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: Intrusion Detection and Prevention, Threat Detection, Distributed Denial-Of-Service (DDoS) Attacks, Threat Management, Anomaly Detection, Continuous Monitoring, System Monitoring, Virtual Machines, Network Security, Virtualization and Virtual Machines, Event Monitoring, Network Monitoring, Network Analysis
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Project Management Software, Workflow Management, Real Time Data, Timelines, Kanban Principles, Database Software, Data Integration, Project Management, Database Design, Scheduling, Data Sharing, Leadership, Problem Solving
Beginner · Guided Project · Less Than 2 Hours

University of Geneva
Skills you'll gain: Water Resources, Diplomacy, Water Sustainability, Water Resource Management, Hydrology, International Relations, Mediation, Arbitration, Conflict Management, Sustainable Development, Discussion Facilitation, Negotiation, Adjudication, Political Sciences, Governance, Environmental Laws, Data Collection
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Endpoint Security, Cryptography, Object-Relational Mapping, Authentications, Data Access, Computer Programming
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Responsible AI, Project Management Software, AI Product Strategy, Project Risk Management, Project Management, Project Implementation, Project Planning, Risk Management, AI Workflows, Timelines, Project Scoping, Project Performance, Scheduling, Governance, Team Collaboration, Generative AI Agents, Generative AI, Forecasting, Digital Transformation, Decision Making
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Web Content Accessibility Guidelines, Javascript, Application Programming Interface (API), Web Design, Semantic Web, Usability, Web Applications, Web Development, Test Tools, Web Content, Front-End Web Development, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Pearson
Skills you'll gain: Java, Transaction Processing, File I/O, Java Programming, Data Access, Object Oriented Design, Dataflow, Data Persistence, Database Management, Stored Procedure, SQL, Application Development, Information Management, Command-Line Interface, Application Deployment, Data Integrity, Databases, OS Process Management, Application Programming Interface (API), Mitigation
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Collaborative Software, Organizational Skills, Document Management, Project Management Software, Project Coordination, Telecommuting, Project Management, Productivity Software, Project Documentation, Internal Communications, Data Security, File Management, User Accounts, Information Privacy, Account Management
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Blockchain, FinTech, Payment Systems, Governance, Financial Services, Financial Regulation, Ledgers (Accounting), Financial Inclusion, Banking Services, Financial Systems, Payment Processing, Innovation, Accounting, Emerging Technologies, Digital Assets, Financial Management, Law, Regulation, and Compliance, Operational Efficiency
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Endpoint Security, Network Security, Cyber Attacks, Encryption, Cyber Security Assessment, Application Security, Computer Security, Cyber Security Policies, Penetration Testing, Data Security, Firewall, Cryptography, Intrusion Detection and Prevention, Security Awareness, Mobile Security, Malware Protection, Human Factors (Security)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, MITRE ATT&CK Framework, Cyber Threat Intelligence, Threat Detection, Vulnerability Assessments, Technical Communication, Cyber Security Policies, Vulnerability Management, Threat Management, Security Controls, Communication Strategies, Root Cause Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Animations, Graphic Design, Graphic and Visual Design Software, Graphic and Visual Design, Content Creation, Digital Publishing, Multimedia, Video Production, Media Production, Data Sharing, Marketing
Beginner · Guided Project · Less Than 2 Hours