalability, Debugging, Application Security, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Recognizing Others, Sales Management, Team Motivation, Employee Onboarding, Conflict Management, Drive Engagement, Team Leadership, Sales Process, Virtual Teams, Team Management, Teamwork, Intercultural Competence, Performance Management, Collaboration, Rapport Building, Smart Goals, Meeting Facilitation, Goal Setting, Coaching, Constructive Feedback
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Epidemiology, Infectious Diseases, Mathematical Modeling, Public Health, R Programming, Differential Equations
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Computer Security Incident Management, Vulnerability Management, Incident Response, Identity and Access Management, Cybersecurity, Security Controls, Vulnerability Assessments, Mobile Security, Intrusion Detection and Prevention, Hardening, Threat Detection, Application Security, Information Systems Security, Threat Management, Digital Forensics, Network Security, Wireless Networks, Authentications, Authorization (Computing), Automation
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Personalization, Business Logic, Application Development, C# (Programming Language), Computer Programming, Programming Principles, Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Product Strategy, Business Strategy, Artificial Intelligence, Data Ethics, Artificial Neural Networks, Data Science, Cross-Functional Collaboration, Deep Learning, Machine Learning, Recruitment
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Blockchain, Cyber Risk, FinTech, Operational Risk, Scalability, Regulatory Compliance, Risk Management, Exploit development, Financial Regulations, Risk Analysis, Vulnerability Assessments, Secure Coding, Auditing, Governance, Key Management, Environmental Social And Corporate Governance (ESG), Transaction Processing
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud API, JSON, Restful API, Application Programming Interface (API), Google Cloud Platform, Authentications, Network Protocols
Beginner · Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Continuous Integration, CI/CD, Continuous Delivery, Continuous Deployment, Integration Testing, DevOps, Continuous Monitoring, System Monitoring, Docker (Software), Application Deployment, Security Controls, GitHub, Automation, Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, OSI Models, Wireless Networks, Network Security, Network Protocols, TCP/IP, Network Infrastructure, Computer Networking, Network Routing, Network Routers, Network Monitoring, Cloud Computing, Command-Line Interface, Firewall, Network Performance Management, Network Switches
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Network Architecture, Routing Protocols
Beginner · Course · 1 - 3 Months