Data security courses can help you learn encryption techniques, risk assessment strategies, incident response planning, and compliance regulations. You can build skills in vulnerability management, threat detection, and secure coding practices. Many courses introduce tools like firewalls, intrusion detection systems, and data loss prevention software, demonstrating how these skills are applied to protect sensitive information and maintain system integrity.

Michigan State University
Skills you'll gain: Interviewing Skills, Journalism, Research, Ethical Standards And Conduct, Data Collection, Rapport Building, Media and Communications, Community Outreach, Electronic Media, Diversity Awareness
★ 4.7 (511) · Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Performance Tuning, Postman API Platform, Restful API, Application Programming Interface (API), Data Validation, Authentications, Frontend Integration, React.js, API Testing, Authorization (Computing), Secure Coding, Object-Relational Mapping, API Design, Scalability, JavaScript Frameworks, JSON, Test Tools, Web Development, Python Programming
★ 4.6 (163) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Object-Relational Mapping, Django (Web Framework), Database Application, Database Development, Bootstrap (Front-End Framework), Database Administration, Full-Stack Web Development, Cloud Deployment, Database Management, SQL, Database Theory, Cloud Applications, Relational Databases, Frontend Integration, Databases, Database Design, Database Systems, Application Deployment, Authentications, Back-End Web Development
★ 4.5 (363) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Spatial Data Analysis, GIS Software, Geographic Information Systems, Spatial Analysis, Query Languages, SQL, Geospatial Information and Technology, PostgreSQL, Database Development, Performance Tuning
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Requirements Analysis, User Requirements Documents, Systems Development Life Cycle, Software Development Methodologies, Requirements Elicitation, Agile Methodology, Software Documentation, Software Design Documents, Security Requirements Analysis, System Requirements, Software Development Life Cycle, Agile Software Development, Waterfall Methodology
★ 4.6 (688) · Beginner · Course · 1 - 4 Weeks
Illinois Tech
Skills you'll gain: Operating System Administration, Linux Administration, Microsoft Windows, Command-Line Interface, Operating Systems, System Configuration, Event Monitoring, Authorization (Computing), Desktop Support, OS Process Management, Network Security, Package and Software Management, Information Technology, IT Automation, Network Administration, General Networking, Software Installation
★ 4.6 (169) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Medical Billing, Patient Registration, Revenue Cycle Management, Billing, Health Systems, Healthcare Industry Knowledge, Health Care, Insurance, Administration
★ 4.7 (173) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Scrum (Software Development), Agile Project Management, Backlogs, Sprint Planning, Agile Methodology, User Story, Data-Driven Decision-Making, Agile Software Development, Project Estimation, Product Requirements, Agile Product Development, Waterfall Methodology, Lean Methodologies, Project Performance, Kanban Principles, Product Management, Project Management, Prioritization, Estimation, Problem Solving
★ 4.8 (119) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: z/OS, Mainframe Computing, Data Maintenance, Mainframe Technologies, Data Management, Control Panels, Command-Line Interface, User Interface (UI), Remote Access Systems
★ 4.7 (442) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Responsible AI, Agentic systems, Data Ethics, Machine Learning Algorithms, Model Training, Agentic Workflows, Decision Intelligence, Data Governance, AI Enablement, Health Systems, Machine Learning Methods, Health Informatics, Artificial Intelligence, Digital Transformation, Healthcare Industry Knowledge, Generative AI Agents, Health Technology, Health Information Management, Information Technology, Information Systems
★ 4.6 (36) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cash Flow Forecasting, Financial Forecasting, Cash Flows, Financial Analysis, Financial Data, Business Planning, Entrepreneurship, Forecasting, Financial Planning, Financial Management, Finance, Business Strategy, Strategic Decision-Making, Strategic Planning
★ 4.7 (526) · Mixed · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Web Presence, digital literacy, Social Media, Data Management, Data Ethics, Goal Setting
★ 4.6 (670) · Beginner · Course · 1 - 4 Weeks