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: Endpoint Security, Zero Trust Network Access, IT Security Architecture, Data Security, Security Architecture Review, Security Strategy, Cloud Security, Cyber Security Strategy, Cloud Services, Microsoft Azure, Security Information and Event Management (SIEM), Security Controls, Cybersecurity, Cyber Security Assessment, Threat Modeling, Cyber Threat Intelligence, Application Security, Cyber Security Policies, API Design, Infrastructure Security
Advanced · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Mathematical Modeling, Statistical Modeling, Simulations, Epidemiology, Infectious Diseases, R Programming, Public Health and Disease Prevention, Model Evaluation, Predictive Modeling, R (Software), Public Health
★ 4.5 (31) · Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Statistical Methods, Bayesian Statistics, Statistics, Probability & Statistics, Analytics, Data Storage Technologies, Exploratory Data Analysis, Data Store, Mathematical Software, Data Storage, Data Access, Database Software, Estimation, Machine Learning Methods, Data-Driven Decision-Making, Applied Machine Learning, Supervised Learning, Markov Model, Logistic Regression, Regression Testing
★ 4.3 (6) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Figma (Design Software), UI Components, Prototyping, Interactive Design, Interaction Design, User Experience, Motion Graphics, User Interface (UI), Responsive Web Design, Animations, User Interface (UI) Design, Typography, Design Software, Layout Design, Scalability
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Spring Framework, Java, Spring Boot, API Design, Application Programming Interface (API), Hibernate (Java), Data Validation, Development Testing, Verification And Validation, Authentications, Model View Controller, Back-End Web Development, Code Reusability, Object-Relational Mapping, Programming Principles, Maintainability
Intermediate · Specialization · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Social Sciences, Surveys, Social Determinants Of Health, Scientific Methods, Social Impact, Socioeconomics, Infectious Diseases, Economics, Policy, and Social Studies, Community Health, Community Outreach, Health Systems, Public Health and Disease Prevention, Behavior Management, Public Health, Health Policy, Governance, Medical Science and Research, Microbiology, Policy Development
★ 4.6 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: System Monitoring, Data Analysis Expressions (DAX), Real Time Data, Performance Tuning, Microsoft Azure, Dataflow, Data Pipelines, Data Warehousing, Power BI, Apache Spark, Data Governance, Business Analytics, SQL, Data Management, Workflow Management, Data Science, Security Engineering, Artificial Intelligence and Machine Learning (AI/ML), Warehouse Management, Application Deployment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Infrastructure as Code (IaC), Identity and Access Management, Verification And Validation, Cloud Deployment, IT Infrastructure, IT Automation, Code Reusability, Development Testing, Data Structures, Authentications, Data Security, Dependency Analysis, Relational Databases, Software Installation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Systems Analysis, Technical Support and Services, Virtual Environment, Virtualization and Virtual Machines, System Configuration, Record Keeping, Configuration Management
Beginner · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Exploratory Data Analysis, Statistical Methods, Statistical Modeling, Statistical Software, R (Software), Probability & Statistics, Data Collection, Statistics, Data Literacy, Statistical Inference, R Programming, Statistical Programming, Probability, Data Analysis, Statistical Analysis, Probability Distribution, Simulations, Statistical Visualization, Statistical Reporting, Data Visualization Software
★ 4.8 (10) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Node.JS, JSON, Server Side, Web Development Tools, Back-End Web Development, JavaScript Frameworks, Web Servers, Application Programming Interface (API), Restful API, Javascript, Web Development, Package and Software Management, Servers, Network Protocols
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Hardware, SQL, Hardware Architecture, General Networking, Database Design, Database Software, Hardware Troubleshooting, Networking Hardware, Database Theory, Databases, Database Management Systems, Computer Networking, Relational Databases, Network Support, Database Management, Network Protocols, Query Languages, Information Technology, Network Routers, Wireless Networks
Beginner · Course · 1 - 4 Weeks