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 Colorado Boulder
Skills you'll gain: Image Analysis, Computer Vision, Deep Learning, Convolutional Neural Networks, Machine Learning Methods, Data Ethics, Microsoft Excel, Generative AI, Excel Formulas, Responsible AI, Data Transformation, Linear Algebra, Feature Engineering, Digital Signal Processing
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Database Architecture and Administration, Cloud Computing Architecture, Oracle Databases, Data Migration, Data Architecture, Microsoft SQL Servers, Google Cloud Platform, Cloud Computing, Database Management, Databases, Cloud Deployment, Cloud Solutions, Operational Databases, Virtual Private Networks (VPN), Network Security, Test Tools, Enterprise Application Management
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Digital Forensics, Microsoft Windows, User Accounts, USB, Identity and Access Management, File Systems, System Configuration, Software Installation, File Management
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Clinical Leadership, Nursing Administration, Nursing Management, Leadership, Nursing, Nursing Practices, Health Informatics, Informatics, Health Care, Information Management, Health Technology, General Networking, Culture
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Digital Assets, Blockchain, Emerging Technologies, FinTech, Business Transformation, Digital Transformation, Systems Design, Case Studies, Organizational Structure, Scalability, Business Strategy, Governance
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Data Ethics, Regulation and Legal Compliance, Regulatory Compliance, Generative AI, Legal Risk, Compliance Management, Business Ethics, AI Security, Intellectual Property, Business Risk Management, Ethical Standards And Conduct, Personally Identifiable Information, Risk Analysis, Data Governance, Data Security, Accountability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Visualization, Interactive Data Visualization, Dashboard, Forecasting, Analytics, Advanced Analytics, Business Analytics, Data Analysis, Data Validation, Analysis, Data Entry, Data Management, Data Integrity, Data Security, Decision Making
Mixed · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Threat Modeling, Secure Coding, Application Security, Open Web Application Security Project (OWASP), Cybersecurity, DevSecOps, Cryptographic Protocols, Security Controls, Computer Security, Cryptography, Data Access, Database Application, Encryption, Data Security, Information Assurance, Data Validation, Authorization (Computing), Data Integrity, Computer Programming, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: System Monitoring, Network Monitoring, Event Monitoring, VMware ESX Servers, Continuous Monitoring, System Configuration, Incident Management, Linux Servers, Virtualization, Virtual Machines, Security Controls, Windows Servers, Software Installation, Microsoft Windows, Dashboard Creation, Databases
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, System Programming, Network Protocols, Program Development, Memory Management, Hardware Architecture, Computer Hardware
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), API Design, Application Programming Interface (API), Application Security, Secure Coding, Security Controls, Vulnerability Assessments, Authorization (Computing), Hardening, Cryptographic Protocols, Cryptography, Authentications, Exploitation techniques
Intermediate · Course · 1 - 4 Weeks