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.

ISC2
Skills you'll gain: Cryptography, Key Management, Public Key Infrastructure, Encryption, Cryptographic Protocols, Data Security, Public Key Cryptography Standards (PKCS), Cybersecurity, Advanced Encryption Standard (AES), Authentications, Brute-force attacks, Data Integrity
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Linux Servers, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: File I/O
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: PHP (Scripting Language), MySQL, Database Application, Database Development, Object Oriented Programming (OOP), Secure Coding, Authentications, Web Applications, SQL, Server Side, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Digital Assets, Asset Management, Metadata Management, Cloud Deployment, Content Management, Workflow Management, Data Management, Information Management, Digital Content, Data Architecture, Information Architecture, Brand Management, Enterprise Architecture, Software As A Service, Benchmarking, Vendor Management
Beginner · Course · 1 - 3 Months

Interactive Brokers
Skills you'll gain: Derivatives, Equities, Risk Analysis, Financial Trading, International Finance, Investments, Securities Trading, Financial Market, Risk Management, Financial Statement Analysis, Financial Analysis, Market Analysis, Analysis, Capital Markets, Portfolio Risk, Tax, Balance Sheet, Financial Regulations, Business Metrics, Market Data
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, Data Structures, Spring Boot, Eclipse (Software), Restful API, Java Programming, JavaScript Frameworks, Object Oriented Programming (OOP), Model View Controller, Java, Front-End Web Development, Spring Framework, Object Oriented Design, Integrated Development Environments, Javascript, Software Design Patterns, Development Environment, Web Applications, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

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

Packt
Skills you'll gain: Large Language Modeling, Model Deployment, Natural Language Processing, Application Deployment, Transfer Learning, Embeddings, Workflow Management, Artificial Intelligence and Machine Learning (AI/ML), Python Programming, Data Processing, Application Programming Interface (API), Model Evaluation, Automation, Software Installation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Embedded Software, Embedded Systems, System Programming, Cross Platform Development, Hardware Architecture, Peripheral Devices, Performance Tuning, Software Design, Real Time Data, Technical Design, C (Programming Language), Debugging, System Configuration, Maintainability, Scalability, Data Mapping
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Microsoft Copilot, Regulation and Legal Compliance, Data Ethics, Generative AI, Responsible AI, Data Governance, Microsoft 365, Sales Enablement, Marketing Automation, Customer experience improvement, Business Process Automation, Compliance Management, AI Security, Customer Service, Information Privacy, Microsoft Office, Artificial Intelligence and Machine Learning (AI/ML), Productivity Software, Critical Thinking
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Responsive Web Design, User Interface (UI), Cascading Style Sheets (CSS), User Interface and User Experience (UI/UX) Design, Web Applications, Web Development, Front-End Web Development, HTML and CSS, Javascript, Real Time Data, Hypertext Markup Language (HTML), Application Programming Interface (API), Event-Driven Programming, Animations
Advanced · Course · 3 - 6 Months