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: Extract, Transform, Load, Data Integration, Databases, Data Processing, Data Import/Export, Database Management, Data Manipulation, File I/O, Data Mapping, Dataflow, Software Installation, Data Transformation, Software Versioning
Mixed · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Probability & Statistics, Microsoft Excel, Descriptive Statistics, Box Plots, Statistical Methods, Probability Distribution, Statistical Visualization, Data Visualization, Probability, Statistics, Excel Formulas, Plot (Graphics), Business Mathematics, Spreadsheet Software, Data-Driven Decision-Making, Mathematical Theory & Analysis, Algebra, Bayesian Statistics, Arithmetic, Case Studies
★ 4.6 (19) · Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Data Literacy, Tableau Software, Data Presentation, Interactive Data Visualization, Data Visualization Software, Excel Macros, Analytics, Accounting Software, Specialized Accounting, Analytical Skills, Accounting Systems, Business Analytics, Microsoft Excel, Spreadsheet Software, Data Collection, Data-Driven Decision-Making, Data Analysis, Predictive Analytics, Data Architecture
★ 4.8 (458) · Beginner · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Responsible AI, Data Ethics, Data Mapping, AI Integrations, Data Governance, AI Workflows, Data Pipelines, Data Transformation, Governance, Data Integrity, Data Quality, Information Assurance, Risk Modeling, Metadata Management, Automation, Data Security
★ 4.8 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Scientific Visualization, Visualization (Computer Graphics), Plot (Graphics), Statistical Visualization, Interactive Data Visualization, Data Visualization Software, Computer Graphics, Computer Graphic Techniques, Graphic and Visual Design, Typography, Visual Design, Design, Python Programming, Analytical Skills
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Calculus, Data Analysis Software, Mathematical Software, Applied Mathematics, Data Analysis, Analysis, Mathematical Theory & Analysis, Derivatives, Advanced Mathematics, Graphing, Algebra
★ 4.7 (212) · Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Data Analysis Expressions (DAX), Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Processing, Data Presentation, Data Transformation, Data Analysis, Data Visualization, Data Manipulation, Descriptive Statistics, Statistical Analysis
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Business Analytics, Responsible AI, Analytics, Data-Driven Decision-Making, Data Literacy, Data Presentation, Exploratory Data Analysis, Data Analysis, Business Communication, Dashboard, Analytical Skills, Decision Intelligence, Storytelling, Dashboard Creation, Analysis, Data Ethics, Data Visualization, Artificial Intelligence, Strategic Communication
★ 4.6 (663) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, Apache Spark, Apache Hadoop, Data Pipelines, Big Data, Data Storage Technologies, Data Processing, Distributed Computing, Data Architecture, Data Storage, Data Wrangling, Data Integration, Data Transformation, SQL, Data Manipulation, Performance Tuning
★ 2.8 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Trend Analysis, Financial Data, Market Trend, Data-Driven Decision-Making, Plot (Graphics), Financial Analysis, Technical Analysis, Market Data, Financial Trading, Financial Market, Correlation Analysis, Python Programming, Data Manipulation, Data Structures, Data Import/Export
★ 4.7 (14) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Cleansing, Digital Analysis, Web Analytics and SEO, Exploratory Data Analysis, Data-Driven Decision-Making, Data Integrity, Gap Analysis, Corrective and Preventive Action (CAPA), Code Review
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Algorithms, Graph Theory, Data Structures, Computer Programming, C++ (Programming Language), Object Oriented Programming (OOP)
★ 4.7 (6) · Intermediate · Course · 1 - 4 Weeks