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.

Infosec
Skills you'll gain: Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Authorization (Computing), Authentications, Data Validation, Encryption, Security Software, Security Controls, Data Security, Vulnerability Scanning, Endpoint Security, Role-Based Access Control (RBAC), Intrusion Detection and Prevention, Database Application, Security Awareness, Cybersecurity, Configuration Management, Web Applications, Web Development Tools
★ 4.5 (25) · Beginner · Specialization · 1 - 3 Months

Advancing Women in Tech
Skills you'll gain: AI Workflows, Retrieval-Augmented Generation, Prompt Patterns, Multimodal Prompts, AI Personalization, AI literacy, Context Management
★ 4.7 (42) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Database Management, Transaction Processing, Performance Tuning, Databases, Business Reporting, Database Management Systems, Data Integrity, Analytics, Descriptive Analytics, Data Processing, Data Import/Export, Data Structures, Scripting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Open Shortest Path First (OSPF), Network Performance Management, Network Monitoring, Network Planning And Design, Network Engineering, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption, System Configuration, Authentications, Scalability
★ 4.7 (25) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Supplier Risk Management, Data Storytelling, Service Level Agreement, Inventory Management, Supplier Management, Root Cause Analysis, Legal Risk, Variance Analysis, Process Improvement, Supplier Performance Management, Contract Review, Supplier Quality Management, Inventory Control Systems, Data Entry, Risk Management, Data Analysis, Contract Management, Continuous Improvement Process, Quality Control, Cost Reduction
★ 3.6 (15) · Intermediate · Specialization · 3 - 6 Months

Northwestern University
Skills you'll gain: Machine Controls, Robotics, Control Systems, Process Control, Graph Theory, Algorithms, Virtual Environment, Simulation and Simulation Software, Mathematical Modeling, Data Structures, Torque (Physics)
★ 4.8 (140) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, Retrieval-Augmented Generation, AI Integrations, Model Deployment, Fine-tuning, Make.com, Generative Model Architectures, Generative AI Agents, LLM Application, Cloud Deployment, Model Training, Embeddings, Software Documentation, Key Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI powered creativity, Analytics, Big Data, AI literacy, Scalability, AI Integrations, Quantum computing
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Incident Response, Threat Modeling, Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Threat Detection, Risk Management, Cybersecurity, Computer Security Incident Management, Secure Coding, Cyber Security Assessment, Incident Management, Security Testing, MITRE ATT&CK Framework, Systems Development Life Cycle, Cyber Governance, Intrusion Detection and Prevention, Cyber Threat Intelligence, Cyber Attacks, Network Infrastructure
★ 4.7 (18) · Intermediate · Specialization · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Plot (Graphics), R Programming, R (Software), Statistical Analysis, Ggplot2, Data Import/Export, Statistical Methods, Statistical Programming, Model Training, Data Structures, Programming Principles, Data Analysis, Machine Learning Methods, Data Visualization, Data Preprocessing, Data Science, Model Evaluation, Machine Learning, Applied Machine Learning, Data Manipulation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Software, Hardware Troubleshooting, Networking Hardware, Database Theory, Database Management Systems, Computer Networking, Network Support, Network Protocols, Security Software, Cybersecurity, Encryption, Security Awareness, Computer Literacy, Browser Compatibility, Program Development, Computing Platforms, Computer Programming, System Software, Authentications, Database Management
★ 4.5 (12) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Predictive Modeling, People Analytics, Feature Engineering, Exploratory Data Analysis, Job Analysis, Predictive Analytics, Statistical Analysis, Data Analysis, Analytics, Model Evaluation, Statistical Methods, Trend Analysis, Correlation Analysis, Data-Driven Decision-Making, Statistical Hypothesis Testing, R Programming, R (Software), Data Preprocessing, Data Validation
Beginner · Course · 1 - 4 Weeks