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.

Skills you'll gain: TCP/IP, Network Routers, Network Routing, Network Security, General Networking, Network Engineering, Remote Access Systems, Network Administration, Network Protocols, Network Infrastructure, Network Troubleshooting, Network Switches, System Configuration
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Climate Change Adaptation, Water Resources, Climate Change Programs, Water Resource Management, Hydrology, Environmental Resource Management, Risk Management, Water Quality, Water Sustainability, Mitigation, Natural Resource Management, Environment, Climate Change Mitigation, Sustainable Development, Social Impact, Social Sciences, Hazard Analysis, Social Network Analysis, Physical Science, Governance
★ 4.7 (330) · Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Electrical Systems, Electrical Power, Electrical Substation, Electric Power Systems, Low Voltage, Electrical Wiring, Three-Phase, High Voltage, Electrical Equipment, Electrical Safety, Control Systems, Energy and Utilities, Construction, Construction Inspection, Automation Engineering, Communication Systems, Digital Communications, Acceptance Testing, Network Protocols, Product Testing
★ 4.5 (152) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Intercultural Competence, Cultural Sensitivity, Healthcare Ethics, Cultural Diversity, Public Health and Disease Prevention, Stress Management, Preventative Care, Injury Prevention, Occupational Health, Public Health, Health And Safety Standards, Safety and Security, Ethical Standards And Conduct, Adaptability, Infectious Diseases, Emergency Response, Mental Health, Planning
★ 4.7 (465) · Beginner · Course · 1 - 4 Weeks
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, FinTech, Data Sharing, Public Key Infrastructure, Transaction Processing, Key Management, Fraud detection, Distributed Computing, Payment Systems, Data Integrity, Network Model, Emerging Technologies, Digital Assets, Authentications, Data Security, Information Privacy, Digital Transformation
★ 4.1 (235) · Beginner · Specialization · 3 - 6 Months
University of Toronto
Skills you'll gain: Bioinformatics, Network Analysis, Informatics, Data Visualization Software, Scientific Visualization, Network Model, Data Analysis Software, Data Mining, Exploratory Data Analysis, Analysis, Interactive Data Visualization, Databases
★ 4.8 (255) · Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Secure Coding, Software Design, System Design and Implementation, Programming Principles, Security Engineering, Program Development, Vulnerability Assessments, C (Programming Language), Software Development Methodologies
★ 4.4 (383) · Intermediate · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Federated Learning, Wireless Networks, Emerging Technologies, Digital Communications, Communication Systems, Blockchain, Internet Of Things, Network Security, Telecommunications, Network Performance Management, Network Planning And Design, Zero Trust Network Access, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Network Analysis, Information Technology, Electronics Engineering, Machine Learning, Trustworthiness
★ 4.6 (15) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Test Automation, Test Script Development, Continuous Integration, CI/CD, Software Testing, Web Development Tools, Test Execution Engine, Test Tools, Test Case, Test Data, Debugging, Maintainability, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Responsible AI, Data Ethics, Generative AI, Human Centered Design, Problem Solving, Critical Thinking and Problem Solving, AI Security, Business Leadership, Strategic Leadership, AI Product Strategy, Generative Adversarial Networks (GANs), Business Strategy, Ethical Standards And Conduct, Decision Intelligence, Strategic Thinking, Artificial Intelligence, Critical Thinking, Design Thinking, Thought Leadership, Project Implementation
★ 4.6 (242) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Apache Airflow, Docker (Software), Git (Version Control System), SQL, Data Pipelines, Containerization, CI/CD, Debugging, Ansible, Database Management, Continuous Deployment, Performance Tuning, Infrastructure as Code (IaC), Continuous Integration, Workflow Management, DevOps, Automation, Configuration Management, Root Cause Analysis, Python Programming
Intermediate · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Data Storytelling, Dashboard Creation, Data Presentation, Dashboard, Data Visualization, Interactive Data Visualization, Stakeholder Analysis, Tableau Software, Data Visualization Software, Requirements Analysis, Stakeholder Management, Data Cleansing, Stakeholder Engagement, Storyboarding, Data Quality, Data Preprocessing
★ 4.6 (1.1K) · Beginner · Course · 1 - 4 Weeks