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: Network Troubleshooting, Network Routing, Routing Protocols, Network Routers, OSI Models, TCP/IP, Virtual Local Area Network (VLAN), Network Switches, Network Architecture, Networking Hardware, Network Administration, Local Area Networks, Network Infrastructure, Network Protocols, System Configuration, Configuration Management
★ 4.7 (39) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cyber Operations, Threat Management, Threat Detection, Cybersecurity, Exploitation techniques, Scripting, IT Automation, Python Programming, Scripting Languages
★ 4.7 (43) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Agentic Workflows, Prompt Engineering, Agentic systems, Prompt Patterns, AI Workflows, Generative AI Agents, AI Personalization, Context Engineering, AI literacy, Human Computer Interaction, Human Centered Design, Responsible AI, Experience Design, User Flows, Design Strategies
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Strategic Sourcing, Supplier Risk Management, Supplier Management, Procurement, Vendor Management, Supplier Relationship Management, Project Scoping, Supply Management, Keyword Research, Market Analysis, Market Intelligence, Market Research, Market Data, Scope Management, Business Research, Report Writing, Data Collection, Project Documentation
★ 3.6 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management Framework, Risk Management, Governance Risk Management and Compliance, Risk Appetite, Law, Regulation, and Compliance, Business Risk Management, Operational Risk, Enterprise Risk Management (ERM), Risk Mitigation, Compliance Management, Risk Analysis, Governance, Regulatory Requirements, Organizational Structure, Accountability
★ 4.8 (36) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: SQL, Relational Databases, Database Management, Database Application, Query Languages, Databases, Data Manipulation, Database Management Systems
★ 4.5 (31) · Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Microsoft PowerPoint, Presentations, Microsoft Office, Productivity Software, Microsoft Excel, Microsoft Word, Office Administration, Computer Literacy, Information Technology, Diagram Design, Editing
★ 4.7 (95) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Linux, TCP/IP, Scripting, Shell Script, Bash (Scripting Language), Network Monitoring, Network Analysis, Network Security, Network Protocols
★ 4.6 (10) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Bash (Scripting Language), Shell Script, Linux, Scripting, Linux Commands, Linux Administration, Unix Shell, Scripting Languages, Operating System Administration, Data Persistence, Unix Commands, Systems Administration, Command-Line Interface, IT Automation, Software Installation, Unix, Object-Relational Mapping, YAML, System Programming, Automation
★ 4.8 (49) · Beginner · Specialization · 3 - 6 Months

Corporate Finance Institute
Skills you'll gain: Business Valuation, Financial Modeling, Revenue Forecasting, Microsoft PowerPoint, Financial Statements, Sales Presentation, Financial Analysis, Oral Expression, Auditing, Sales Presentations, Verbal Communication Skills, Financial Auditing, Financial Forecasting, Presentations, Investment Banking, Equities, Forecasting, Corporate Finance, Microsoft Excel, Data Analysis
★ 4.9 (13) · Intermediate · Specialization · 3 - 6 Months

University of London
Skills you'll gain: User Interface (UI), Interactive Design, Computer Graphics, Video Game Development, Mobile Development, Visualization (Computer Graphics), Web Applications, Game Design, Animations, Musical Composition, Music, Multimedia, Computer Programming, Digital Signal Processing, Computer Programming Tools
★ 4.1 (55) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Threat Modeling, Application Security, Software Development Life Cycle, DevSecOps, Threat Management, Security Testing, Secure Coding, Cloud Security, Encryption, Vulnerability Scanning, Software Development, Cryptography, CI/CD, Cloud Platforms, DevOps, Vulnerability Assessments, Vulnerability Management, Penetration Testing, Configuration Management
★ 4.4 (8) · Intermediate · Course · 3 - 6 Months