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.

Splunk Inc.
Skills you'll gain: Splunk, Data Visualization Software, Dashboard, Security Information and Event Management (SIEM), Ad Hoc Reporting, Business Intelligence, Data Analysis, Email Automation, Data Processing, Big Data, Data Science, Query Languages, Analysis, Incident Response, Business Analysis, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Relational Databases, Data Visualization, Data Modeling, Cloud Security, Databases, Database Management, Data Analysis Expressions (DAX), Advanced Analytics, Data Management, Data Governance, Data Preprocessing, Microsoft Excel, Amazon Web Services, Data Integration, Data Security, Cost Control, Cloud Computing, Spreadsheet Software, Excel Formulas, Predictive Modeling
Intermediate · Specialization · 3 - 6 Months

National Taiwan University
Skills you'll gain: Artificial Intelligence, Logical Reasoning, Computer Science, Programming Principles, Algorithms, Simulations, Game Theory, Deep Learning, Machine Learning
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Care, Clinical Assessment, Primary Care, Psychosocial Assessments, Maternal Health, Health Assessment, Public Health and Disease Prevention, Patient-centered Care, Behavioral Health, Obstetrics And Gynecology, Gynecology, Community Health, Health Technology, Cultural Diversity, Health Policy, Safety and Security
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Prompt Engineering, Vibe coding, Debugging, Large Language Modeling, LLM Application, AI Security, Application Programming Interface (API), Responsible AI, Development Environment, AI Enablement, Integrated Development Environments, API Testing, Application Development, Application Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Application Security, Web Servers, Content Management Systems, Application Programming Interface (API), Databases
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Game Theory, Market Dynamics, Network Analysis, Graph Theory, Social Network Analysis, Bidding, Computational Thinking, Social Sciences, Socioeconomics, Market Analysis, Economics, Sociology, Decision Making, Probability
Mixed · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Ethics, Healthcare Ethics, Ethical Standards And Conduct, Responsible AI, Data Security, Data Science, Medical Privacy, Machine Learning Algorithms, Algorithms, Information Privacy, Artificial Intelligence, Diversity Awareness, Case Studies
Build toward a degree
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: R (Software), Data Import/Export, Package and Software Management, R Programming, Data Structures, Data-oriented programming, Statistical Programming, Data Analysis Software, Data Analysis, Data Science
Beginner · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: Generative Adversarial Networks (GANs), Autoencoders, Generative AI, Tensorflow, Generative Model Architectures, Image Analysis, Transfer Learning, Deep Learning, Convolutional Neural Networks, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Computer Vision, Image Analysis, Dimensionality Reduction, Artificial Neural Networks, Machine Learning Methods, Unsupervised Learning, Deep Learning, Graph Theory, Machine Learning Algorithms, Algorithms
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LLM Application, Prompt Engineering, Penetration Testing, Vulnerability Assessments, Security Testing, Vulnerability Management, Threat Modeling, AI Security, Application Security, Risk Management Framework
Beginner · Project · Less Than 2 Hours