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.

Coursera
Skills you'll gain: Portfolio Risk, Investment Management, Risk Management, Financial Analysis, Financial Management, Risk Modeling, Risk Analysis, Portfolio Management, Financial Market, Investments, Statistics
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Google Ads, Keyword Research, Target Audience, Pay Per Click Advertising, Search Engine Marketing, Advertising Campaigns, Campaign Management, Advertising, Online Advertising, Digital Advertising, Paid media, Marketing, Digital Marketing, Return On Investment
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Process Analysis, Process Modeling, Business Process, Business Analysis, Process Mapping, Process Management, Process Flow Diagrams, Business Process Modeling, Business Modeling, Stakeholder Management, Stakeholder Analysis, Computer Literacy
Beginner · Guided Project · Less Than 2 Hours

Kennesaw State University
Skills you'll gain: Network Security, Incident Response, Network Administration, Vulnerability Management, Cybersecurity, Contingency Planning, Cyber Governance, Cyber Attacks, Disaster Recovery, Cyber Security Policies, Security Management, Firewall, Business Continuity Planning, Computer Security Incident Management, Network Monitoring, Incident Management, General Networking, Cyber Security Strategy, Crisis Management, Risk Management
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Red Hat Enterprise Linux, Linux Administration, Operating System Administration, Linux Servers, Hardening, Linux, Package and Software Management, Systems Administration, System Configuration, Linux Commands, System Monitoring, Servers, Security Controls, User Provisioning, Patch Management, Network Performance Management, Computer Security, Firewall, Cyber Security Assessment, Network Infrastructure
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Excel Formulas, Pivot Tables And Charts, Data Analysis, Data Manipulation, Microsoft Office, Data Mining
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: OAuth, Authentications, API Design, Enterprise Security, Software Documentation, Application Programming Interface (API), Middleware, API Testing, Restful API, Model Deployment, Security Controls, Data Processing, Software Versioning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Workflow Management, Collaboration, Stakeholder Engagement, Collaborative Software, Management Reporting, Team Collaboration, Business Workflow Analysis, Project Coordination, Teamwork, Communication Strategies, Project Management Software, User Feedback, Coordinating, AI Workflows, Stakeholder Communications, Security Controls, Decision Intelligence, Project Management, Issue Tracking, Role-Based Access Control (RBAC)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Bayesian Network, Bayesian Statistics, Network Model, Artificial Intelligence and Machine Learning (AI/ML), Predictive Modeling, Markov Model, Statistical Modeling, Statistical Inference, Graph Theory, Probability & Statistics, Sampling (Statistics), Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: IT Security Architecture, Computer Networking, Operating System Administration, Package and Software Management, Network Troubleshooting, Version Control, IT Automation, Systems Administration, IT Infrastructure, Network Administration, Information Systems Security, TCP/IP, Git (Version Control System), Chef (Configuration Management Tool), Network Security, General Networking, Ruby (Programming Language), Desktop Support, Web Presence, Interviewing Skills
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Security Controls, Security Management, Data Security, System Configuration, Security Awareness, Project Management Software, Identity and Access Management, Multi-Factor Authentication, Authentications
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Compliance Reporting, Governance, Governance Risk Management and Compliance, Compliance Management, Role-Based Access Control (RBAC), Project Management, Data Governance, Security Controls, Compliance Auditing, Project Management Software, Auditing, Identity and Access Management, User Provisioning
Beginner · Course · 1 - 4 Weeks