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.

University of Colorado System
Skills you'll gain: Bayesian Network, Numerical Analysis, Estimation, Simulations, Matlab, Mathematical Modeling, Applied Mathematics, Engineering Analysis, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Building Codes, Electric Power Systems, Environmental Regulations, Power Electronics, Sustainable Design, Sustainable Technologies, Energy and Utilities, High Voltage, Electrical Engineering, Electrical Safety, Scalability, Wireless Networks, Capacity Management, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Remote Access Systems, Command-Line Interface, System Monitoring, Unix Commands, User Accounts, Linux, Linux Administration, Shell Script, Linux Commands, Operating System Administration, Systems Administration, Software Installation, File Systems, System Configuration, Data Sharing, Security Controls, Operating Systems, File Management
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Multiprotocol Label Switching, Network Troubleshooting, Routing Protocols, Network Monitoring, Wide Area Networks, Network Routing, Network Planning And Design, Network Architecture, Network Protocols, Data Structures, System Configuration, Debugging
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Object Oriented Programming (OOP), Web Scraping, Data Structures, Test Driven Development (TDD), Computer Programming, Python Programming, Scripting Languages, User Interface (UI), Open Source Technology, Database Development, Program Development, File I/O, Data Persistence, Software Design
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Crisis Management, Mediation, Negotiation, Conflict Management, Diplomacy, Leadership, Governance, Public Safety and National Security, International Relations, Social Justice, Diversity and Inclusion, Decision Making, Case Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Sampling (Statistics), Matplotlib, Data Analysis, Data Mining, Statistical Analysis, Statistical Hypothesis Testing, NumPy, Pandas (Python Package), Probability Distribution, Dimensionality Reduction, Model Evaluation, R Programming, Probability, Python Programming, Scikit Learn (Machine Learning Library), Data Preprocessing, Linear Algebra, Applied Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Electric Power Systems, Simulation and Simulation Software, Energy and Utilities, Electrical Systems, Power Electronics, Sustainable Technologies, Scalability, Electrical Equipment, Emerging Technologies, Innovation, Cost Estimation, Environment, Matlab
Beginner · Course · 1 - 3 Months

Skills you'll gain: Help Desk Support, Desktop Support, End User Training and Support, Technical Support, Software Documentation, Technical Documentation, Network Troubleshooting, Hardware Troubleshooting, Issue Tracking
Beginner · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Internet Of Things, Network Protocols, Embedded Software, Interoperability, Digital Communications, Telecommunications, Network Analysis, Virtual Machines
Mixed · Course · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Cloud Computing, Data Storage, Role-Based Access Control (RBAC), System Monitoring, Cloud Storage, Security Controls, NoSQL, Encryption, Scalability
Intermediate · Course · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Sports Medicine, Analytics, Artificial Intelligence, AI Enablement, Data Analysis Software, Data Analysis, Deep Learning, Real Time Data, Machine Learning, Data Ethics, Health Technology, AI Security, Responsible AI, Large Language Modeling, Technology Solutions, Scikit Learn (Machine Learning Library), Technology Strategies, Statistical Methods, Natural Language Processing, Performance Appraisal
Beginner · Course · 1 - 4 Weeks