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.

Universidad de los Andes
Skills you'll gain: Digital pedagogy, Education Software and Technology, Learning Management Systems, digital literacy, Solution Design, User Centered Design, Requirements Analysis, Requirements Elicitation, Quality Assurance, Virtual Environment
★ 4.5 (163) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: System Monitoring, Application Performance Management, Query Languages, Database Management, Data Access, Database Design
Advanced · Course · 1 - 4 Weeks

United Cities and Local Governments of Africa
Skills you'll gain: Climate Change Adaptation, Climate Change Programs, Climate Change Mitigation, Environmental Policy, Social Determinants Of Health, Decision Intelligence, Land Management, Environmental Resource Management, Sustainable Development, Decision Support Systems, Governance, Vulnerability, Socioeconomics, Economic Development, Hazard Analysis
★ 4.7 (128) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Content Scheduling, Social Media Marketing, Content Performance Analysis, Driving engagement, Social Media Campaigns, Social Media Analytics, Drive Engagement, Content Optimization, Video Production, Photo/Video Production and Technology, Workflow Management
★ 5 (7) · Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Responsible AI, Large Language Modeling, Generative AI, Data Ethics, Artificial Intelligence, Generative Model Architectures, Model Evaluation, Python Programming, Applied Machine Learning, Image Analysis, Machine Learning Methods, Machine Learning, Scientific Visualization, Deep Learning, Artificial Neural Networks
★ 4.7 (29) · Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Package and Software Management, Linux Administration, Shell Script, Ubuntu, User Accounts, Linux, Devops Tools, Linux Servers, grep, Linux Commands, Red Hat Enterprise Linux, Bash (Scripting Language), Kubernetes, Command-Line Interface, Network Troubleshooting, Containerization, Ansible, File Systems, Application Deployment, Authentications
★ 4.6 (31) · Intermediate · Specialization · 1 - 3 Months

ISC2
Skills you'll gain: Cloud Security, Zero Trust Network Access, Hybrid Cloud Computing, Cloud Computing, Cloud Management, Cloud Services, Cloud Solutions, Security Strategy, Scalability, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, CI/CD, Microsoft Azure, Data Architecture, Integration Testing, Continuous Integration, Continuous Deployment, Data Infrastructure, Data Pipelines, IT Automation, Data Integration, Data Security, Automation, Data Storage, Security Controls
★ 4.8 (15) · Intermediate · Course · 1 - 4 Weeks

INSEAD
Skills you'll gain: Agentic systems, Blockchain, Emerging Technologies, AI Security, Generative AI Agents, AI Personalization, Healthcare 5.0, Responsible AI, AI Integrations, Generative AI, Data Ethics, Digital Assets, Environmental Social And Corporate Governance (ESG)
★ 4.8 (32) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Customer Analysis, Customer Engagement, Customer Insights, Marketing Analytics, Target Audience, Social Media Content, Social Media Marketing, Advertising Campaigns, Driving engagement, Advertising, Social Media, Social Media Management, Web Presence, Social Media Campaigns, Content Creation, Content Marketing, Customer Communications Management, Email Automation
★ 4.5 (113) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Content Marketing, Content Strategy, Content Management, Marketing Strategies, Gap Analysis, Strategic Marketing, Content Development and Management, Journey Mapping, Driving engagement, Marketing Materials, Content Creation, Sales Process
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Software Architecture, Systems Architecture, Application Design, Application Performance Management, Enterprise Architecture, Solution Architecture, Continuous Monitoring, Model Optimization, Maintainability, Incident Management, Scalability, Problem Management, Debugging
Advanced · Course · 1 - 4 Weeks