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.

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 (360) · Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Open Source Technology, Linux, Package and Software Management, Shell Script, Linux Administration, Ubuntu, Linux Commands, Microsoft Windows, Unix Shell, User Accounts, Bash (Scripting Language), Command-Line Interface, Linux Servers, Systems Administration, Unix, Operating Systems, Desktop Support, Windows Servers, System Configuration, Security Management
★ 4.6 (160) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Prompt Engineering, Customer Retention, Customer Acquisition Management, Customer experience improvement, Responsible AI, Customer Service, Customer experience strategy (CX), Customer Success Management, Customer Engagement, Generative AI, Customer Support, Customer Analysis, AI Personalization, ChatGPT, Anthropic Claude, Artificial Intelligence, Business Process Automation, Data-Driven Decision-Making, Automation, Predictive Analytics
★ 4.6 (353) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Spreadsheet Software, Data Visualization, Plot (Graphics), Data Management
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Theoretical Computer Science, Data Structures, Computer Science, Computer Architecture, Computer Systems, Algorithms, Computer Programming, Computational Logic, Java Programming, Computer Hardware, Scalability
★ 4.7 (786) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Power BI, Microsoft Copilot, Model Optimization, Data Lakes, Data Architecture, Process Optimization, Enterprise Modeling, Process Improvement and Optimization, Real Time Data, Data Modeling, AI Integrations, Performance Tuning, Machine Learning Software, Natural Language Processing
Intermediate · Course · 1 - 3 Months
Universitat Autònoma de Barcelona
Skills you'll gain: 3D Modeling, Video Game Development, Game Design, Animation and Game Design, Unity Engine, 3D Assets, Peer Review, User Interface (UI) Design, User Interface (UI), Computer Graphics, Animations, Visualization (Computer Graphics), Software Design Documents, Design, Experience Design, Design Elements And Principles, Music, UI Components, Computer Graphic Techniques, Interactive Design
★ 4.4 (920) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Disaster Recovery, Incident Management, Computer Security Incident Management, Business Continuity, Business Continuity Planning, Intrusion Detection and Prevention, Cyber Attacks, Cyber Security Policies, Investigation, Threat Detection, Contingency Planning, Digital Forensics
★ 4.6 (50) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Nutrition and Diet, Food and Beverage, Sustainable Systems, Public Health, Community Health, Social Justice, Sustainable Development, Community Development, Health Equity, Systems Thinking, Land Management, Environment, Environmental Issue, Environment and Resource Management, Health Policy, Public Policies, Health Promotion, Manufacturing and Production, Advocacy, Economics
★ 4.7 (165) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Time Series Analysis and Forecasting, Applied Machine Learning, Financial Forecasting, Statistical Analysis, Machine Learning, Trend Analysis, Financial Data, Financial Modeling, Forecasting, Jupyter, Predictive Modeling, Revenue Forecasting, Regression Analysis, GitHub, Statistical Modeling, Data Transformation
Intermediate · Course · 1 - 3 Months

University of Virginia Darden School Foundation
Skills you'll gain: Digital Transformation, Business Transformation, Product Lifecycle Management, Competitive Analysis, Technology Strategies, Data Strategy, Business Technologies, Competitive Intelligence, Emerging Technologies, Business Solutions, Innovation, Business Strategy, Business Economics, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.7 (467) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Cybersecurity, Encryption, Public Key Cryptography Standards (PKCS), Brute-force attacks
★ 4.5 (429) · Beginner · Course · 1 - 4 Weeks