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: Cryptography, Encryption, Cloud Security, Cyber Security Assessment, Cloud Computing, Advanced Encryption Standard (AES), Data Security, Public Key Infrastructure
Intermediate · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Responsible AI, Data Ethics, AI Security, Generative AI, Artificial Intelligence, AI Product Strategy, Machine Learning, Model Evaluation, Information Privacy
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Preprocessing, Applied Machine Learning, Dimensionality Reduction, Data Cleansing, Scikit Learn (Machine Learning Library), Data Transformation, Artificial Neural Networks, Random Forest Algorithm, Machine Learning, Unsupervised Learning, Supervised Learning, Classification Algorithms, Predictive Modeling, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Keras (Neural Network Library), Data Preprocessing, Deep Learning, Artificial Neural Networks, Tensorflow, Applied Machine Learning, Feature Engineering, Property and Real Estate, Predictive Modeling, Data Cleansing, Data Manipulation, Machine Learning, Real Estate, Regression Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Ethics, Dashboard, Power BI, Business Intelligence, Interactive Data Visualization, Data Presentation, Data Visualization, Data Storytelling, Data Visualization Software, Data-Driven Decision-Making, Business Reporting, Business Analytics, Data Analysis Expressions (DAX), Data Security, Data Management, Key Performance Indicators (KPIs), Data Analysis, Performance Analysis, Performance Tuning
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Lakes, Data Governance, Data Warehousing, Data Infrastructure, Data Architecture, Google Cloud Platform, Data Management, Advanced Analytics, Data Security, Big Data, Cloud Storage, Data Pipelines, Machine Learning Methods
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Kubernetes, Application Deployment, Cloud Deployment, Containerization, Authentications, Authorization (Computing), Cloud-Native Computing, Cloud Infrastructure, Microservices, Infrastructure Architecture, Cloud Computing Architecture, Data Persistence, Software Architecture, Scalability, Command-Line Interface
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Computational Logic, Mathematical Modeling, System Requirements, Functional Requirement, Theoretical Computer Science, Verification And Validation, Control Systems, Automation, Network Model, Systems Analysis, Mechanical Engineering, Systems Design, Model Evaluation, Real-Time Operating Systems, Simulations, Robotics, Differential Equations, Safety Assurance, Artificial Intelligence, Algorithms
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Ajax, JSON, Javascript, Frontend Integration, Application Programming Interface (API), Restful API, Web Applications, Application Security, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Teams, Microsoft 365, Team Management, Group Policy, Data Loss Prevention, Azure Active Directory, System Monitoring, User Accounts, Identity and Access Management, Security Management, Authorization (Computing), System Configuration, Collaborative Software, Compliance Management, Product Lifecycle Management, Windows PowerShell, Network Planning And Design, Network Troubleshooting, Technical Support and Services, Data Governance
Intermediate · Specialization · 3 - 6 Months

National Taiwan University
Skills you'll gain: Reinforcement Learning, Deep Learning, Theoretical Computer Science, Classification Algorithms, Artificial Neural Networks, Artificial Intelligence, Machine Learning, Model Evaluation, Autoencoders, Convolutional Neural Networks, Supervised Learning, Computer Science, Decision Tree Learning, Algorithms
Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Epidemiology, Infectious Diseases, Mathematical Modeling, Public Health, R Programming, Differential Equations
Intermediate · Course · 1 - 4 Weeks