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.

Tableau Learning Partner
Skills you'll gain: Requirements Elicitation, Business Analysis, Business Analysis Tools, Business Metrics, Stakeholder Analysis, Key Performance Indicators (KPIs), Requirements Analysis, Business Requirements, Stakeholder Management, User Requirements Documents, Business Process, Business Process Modeling, Process Flow Diagrams, Data Visualization, Stakeholder Engagement, Process Modeling, Diagram Design, Requirements Management, Solution Delivery
★ 4.7 (142) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Threat Detection, Cyber Security Strategy, System Monitoring, Cybersecurity, Cyber Operations, Continuous Monitoring, Network Security, Network Monitoring, Python Programming, Scripting, Scripting Languages
★ 4.5 (86) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: WordPress, Web Design, Web Analytics and SEO, Content Management Systems, Web Content, Frontend Performance, Cloud Hosting, Web Servers, Web Development, Security Controls, Content Management, Application Security, Computing Platforms, Software Installation, Role-Based Access Control (RBAC), User Accounts
★ 4.3 (36) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, MITRE ATT&CK Framework, Security Testing, Payment Card Industry (PCI) Data Security Standards, NIST 800-53, Network Analysis, General Data Protection Regulation (GDPR), Cloud Computing
★ 4.8 (9) · Intermediate · Course · 1 - 4 Weeks

Aptly
Skills you'll gain: TikTok, Content Performance Analysis, Business Marketing, Data-Driven Marketing, Content Scheduling, Social Media Content, Social Media Marketing, Online Advertising, Brand Marketing, Social Media Strategy, Social Media, Marketing Strategies, Performance Measurement, Content Marketing, Content Creation, Video Editing, Video Production, Social Media Management, Advertising, Advertising Campaigns
★ 4.7 (148) · Beginner · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Social Network Analysis, Social Sciences, Network Analysis, Data Science, Machine Learning, Machine Learning Methods, Computational Thinking, Economics, Policy, and Social Studies, Artificial Intelligence, Data Analysis, Social Impact, Simulations, Big Data, Data Collection, Scientific Methods, Digital Analysis, Digital Transformation
★ 4.7 (357) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Test Tools, Java
★ 3.3 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, CI/CD, Application Deployment, DevOps, Continuous Integration, Containerization, Continuous Delivery, Continuous Deployment, Package and Software Management, IT Automation, Git (Version Control System)
★ 4.4 (11) · Advanced · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Zero Trust Network Access, Cybersecurity, Cyber Security Strategy, Cyber Security Assessment, IT Security Architecture, Computer Security, Security Architecture Review, Network Security, Security Strategy, Enterprise Architecture, Cloud Security
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cloud Computing, Infrastructure Architecture, Cost Reduction, Cloud Hosting, Cloud Solutions, Cost Management, Network Infrastructure, Budget Management, Database Management, Load Balancing, Virtual Private Networks (VPN), Technical Support and Services, Technical Support, Financial Management, Network Security, Vendor Management, Resource Management, Customer Support, Configuration Management
★ 4.4 (136) · Beginner · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: Microarchitecture, Computer Architecture, Computer Systems, Hardware Architecture, Computer Hardware, Computer Engineering, Peripheral Devices, Data Storage, Display Devices, Systems Architecture, Memory Management, Computational Logic, OS Process Management
★ 4.8 (483) · Mixed · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Social Media Analytics, Text Mining, Unstructured Data, Quantitative Research, Data Visualization, Statistical Analysis, Data Presentation, Data Analysis, Statistical Methods, Correlation Analysis, R (Software), Application Programming Interface (API), R Programming, Regression Analysis, Data Collection, Python Programming
★ 4.1 (299) · Intermediate · Course · 1 - 4 Weeks