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, Davis
Skills you'll gain: ArcGIS, Data Storytelling, GIS Software, Spatial Data Analysis, Data Presentation, Geographic Information Systems, Spatial Analysis, Geospatial Mapping, Geospatial Information and Technology, Heat Maps, Data Visualization Software, Network Analysis, Data Manipulation, Network Routing
★ 4.5 (139) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Stakeholder Management, Program Management, Stakeholder Communications, Communication Planning, Scheduling, Team Management, Team Performance Management, Procurement, Solution Delivery, Cost Management, Project Management Institute (PMI) Methodology, Teamwork, Leadership and Management, Organizational Change, Agile Product Development, Kanban Principles, Project Portfolio Management, Strategic Leadership, Communication, Risk Management
★ 4.6 (185) · Beginner · Professional Certificate · 3 - 6 Months

Royal Holloway, University of London
Skills you'll gain: Human Factors (Security), Cyber Threat Intelligence, Cybersecurity, Cyber Attacks, Security Awareness, Social Sciences, Exploitation techniques, Culture, Psychology, Rapport Building, Persuasive Communication
★ 4.8 (127) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Excel Formulas, Data Validation, Spreadsheet Software, Microsoft Excel, Accounting, Data Integrity, Financial Reporting, Vocabulary, Business Reporting, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Cyber Threat Hunting, Cyber Attacks, Cybersecurity, Cyber Operations, Continuous Monitoring, Security Management, Event Monitoring, Disaster Recovery, Incident Management, Threat Detection, Cloud Security, Threat Management, System Monitoring, IT Automation, Record Keeping, Problem Management, Google Cloud Platform
★ 3.8 (38) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Google App Engine, Cloud Deployment, Application Deployment, Load Balancing, Cloud Applications, Kubernetes, Cloud Computing, Cloud Management, Microservices, Virtual Private Networks (VPN), Cloud Security, Containerization, CI/CD, Infrastructure As A Service (IaaS), Cloud Engineering, Cloud Solutions, Cloud Computing Architecture
★ 4.8 (1.6K) · Intermediate · Specialization · 3 - 6 Months

University of New Mexico
Skills you'll gain: Version Control, Web Applications, Full-Stack Web Development, Git (Version Control System), Middleware, Web Development, Web Development Tools, Application Development, Software Architecture, User Interface (UI), Agile Software Development, Application Frameworks, Ajax, User Interface (UI) Design, Model View Controller, Databases, Database Management, Data Modeling, Relational Databases, Ruby on Rails
★ 4.3 (185) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, Network Security, Network Analysis, Network Protocols, Active Directory, Lightweight Directory Access Protocols
★ 4.6 (8) · Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: AI Personalization, Personalized Service, Operations Support Systems, Customer Analysis, Telecommunications, Customer Retention, Network Performance Management, Responsible AI, Wireless Networks, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Network Architecture, Computer Networking, Emerging Technologies, Digital Communications, Generative AI Agents, Generative AI, Network Protocols, System Design and Implementation, Communication
★ 4.5 (21) · Advanced · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Accounting Software, Data Validation, QuickBooks (Accounting Software), Expense Management, Accounting Records, Expense Reports, Bookkeeping, Data Entry, Verification And Validation, Financial Reporting, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Infrastructure as Code (IaC), Configuration Management, Correlation Analysis, CI/CD, Docker (Software), GitHub, Data Strategy, Collaborative Software, Git (Version Control System), Containerization, Cloud Infrastructure, Data Security, Data Pipelines, Version Control, Continuous Deployment, Continuous Integration, Devops Tools, Kubernetes, Scalability
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Record Keeping, Medical Office Procedures, Records Management, Medical Records, Document Management, Health Information Management, Medical Privacy, File Management, Health Information Management and Medical Records, Patient Communication, Telecommunications, File Systems, Clinical Documentation, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Quality Assurance, Information Privacy, Regulatory Compliance
Beginner · Course · 1 - 4 Weeks