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.

Peking University
Skills you'll gain: Data Structures, Algorithms, C++ (Programming Language), Memory Management, C and C++, Graph Theory, Object Oriented Programming (OOP), File I/O, Object Oriented Design, Computational Thinking, C (Programming Language), Programming Principles, Theoretical Computer Science, Program Development, Computer Programming, Computer Science, Application Development, Systems Development, Data Storage, Computer Architecture
★ 4.8 (2.7K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Command-Line Interface, Virtualization and Virtual Machines, Network Security, Virtualization, Operating Systems, Hardware Troubleshooting, Information Technology Operations, Network Troubleshooting, Computer Hardware, Network Support, Cloud Computing, Mac OS, Security Controls, Microsoft Windows, Information Systems Security, System Configuration, Operating System Administration, Network Infrastructure, Data Storage, Peripheral Devices
★ 4.6 (293) · Intermediate · Specialization · 3 - 6 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: Data Preprocessing, Business Analytics, Dimensionality Reduction, Data Processing, Analytics, Data Cleansing, Data Transformation, Anomaly Detection, Project Management Life Cycle, Databases, R (Software), R Programming, Data Analysis, Data Quality, Big Data, Supervised Learning
★ 4.3 (65) · Beginner · Course · 1 - 3 Months

Salesforce
Skills you'll gain: Sales Process, Sales, Salesforce, Customer Relationship Management (CRM) Software, Sales Operations, Customer Relationship Management, General Sales Practices, B2B Sales, Data Management, Customer Data Management, Databases, Data Quality, Data Cleansing, Business-To-Consumer
★ 4.6 (1.7K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Inference, Probability Distribution, R Programming, Statistical Visualization, R (Software), Statistical Programming, Statistical Methods, Probability & Statistics, Statistics, Data Visualization, Statistical Analysis, Plot (Graphics), Statistical Modeling, Statistical Hypothesis Testing, Data Analysis, Probability
★ 4.8 (37) · Beginner · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: ChatGPT, OpenAI, Large Language Modeling, AI literacy, Legal Risk, Natural Language Processing, Data Ethics, Responsible AI, Generative AI, Artificial Intelligence, Law, Regulation, and Compliance, Social Impact, Intellectual Property, Education and Training, Economics, Ethical Standards And Conduct
★ 4.5 (68) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: R Programming, R (Software), Data Visualization, Statistical Programming, Time Series Analysis and Forecasting, Interactive Data Visualization, Data-Driven Decision-Making, Trend Analysis, Rmarkdown, Data Processing, Data Analysis, Predictive Modeling, Data Cleansing, Data Manipulation, Exploratory Data Analysis, Predictive Analytics, Revenue Management, Forecasting, Business Strategy, Machine Learning
★ 4.9 (12) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Model Evaluation, Exploratory Data Analysis, Data Analysis, Classification Algorithms, Data Preprocessing, Model Training, Scikit Learn (Machine Learning Library), Predictive Modeling, Data Import/Export, Applied Machine Learning, Data Visualization Software, Machine Learning, Risk Analysis
★ 4.7 (44) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Excel Formulas, Microsoft Excel, Spreadsheet Software, Statistical Analysis, Data Cleansing, Data Management
★ 4.9 (7) · Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Email Marketing, Prompt Engineering Tools, Email Automation, Microsoft Copilot, Marketing Automation, Data Ethics, Generative AI, Search Engine Optimization, Content Marketing, Google Gemini, Prompt Patterns, Multimodal Prompts, ChatGPT, Search Engine Marketing, Digital Marketing, Deepseek, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Sales
★ 4.6 (26) · Beginner · Specialization · 3 - 6 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Data Analysis, Statistical Analysis, Statistical Methods, Analysis, Quantitative Research, Data Visualization, Predictive Modeling, Applied Mathematics
★ 4.3 (12) · Beginner · Course · 1 - 3 Months

Total Seminars
Skills you'll gain: Routing Protocols, Network Monitoring, TCP/IP, Network Troubleshooting, OSI Models, Network Infrastructure, Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Wide Area Networks, Local Area Networks, Network Architecture, Network Switches, Network Routers, Network Protocols, Network Performance Management, Network Administration, Network Security, Virtual Private Networks (VPN), Networking Hardware, Network Analysis
Beginner · Specialization · 3 - 6 Months