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.

University of California San Diego
Skills you'll gain: Digital pedagogy, digital literacy, Information Technology, Computational Thinking, Social Impact, Geospatial Information and Technology, Computer Networking, Technical Communication, Media and Communications, Digital Communications, Data Centers, Algorithms, Global Positioning Systems
★ 4.9 (39) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Social Media Marketing, Social Media, Social Media Content, Social Media Strategy, Photo Editing, Marketing, Photo/Video Production and Technology, Graphics Software, Graphic and Visual Design Software, Graphical Tools, Graphic Design, Computer Graphic Techniques, Entrepreneurship, Business
★ 4.5 (86) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Digital Marketing Tools, Marketing Automation, Scheduling, Management Reporting, Business Reporting, Performance Reporting, Automation, Stakeholder Communications, Scalability
Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Healthcare Ethics, Emergency Medical Services, Patient Safety, Health Care Procedure and Regulation, Health Care, Patient Advocacy, Health Systems, Safety Assurance, Legal Risk, Community Health, Crisis Intervention, Ethical Standards And Conduct, Safety and Security, Law, Regulation, and Compliance, Mitigation, Emergency Response, Health Policy, Risk Management
★ 4.5 (80) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Role-Based Access Control (RBAC), Collaborative Software, Authorization (Computing), Identity and Access Management, Data Security, User Accounts, User Provisioning, Security Management, Project Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Conversion Funnel Analysis, Customer Relationship Management (CRM) Software, Marketing Operations, Growth Strategies, Process Improvement, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploitation techniques, Penetration Testing, Cyber Attacks, Cyber Security Assessment, Cybersecurity, Event Monitoring, Vulnerability Management, Vulnerability, Continuous Monitoring, Data Security, Network Security, Analysis, Criminal Investigation and Forensics, System Monitoring, System Configuration, Network Monitoring, Bash (Scripting Language), Scripting, Linux, Python Programming
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: General Data Protection Regulation (GDPR), Information Privacy, Personally Identifiable Information, Data Governance, Law, Regulation, and Compliance, Governance, Incident Response, Regulatory Compliance, Data Security, Accountability, Compliance Management, Data Processing, Data Sharing, Data Access, Legal Risk
★ 4.4 (20) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, AI Orchestration, AI Integrations, Advanced Analytics, Enterprise Architecture, Automation, Artificial Intelligence, Continuous Improvement Process, Data Quality, Scalability, Performance Tuning, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Workspace, Gmail, Lightweight Directory Access Protocols, Authorization (Computing), Active Directory, Enterprise Application Management, System Monitoring, User Provisioning, User Accounts, Event Monitoring, Group Policy, Cloud Security, Endpoint Security, Mobile Security, Compliance Auditing, Data Security, Configuration Management, Incident Management, Application Deployment, Annual Reports
Intermediate · Specialization · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Dashboard, Business Planning, Performance Measurement, Financial Management, Performance Metric, Business Strategies, Budgeting, Financial Forecasting, Performance Management, Strategic Leadership, Business Metrics, Strategic Planning, Forecasting, Market Analysis, Business Administration, Microsoft Excel, Strategic Decision-Making, Benchmarking, Innovation
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Open Web Application Security Project (OWASP), Exploitation techniques, Internet Of Things, Security Testing, Embedded Software, Cyber Security Assessment, Hardware Troubleshooting, Vulnerability Assessments, Test Tools, Embedded Systems, Network Security, General Networking
Beginner · Course · 1 - 3 Months