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: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Docker (Software), Database Development, Cloud Deployment, Application Security, Java, Containerization, Spring Framework, SQL, Database Systems, NoSQL, Kubernetes, Test Driven Development (TDD), Object Oriented Design
★ 4.5 (48) · Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Application Frameworks, Front-End Web Development, Javascript, Software Design Patterns, Java, Web Components, Code Reusability, Web Design and Development, Web Applications, Full-Stack Web Development, Cascading Style Sheets (CSS), Programming Principles, Software Design, Web Design, Maintainability, Web Development
★ 4.4 (113) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Software Design, Systems Development Life Cycle, Software Development Life Cycle, Application Security, Technical Design, Security Engineering, Software Development Methodologies, Conceptual Design, Waterfall Methodology, Requirements Analysis, Agile Methodology
★ 4.6 (253) · Mixed · Course · 1 - 3 Months

JetBrains
Skills you'll gain: NumPy, Python Programming, Linear Algebra, Numerical Analysis, Data Manipulation, Data Processing, Integrated Development Environments, Data Science, Data Management, Software Development Tools, Software Development, Machine Learning, Engineering, Scientific, and Technical Instruments
Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Computational Logic, Theoretical Computer Science, Graph Theory, Geospatial Information and Technology, Spatial Data Analysis, Network Analysis, Logical Reasoning, Computational Thinking, Algebra, Deductive Reasoning, Information Technology, Computer Science
★ 4.7 (281) · Beginner · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Dataflow, Big Data, Data Pipelines, Data Store, Serverless Computing, Data Migration, Model Training, Apache Hadoop, Data Storage Technologies, Identity and Access Management, Data Storage, Tensorflow, Cloud Storage, AI Personalization, Advanced Analytics, Applied Machine Learning, AI Integrations, Site Reliability Engineering, Data Processing
★ 4 (134) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, AI Security, Software Quality (SQA/SQC), Performance Stress Testing, Software Development Methodologies, Regression Testing, AI Integrations, Maintainability, Code Review, Scalability, Automation, Code Coverage, Software Technical Review, DevOps, Security Testing
★ 4.2 (33) · Beginner · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Program Development, Data Validation, Object Oriented Programming (OOP), Build Tools, Programming Principles, Object Oriented Design, Algorithms, Software Testing, Enterprise Modeling, Unit Testing, Data Structures, Data Modeling
★ 4.6 (178) · Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Operations Management, Balance Sheet, Process Analysis, Operations, Operational Efficiency, Operational Excellence, Financial Statement Analysis, Process Improvement, Financial Statements, Customer Analysis, Financial Accounting, Capital Budgeting, Branding, Financial Modeling, Financial Analysis, Brand Strategy, Marketing, Analysis, Case Studies, Business Analysis
★ 4.6 (446) · Beginner · Specialization · 3 - 6 Months
Johns Hopkins University
Skills you'll gain: Systems Thinking, Health Systems, Health Policy, Public Health, Policy Analysis, Policy Development, Public Health and Disease Prevention, Simulations, Systems Analysis, Data Analysis Software
★ 4.6 (1.2K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Feature Engineering, Supervised Learning, Exploratory Data Analysis, Classification Algorithms, Machine Learning Algorithms, Applied Machine Learning, Model Deployment, Decision Tree Learning, Logistic Regression, Data Analysis, Data Preprocessing, Pandas (Python Package), NumPy
★ 4.4 (17) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, .NET Framework, C# (Programming Language), Microsoft Visual Studio, Application Programming Interface (API), Web Development Tools, Restful API, Microsoft Azure, Web Applications, Application Frameworks, Application Development, Development Environment, Event-Driven Programming, Middleware, Software Installation
★ 2.6 (12) · Intermediate · Course · 1 - 3 Months