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.

Radio y Televisión Española
Skills you'll gain: Image Analysis, Research, digital literacy, Fraud detection, Social Network Analysis, Investigation, Journalism, Verification And Validation
★ 4.8 (10) · Beginner · Course · 1 - 3 Months

ESSEC Business School
Skills you'll gain: Cooperation, Teamwork, Collaboration, Sustainable Development, Decision Making, Sustainable Systems, Business Transformation, Social Justice, Environmental Issue, Political Sciences, Social Impact, Socioeconomics, Action Oriented, Social Sciences, Systems Thinking, Visionary, Economic Development, Corporate Sustainability, Economics, Policy, and Social Studies, Empowerment
★ 4.6 (19) · Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Virtualization, Virtualization and Virtual Machines, Virtual Machines, Data Storage, Virtual Networking, Data Storage Technologies, vSphere DRS & HA, Networking Hardware, Virtual Local Area Network (VLAN), Computing Platforms, Infrastructure Architecture, IT Infrastructure, Network Infrastructure, Capacity Management, Data Centers, Memory Management, Network Switches, Endpoint Security, Computer Hardware
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Full-Stack Web Development, Information Architecture, React.js, UI Components, Web Applications, Scalability, JavaScript Frameworks, Web Development Tools, Data Access, Query Languages, Database Application, Back-End Web Development, Data Store, Web Design and Development, Database Development, Databases, Front-End Web Development, Software Design, Web Development, Software Development
★ 4.8 (6) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Planning, Software Quality Assurance, Software Testing, Quality Assurance, Process Improvement, Quality Assessment, Continuous Improvement Process, Technology Roadmaps, Quality Improvement, Gap Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Simulations, Plot (Graphics), Statistical Visualization, R (Software), R Programming, Statistical Programming, Statistical Methods, Process Modeling, Statistical Analysis, Process Analysis, Data Analysis
★ 5 (6) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Graphical Tools, Graphic and Visual Design, Video Production, Graphic and Visual Design Software, Photo/Video Production and Technology, Graphic Design, Social Media, Social Media Marketing, Content Creation
★ 4.8 (9) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Driving engagement, Video Production, Content Performance Analysis, Customer Engagement, Content Creation, Drive Engagement, Marketing Analytics, Digital Publishing, Social Media Analytics, Content Marketing, Marketing Channel, Target Audience, Content Strategy, Cross-Channel Marketing, Promotional Strategies, Marketing, Marketing Effectiveness, Business Marketing, Performance Analysis, Social Media Marketing
★ 4.7 (18) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Regression Analysis, Data Science, Machine Learning Methods, Statistical Machine Learning, Data-Driven Decision-Making, R Programming, Statistical Inference, Applied Machine Learning, Machine Learning, Statistical Methods, R (Software), Statistical Programming
★ 4.5 (39) · Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Responsible AI, MLOps (Machine Learning Operations), Data Preprocessing, Model Deployment, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Apache Mahout, AI Security, Applied Machine Learning, Classification Algorithms, CI/CD, Java, Java Programming, Machine Learning Software, Jenkins, Deep Learning, Machine Learning, Spring Boot, Natural Language Processing, Reinforcement Learning
Intermediate · Specialization · 1 - 3 Months

Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Continuous Integration, Sprint Planning, Kaizen Methodology, Quality Improvement, Process Improvement, Backlogs, DevSecOps, Agile Product Development, Scalability, Performance Metric, Organizational Development, Integration Testing, Coordinating, Software Development, Performance Reporting, Management Reporting, AI Integrations, Project Management, Meeting Facilitation, Git (Version Control System)
★ 2.9 (14) · Beginner · Specialization · 1 - 3 Months