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: SQL, Database Management, Query Languages, Data Analysis, Performance Tuning, Data Manipulation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Performance Testing, Scalability, Data Architecture, Software Architecture, Distributed Computing, Data Infrastructure, Performance Stress Testing, Predictive Modeling, Performance Tuning, Microservices, Big Data, Database Theory, Software Engineering, Database Systems, Data Store
★ 3.5 (31) · Advanced · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Presentation, Data Visualization, Microsoft Excel, Data Storytelling, Data Literacy, Data Visualization Software, Spreadsheet Software, Pivot Tables And Charts, Data Analysis, Data Science, Exploratory Data Analysis, Analysis, Productivity Software, Microsoft Office, Microsoft 365
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, Extract, Transform, Load, Business Intelligence, Data Modeling, Database Design, Data Management, Data Integration, Performance Tuning, Databases, Data Transformation, Query Languages, Performance Improvement
★ 4.1 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Power BI, Databricks, Microsoft Azure, Cloud Services, Data Warehousing, Data Architecture, Apache Spark, Database Systems, Cloud Storage, Database Theory, Databases, Data Store, Dashboard Creation, Analytics, Big Data, Extract, Transform, Load, Data Visualization Software, Data Integration, Data Visualization
★ 4.5 (133) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Integral Calculus, Calculus, Mathematical Theory & Analysis, Advanced Mathematics, Applied Mathematics, Graphing, Mathematical Modeling, Geometry, Physics
★ 4.7 (50) · Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Power BI, Data Transformation, Data Manipulation, Data Visualization Software, Data Cleansing, Data Visualization, Data Storytelling, Business Intelligence, Data Analysis, Data Analysis Software, Microsoft Excel, Data Quality, Exploratory Data Analysis, Query Languages, Microsoft PowerPoint, Microsoft 365, Microsoft Office
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Structures, Data Access, Python Programming, Data Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Seaborn, Plot (Graphics), Matplotlib, Scatter Plots, Statistical Visualization, Data Visualization, Data Presentation, Data Visualization Software, Box Plots, Descriptive Statistics, Exploratory Data Analysis, Statistical Analysis
★ 4.4 (22) · Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Data-Driven Decision-Making, Data Strategy, Strategic Decision-Making, Business Analytics, Business Intelligence, Analytics, Data Literacy, Decision Making, Forecasting, Data Science, Operational Analysis, Data Analysis, Market Intelligence, Predictive Analytics, Artificial Intelligence
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Data Transformation, Alteryx, Data Manipulation, Data Import/Export, Data Wrangling, Data Processing, Data Preprocessing, Workflow Management, Email Automation, Data Literacy, Scheduling, Automation, Exploratory Data Analysis
★ 4.1 (7) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Dashboard, Dashboard Creation, Interactive Data Visualization, Tableau Software, Data Presentation, Data Import/Export, Data Visualization, Data Literacy, Data Visualization Software, Business Intelligence, Data Analysis, Data Integration, Data Modeling
Intermediate · Guided Project · Less Than 2 Hours