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: Agentic Workflows, AI Personalization, Agentic systems, Sales Training, Competitive Intelligence, Sales Management, Generative AI Agents, Sales Strategy, Sales, Personalized Campaigns, Customer Analysis, Customer Relationship Management (CRM) Software, Sales Process, Customer Relationship Management, Real Time Data, Proposal Writing, Automation, Customer Insights, Proposal Development
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Dashboard Creation, Interactive Data Visualization, Devops Tools, Cloud Deployment, Business Metrics, Kubernetes, Microservices, Distributed Computing, Anomaly Detection
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Health Informatics, Statistical Visualization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Patient Registration, Claims Processing, Patient Safety, Denial Management, Medical Billing, Revenue Cycle Management, Health Information Management, Copayment Collection and Processing, Practice Management Software, Medical Records, Medical Billing and Coding, Patient Communication, Data Entry, Data Validation, Document Management, Data Integrity, Data Quality
Beginner · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Risk Analysis, Analysis, Systems Thinking, World History, International Relations, Risk Management, Systems Analysis, Social Network Analysis, International Finance, Financial Systems, Infectious Diseases, Public Health, Socioeconomics, Social Sciences, Health Policy, Governance, Epidemiology, Complex Problem Solving, Economics, Supply Chain
★ 4.7 (458) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Open Source Technology, Package and Software Management, Unit Testing, R (Software), GitHub, Version Control, Rmarkdown, Cross Platform Development, Software Versioning, Software Documentation, Test Case, Testability, R Programming, Code Reusability, Knitr, Continuous Integration, Program Development, Build Tools, Git (Version Control System), Development Testing
★ 4.1 (223) · Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Policy, Financial Systems, Banking, Financial Market, Bank Regulations, Financial Regulation, Capital Markets, Market Liquidity, Economics, Loans, Economics, Policy, and Social Studies, Credit Risk, General Lending, Crisis Management, Crisis Intervention
★ 4.7 (125) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Machines, Cloud Security, Public Cloud, Amazon Web Services, Scalability, Virtual Networking, Private Cloud, Cloud Computing Architecture, Cloud Platforms, Cloud Computing, Cloud Infrastructure, Cloud Services, Cloud Deployment
★ 4.4 (174) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Azure Synapse Analytics, Data Security, Databricks, Data Store, Data Quality, Microsoft Azure, Data Storage, Security Controls, Data Transformation, Data Processing, Data Cleansing, Performance Tuning, Data Integration, Data Pipelines, Apache Spark, Encryption, Data Analysis
★ 4.3 (18) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Data Collection, Surveys, Quantitative Research, Statistical Methods, Statistical Analysis, Statistical Software, Probability & Statistics, Probability, Statistical Inference, Network Analysis, Research Design, Social Network Analysis
★ 4.3 (111) · Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Internet Of Things, Advanced Analytics, Big Data, Data Management, Wireless Networks, Predictive Analytics, Applied Machine Learning, Analytics, Water Sustainability, Data-Driven Decision-Making, Sustainable Systems, Environmental Monitoring, Geospatial Information and Technology, Telecommunications, Sustainable Technologies, Machine Controls, Real Time Data, Automation, Data Analysis, Data Collection
★ 4.6 (327) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Services, Cloud Platforms, Cloud Computing, Cloud Deployment, Cloud Storage, Cloud Security, Computing Platforms, Cloud Management
★ 4.9 (55) · Beginner · Course · 1 - 4 Weeks