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.

University of Colorado Boulder
Skills you'll gain: Cybersecurity, Vulnerability Management, Multi-Factor Authentication
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Vendor Management, Security Awareness, Cyber Security Strategy, Risk Management, Threat Management, Security Controls, Human Factors (Security), Asset Protection, Cyber Risk, People Management, Due Diligence
Mixed · Course · 1 - 4 Weeks

Simplilearn
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Vulnerability Scanning, Digital Forensics, Linux, Linux Administration, Network Security, User Accounts, Network Monitoring, System Monitoring, Hardening, Continuous Monitoring, Information Systems Security, Security Controls, Wireless Networks, Penetration Testing, Cybersecurity, Containerization, Incident Response
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Blockchain, Security Controls, Cybersecurity, Security Engineering, Network Security, Cryptography, Vulnerability Assessments, Encryption, Transaction Processing, Key Management, Risk Management, Public Key Cryptography Standards (PKCS), Data Integrity, Scalability
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Security, Threat Modeling, Open Web Application Security Project (OWASP), Security Testing, Retrieval-Augmented Generation, Software Architecture, API Design, Test Automation, Vulnerability Management, Agentic systems, Systems Design, Model Evaluation, Test Driven Development (TDD), CI/CD, Python Programming, Continuous Deployment, Dependency Analysis, Large Language Modeling, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Wireless Networks, Network Administration, Virtual Machines, Virtualization, Network Troubleshooting, Network Security, Cloud Computing, Computer Networking, Virtual Private Networks (VPN), Mobile Security, Firewall, Hardware Troubleshooting, Android (Operating System), Apple iOS, Systems Administration, Multi-Factor Authentication, Peripheral Devices
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Malware Protection, Computer Security Awareness Training, Cybersecurity, Security Awareness, Data Security, Network Security, Human Factors (Security), Personally Identifiable Information, Email Security, Wireless Networks, User Accounts
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Cloud Security, Amazon Web Services, Encryption, AWS Identity and Access Management (IAM), Amazon S3, Data Security, Cryptography, Personally Identifiable Information
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Deployment, Multi-Cloud, Cloud Security, AI Security, MLOps (Machine Learning Operations), DevSecOps, Cloud Management, Investigation, Microservices, Site Reliability Engineering, Security Controls, CI/CD, System Monitoring, Infrastructure as Code (IaC), Compliance Management, Automation, Kubernetes, Docker (Software), Incident Management, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Mobile Security, Criminal Investigation and Forensics, Investigation, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Attacks, Intrusion Detection and Prevention, Cybersecurity, Mobile Development, Cyber Security Policies, Apple iOS, Artificial Intelligence and Machine Learning (AI/ML), Cyber Governance, Data Security, Threat Modeling, Android (Operating System), Application Security, Computer Security, Legal Proceedings, Machine Learning Methods
Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Salesforce, Authentications, Salesforce Development, Data Access, Role-Based Access Control (RBAC), Security Controls, Data Security, Authorization (Computing), Event Monitoring, Application Security, Security Strategy, Data Sharing, Responsive Web Design, Compliance Reporting, User Accounts, Application Development, Mobile Development, Customer Relationship Management (CRM) Software, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks