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 Boulder
Skills you'll gain: Bash (Scripting Language), Scalability, Distributed Computing, Shell Script, Computer Systems, Big Data, Linux Commands, Hardware Architecture, Operating Systems, Unix Shell, File Systems, Computing Platforms, Linux, Performance Testing, Scripting, Performance Tuning, Memory Management, Computer Architecture, Capacity Management, File Management
Build toward a degree
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Electrical Systems, Electric Power Systems, Electrical Power, Energy and Utilities, Control Systems, Electrical Equipment, Three-Phase, High Voltage, Wiring Diagram, Network Model, Electrical Engineering, Engineering Analysis, Systems Analysis, Failure Analysis, Simulation and Simulation Software, Network Analysis, Numerical Analysis, Engineering Calculations, Mathematical Modeling, Simulations
Intermediate · Specialization · 1 - 3 Months

Columbia University
Skills you'll gain: Computer Vision, Image Quality, Image Analysis, Computer Graphics, 3D Modeling, Photography, Virtual Reality, Visualization (Computer Graphics), Medical Imaging, Artificial Neural Networks, Unsupervised Learning, Graph Theory, Dimensionality Reduction, Mathematical Modeling, Estimation, Machine Learning Algorithms, Color Theory, Algorithms, Automation Engineering, Electronic Components
Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Windows PowerShell, Linux, Endpoint Security, Operating System Administration, Linux Administration, Endpoint Detection and Response, File Systems, Command-Line Interface, Unix, Linux Commands, Microsoft Windows, Unix Commands, Operating Systems, Event Monitoring, Windows Servers, Continuous Monitoring, Remote Access Systems, System Monitoring, System Software, Computer Security Incident Management
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Prompt Engineering, Context Engineering, Generative AI, Retrieval-Augmented Generation, Generative Model Architectures, Multimodal Prompts, ChatGPT, AI literacy, OpenAI, Generative Adversarial Networks (GANs), Responsible AI, Context Management, Data Ethics, Large Language Modeling, Embeddings
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Azure, Cloud Management, Cloud Computing, Cloud Infrastructure, Infrastructure As A Service (IaaS), Cloud Deployment, Cloud Services, Cloud Platforms, Infrastructure as Code (IaC), Virtual Machines, Hybrid Cloud Computing, System Monitoring, Cloud Security, Scalability
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Data Collection, Transportation Operations, Surveys, Statistical Modeling, Quantitative Research, Mathematical Modeling, Sampling (Statistics), Predictive Modeling, Statistical Methods, Regression Analysis, Network Model, Model Evaluation, Logistic Regression, Probability Distribution, Probability
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Angular, JavaScript Frameworks, Application Deployment, UI Components, Application Frameworks, Frontend Performance, Server Side, Restful API, Code Reusability, Software Architecture, Maintainability
Beginner · Course · 1 - 4 Weeks
University of California, Irvine
Skills you'll gain: Blockchain, FinTech, Cryptography, Distributed Computing, Transaction Processing, Payment Systems, Cryptographic Protocols, Emerging Technologies, Digital Assets, Digital Transformation, Software Architecture, Data Integrity, Network Analysis
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Electrical Systems, Electrical Power, Electrical Substation, Electric Power Systems, Three-Phase, High Voltage, Electrical Equipment, Electrical Safety, Control Systems, Energy and Utilities, Construction, Automation Engineering, Communication Systems, Acceptance Testing, Network Protocols
Beginner · Course · 1 - 3 Months

Skills you'll gain: Control Systems, Programmable Logic Controllers, Animations, Human Machine Interfaces, UI Components, Real-Time Operating Systems, Visualization (Computer Graphics), Control Panels, Interactive Design, User Interface (UI), Code Reusability, Program Development, Simulations, Interactive Data Visualization, Automation Engineering, Machine Controls, Computer Hardware, Electrical Wiring, Computational Logic, Network Troubleshooting
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: AI Security, Cybersecurity, Cyber Attacks, Fraud detection, Classification Algorithms, Email Security, Threat Detection, Jupyter, Authentications, Machine Learning Algorithms, Artificial Intelligence, Applied Machine Learning, Machine Learning, Supervised Learning
Intermediate · Course · 1 - 4 Weeks