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, Santa Cruz
Skills you'll gain: Systems Design, Model Based Systems Engineering, Simulation and Simulation Software, Cyber Engineering, Mathematical Modeling, Simulations, Network Model, Embedded Systems, Systems Analysis, Computational Logic, Digital Communications, Differential Equations
★ 4.6 (56) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Process Capability, Sampling (Statistics), R (Software), Correlation Analysis, Statistical Inference, Probability Distribution, Statistical Visualization, R Programming, Statistical Process Controls, Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Data Science, Statistics, Data Analysis, Statistical Analysis, Statistical Software, Descriptive Statistics, Quality Improvement, Process Engineering
★ 4.5 (54) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Risk Management Framework, Infrastructure Security, Cyber Security Policies, Continuous Monitoring, Cyber Security Assessment, Security Management, Cyber Governance, Cybersecurity, Cyber Security Strategy, Cyber Risk, Computer Security, Scenario Testing, Dependency Analysis
★ 4.6 (181) · Beginner · Course · 1 - 4 Weeks

Howard University
Skills you'll gain: Design Thinking, Business Software, Information Systems, Cloud Computing, Cloud Solutions, Cloud Technologies, Solution Design, Customer Analysis, Enterprise Application Management, Cloud Deployment, Cloud Security, Virtualization, Cloud Platforms, Digital Transformation, Management Information Systems, Business Solutions, Information Technology, Process Design, Cybersecurity, Data Management
★ 4.7 (86) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Scheduling, Project Schedules, Project Controls, Timelines, Project Management Software, Management Reporting, Performance Reporting, Process Improvement and Optimization, Organizational Skills, Report Writing, Resource Management, Administration, System Configuration, User Accounts, Diagram Design
★ 4.6 (21) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Virtual Private Networks (VPN), Network Troubleshooting, Open Shortest Path First (OSPF), Network Engineering, Network Routing, Border Gateway Protocol, Multiprotocol Label Switching, Network Administration, Wide Area Networks, Network Protocols, Network Security, Network Monitoring, Network Performance Management, Dynamic Host Configuration Protocol (DHCP), Authentications
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Security, Real Time Data, Digital Transformation, Cloud Management, Cloud Solutions, Serverless Computing, Google Cloud Platform, Cloud Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Cloud Platforms, Data Security, Application Programming Interface (API), Looker (Software), Cloud Deployment, Public Cloud, Model Training, IT Security Architecture, Business Intelligence, Cloud Services, Cloud Computing
★ 4.8 (45) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, Data Ethics, Workforce Development, Operational Efficiency, Business Ethics, Employee Training, AI Integrations
★ 4.8 (100) · Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Test Tools, Security Information and Event Management (SIEM), Event Monitoring, Malware Protection, Google Cloud Platform, Network Security
★ 3.2 (6) · Beginner · Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Statistical Analysis, Policy Analysis, Research, and Development, Program Evaluation, Policy Analysis, Data Analysis, Statistical Methods, Public Policies, Statistical Hypothesis Testing, Statistical Programming, Analytics, Policy Development, Data Analysis Software, Analytical Skills, Statistical Software, Forecasting, R Programming, Research Design, Time Series Analysis and Forecasting, Statistical Inference, Ggplot2
★ 4.6 (51) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Virtual Machines, Cloud Security, Public Cloud, Amazon Web Services, Scalability, Virtual Networking, Private Cloud, Cloud Computing Architecture, Cloud Platforms, Cloud Computing, Cloud Infrastructure, Cloud Services, Cloud Deployment
★ 4.4 (174) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Azure Active Directory, Role-Based Access Control (RBAC), Microsoft Azure, Single Sign-On (SSO), Active Directory, Cloud Management, Identity and Access Management, Authorization (Computing), Authentications, Multi-Factor Authentication, User Provisioning, Data Governance, Cloud Services, Security Controls
★ 4.2 (80) · Intermediate · Course · 1 - 4 Weeks