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.

LearnQuest
Skills you'll gain: AI Enablement, Regulatory Requirements, Responsible AI, Compliance Management, Business Transformation, Risk Analysis, Regulation and Legal Compliance, Business Solutions, Cross-Functional Team Leadership, Key Performance Indicators (KPIs), Digital Transformation, Business Risk Management, Scalability, Risk Management, Culture Transformation, Cross-Functional Collaboration, Data-Driven Decision-Making, Employee Training
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Analytics and SEO, Search Engine Optimization, Content Marketing, Web Analytics, Blogs, Search Engine Marketing, Content Creation, Marketing Strategy and Techniques, Digital Marketing, Growth Strategies, Content Strategy, Social Media Marketing, Market Research
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Web Development, Flask (Web Framework), Restful API, Cloud Deployment, Selenium (Software), Front-End Web Development, Web Applications, Full-Stack Web Development, Object-Relational Mapping, JavaScript Frameworks, Application Security, HTML and CSS, Back-End Web Development, Databases, Application Programming Interface (API), Python Programming, Vue.JS, Relational Databases, SQL, Collaboration
Beginner · 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

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

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Ethics, Experimentation, Research Design, Statistical Methods, Data Science, Data Analysis, Statistical Analysis, Data Modeling, Predictive Modeling, Mathematical Modeling, Probability & Statistics, A/B Testing, Quantitative Research, Machine Learning, Model Evaluation
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Test Script Development, Selenium (Software)
Beginner · Course · 1 - 4 Weeks
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Encryption, Transaction Processing, Authentications, FinTech, Data Security, Emerging Technologies, Data Integrity, Distributed Computing
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Azure, NoSQL, Database Administration, Data Store, Database Systems, Cloud Storage, Database Theory, Data Storage, Cloud Services, Data Storage Technologies, Data Security, Data Management, Query Languages, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Inventory Management System, Tax Management, Accounting Software, Customer Relationship Management (CRM) Software, Small Business Accounting, Bookkeeping, Accounting, Payroll Systems, Cloud Security
Beginner · Guided Project · Less Than 2 Hours

Universidad Nacional Autónoma de México
Skills you'll gain: Chemistry, International Relations, Environmental Regulations, Biochemistry, Ethical Standards And Conduct, Risk Control, Public Safety and National Security, Personal protective equipment, World History
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Recurrent Neural Networks (RNNs), Model Evaluation, Convolutional Neural Networks, Natural Language Processing, Deep Learning, Generative Adversarial Networks (GANs), Classification Algorithms, Transfer Learning, Applied Machine Learning, Vision Transformer (ViT), Image Analysis, Machine Learning, Computer Vision, Artificial Neural Networks, Artificial Intelligence, Unsupervised Learning, Python Programming, Embeddings, Data Preprocessing
Intermediate · Specialization · 3 - 6 Months