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.

Princeton University
Skills you'll gain: Health Disparities, Food and Beverage, Health Equity, Social Justice, Sustainable Systems, Ethical Standards And Conduct, Nutrition and Diet, International Relations, Environmental Issue, Policy Analysis, Sustainable Development, Cultural Diversity, Cultural Sensitivity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Splunk, Dashboard Creation, Dashboard, Data Transformation, Interactive Data Visualization, Data Manipulation, Data Analysis, Statistical Analysis, Query Languages, Data Visualization Software, Statistical Methods, Data Presentation, Ad Hoc Reporting, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Power BI, Data Modeling, Data Transformation, Business Requirements, Model Optimization, Star Schema, Data Visualization Software, Snowflake Schema, Relational Databases, Data Manipulation, Requirements Elicitation, Data Import/Export, Data Cleansing, Requirements Analysis, Business Intelligence, Data Analysis, Stakeholder Management, Decision Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Risk Management, Continuous Monitoring, Risk Mitigation, Vulnerability Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Customer Relationship Management (CRM) Software, Customer Relationship Management, Customer Data Management, Record Keeping, Data Entry, Journey Mapping, Data Management, Data Maintenance, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Excel Formulas, Public Health and Disease Prevention, Statistical Methods, Time Series Analysis and Forecasting, Anomaly Detection, Exploratory Data Analysis, Descriptive Analytics
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), R (Software), Statistical Inference, Probability Distribution, R Programming, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Probability & Statistics, Statistical Software, Data Science, Statistics, Data Analysis, Statistical Analysis, Probability, Data Literacy, Statistical Visualization, Data Manipulation
Build toward a degree
Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Java Programming, Java, Memory Management, Object Oriented Design, Programming Principles, Object Oriented Programming (OOP), Computer Programming, Computational Logic, API Design, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Patient Communication, Active Listening, Medical Office Procedures, Patient Coordination, Patient-centered Care, Care Coordination, Trustworthiness, Health Care Administration, Verbal Communication Skills, Empathy, Concision, Communication Strategies, Verbal Strategic Communication, Patient Safety, Communication, Professionalism, Relationship Building, Clinical Documentation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Spreadsheet Software, Excel Macros, Data Presentation, Data Analysis, Data Visualization Software, Data Security, Data Integrity, Automation
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Generative AI Agents, Responsible AI, Google Gemini, Retrieval-Augmented Generation, Generative AI, Gemini, Generative Model Architectures, Prompt Patterns, Google Workspace, AI Product Strategy, AI Security, AI Workflows, Google Cloud Platform, Large Language Modeling, Agentic systems, Customer experience improvement, Artificial Intelligence, Cloud Computing, Collaboration
Beginner · Specialization · 3 - 6 Months

Pragmatic AI Labs
Skills you'll gain: Claude Code, Infrastructure as Code (IaC), CI/CD, Bash (Scripting Language), PostgreSQL, Redis, Google Cloud Platform, Ubuntu, Agile Project Management, Continuous Integration, Prometheus (Software), Object Oriented Design, Data Pipelines, Linux Commands, SQL, Web Development Tools, Extract, Transform, Load, Amazon S3, Computational Logic, Software Development
Beginner · Specialization · 3 - 6 Months