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.

Johns Hopkins University
Skills you'll gain: Machine Learning Methods, Machine Learning, Machine Learning Software, Model Training, Machine Learning Algorithms, Applied Machine Learning, Model Optimization, Model Evaluation, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Research Design, Data Collection, Data Capture, Classification Algorithms, Experimentation, Data Validation, Amazon Web Services, Data Quality, Statistical Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, Agentic Workflows, Generative AI Agents, AI Orchestration, Model Deployment, Automation, No-Code Development, AI Integrations, Prompt Engineering, Process Optimization, System Monitoring, Performance Analysis, Performance Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Ubuntu, Linux Administration, Linux Servers, General Networking, Memory Management, Linux Commands, OS Process Management, Firewall, File Systems, Bash (Scripting Language), Network Security, Command-Line Interface, File Management, Unix Shell, Operating Systems, Systems Administration, Virtualization, Virtual Environment, Virtualization and Virtual Machines
Beginner · Course · 1 - 3 Months
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Server Side, Web Development, Servers, JSON, Software Documentation, Web Applications, Javascript, Web Services, Technical Documentation, Application Security
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Secure Coding, PHP (Scripting Language), Web Applications, Operational Databases, Data Management, Generative AI, Web Development, ChatGPT, Application Development, AI Integrations, Application Security, Microsoft Visual Studio, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), SQL
★ 4.7 (6) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Back-End Web Development, PostgreSQL, Database Development, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Application Programming Interface (API), Database Management, Databases, Data Validation, Development Environment
★ 3.4 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Restful API, API Design, Server Side, Application Programming Interface (API), Back-End Web Development, Microsoft Visual Studio, Web Applications, Javascript, Application Development, Integrated Development Environments
★ 4.7 (6) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Copilot, Forecasting, Revenue Forecasting, Responsible AI, Sales Pipelines, Data Ethics, Sales Strategy, Sales, Sales Enablement, Sales Management, AI Enablement, Microsoft 365, AI Integrations
★ 4.3 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Javascript, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 3 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: Augmented Reality, Augmented and Virtual Reality (AR/VR), Mobile Development, 3D Assets, Unity Engine, Application Development, User Interface (UI), Mobile Development Tools, UI Components, Scripting, User Interface (UI) Design, Visualization (Computer Graphics), Model Optimization, Software Installation, Data Import/Export, Configuration Management, Package and Software Management
★ 4.9 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Automation, Cascading Style Sheets (CSS)
★ 4.9 (7) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Rust (Programming Language), Data Structures, Code Reusability, Memory Management, Package and Software Management, Algorithms, Software Testing
★ 3.8 (8) · Intermediate · Course · 1 - 3 Months