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: R Programming, Rmarkdown, R (Software), Tidyverse (R Package), Ggplot2, Data Import/Export, Data Visualization, Plot (Graphics), Statistical Visualization, Data Analysis, Statistical Reporting, Data Visualization Software, Data Presentation, Data Science, Data Manipulation, Statistical Analysis, Data Wrangling, Data Cleansing, Data Integration, Communication
Beginner · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Marketing Strategies, Branding, Global Marketing, Marketing, Brand Management, Social Media Marketing, Loyalty Programs, Consumer Behaviour, Business Modeling, Strategic Partnership, Digital Marketing, E-Commerce, Event Planning, Augmented Reality, Business Analysis, Virtual Reality, Price Negotiation, Blockchain, Data Analysis, Artificial Intelligence
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

Skills you'll gain: Microsoft Teams, Microsoft 365, Team Management, Group Policy, Data Loss Prevention, Azure Active Directory, System Monitoring, User Provisioning, Event Monitoring, Role-Based Access Control (RBAC), Identity and Access Management, System Configuration, Data Security, Security Management, Enterprise Application Management, Security Controls, Network Administration, Collaborative Software, Network Troubleshooting, Technical Support and Services
Intermediate · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Clinical Informatics, Clinical Practices, AI Enablement, Health Care Procedure and Regulation, Healthcare Industry Knowledge, Health Care, Artificial Intelligence, Data-Driven Decision-Making, AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Health Administration, Generative AI Agents, Predictive Analytics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Authorization (Computing), Azure Active Directory, Cloud Infrastructure, Authentications, Cloud Security, IT Security Architecture, Role-Based Access Control (RBAC), Infrastructure Security, System Monitoring, Identity and Access Management, Cloud Computing Architecture, Cloud Management, Cloud Solutions, Data Governance, Enterprise Application Management, Cloud Applications, Security Management, Information Management, Solution Design
Intermediate · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Generative AI, AI Enablement, Generative Model Architectures, Regulatory Compliance, Data Ethics, Responsible AI, Regulation and Legal Compliance, Change Management, Market Dynamics, Decision Intelligence, Market Intelligence, Organizational Change, Advanced Analytics, AI Integrations, Market Research, Revenue Management, Regulatory Requirements, Data-Driven Decision-Making, Data Governance, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Node.JS, Server Side, MongoDB, Back-End Web Development, Restful API, Full-Stack Web Development, Web Applications, Database Development, Frontend Integration, Web Development, JavaScript Frameworks, Database Management, Secure Coding, Application Programming Interface (API), Software Architecture, NoSQL, API Design, Authentications, Performance Tuning, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Product Promotion, Search Engine Optimization, Paid media, E-Commerce, Logistics Management, Promotions and Campaigns, Logistics, Product Marketing, Promotional Strategies, Product Knowledge, Online Advertising, Digital Advertising, Content Optimization, Social Media Marketing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, Node.JS, API Gateway, Application Deployment, Software Architecture, Cloud Applications, Application Design, Communication Systems, Scalability
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Architecture, Real Time Data, Data Lakes, Capacity Management, Data Pipelines, PySpark, Transact-SQL, Apache Spark, Data Transformation, Data Security, Event Monitoring, Microsoft Copilot, Continuous Monitoring, Data Analysis, Workflow Management, SQL, Artificial Intelligence and Machine Learning (AI/ML), Python Programming, Warehouse Operations, Warehouse Management
Intermediate · Course · 1 - 3 Months

Ball State University
Skills you'll gain: Data Ethics, Data Collection, Probability & Statistics, Sampling (Statistics), R (Software), Data Science, R Programming, General Science and Research, Data Structures, Data Analysis, Information Privacy, Informed Consent, Social Impact, Ethical Standards And Conduct, Algorithms
Build toward a degree
Beginner · Course · 1 - 3 Months