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: C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Code Reusability, Object Oriented Design, File I/O, Programming Principles, Program Development, Algorithms, C (Programming Language), Data Structures
★ 4.7 (813) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Embeddings, Natural Language Processing, Text Mining, Applied Machine Learning, Classification Algorithms, Unsupervised Learning, Dimensionality Reduction
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Convolutional Neural Networks, Model Training, Image Analysis, Predictive Modeling, Data Preprocessing, Deep Learning, Artificial Neural Networks, Computer Vision, Applied Machine Learning, Python Programming, Cloud Computing, Development Environment
★ 4.7 (19) · Mixed · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Storytelling, Dashboard, Data Visualization, Dashboard Creation, Data Presentation, Interactive Data Visualization, Infographics, Data Literacy, Tableau Software, Data Visualization Software, Presentations, Storytelling, Data Analysis, Health Informatics, Stakeholder Communications
Mixed · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Physics, Emerging Technologies, Physical Science, Computational Thinking, Image Analysis, Engineering, Scientific, and Technical Instruments, electromagnetics, Numerical Analysis, General Science and Research, Image Quality, Data Analysis Software, Scientific Methods
★ 4.7 (1.2K) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Customer Retention, HubSpot CRM, Brand Awareness, Surveys, Survey Creation, Marketing Analytics, Google Analytics, Customer Analysis, Customer Service, Customer Relationship Management (CRM) Software, Customer Insights, Brand Loyalty, Customer Relationship Management, Customer Data Management, A/B Testing, AI Product Strategy, Target Audience, Data Analysis, Digital Marketing, Performance Measurement
★ 4.5 (129) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Network Analysis, Statistical Modeling, Bayesian Network, R (Software), R Programming, Social Network Analysis, Simulations, Graph Theory, Statistical Analysis, Probability & Statistics, Markov Model, Probability Distribution, Data Visualization, Machine Learning, Statistical Hypothesis Testing
Intermediate · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Digital Design, digital literacy, Infographics, Content Creation, Graphic Design, Digital Publishing, Creative Design, Visual Design, Brainstorming, Planning, Information Management, Research, Literacy, Lifelong Learning, Critical Thinking, Investigation, Multimedia, Open Source Technology, Intellectual Property, Document Management
★ 4.8 (337) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Oracle Databases, Database Design, Database Theory, Database Management Systems, Database Systems, Relational Databases, Databases, Database Architecture and Administration, Database Management, Data Storage Technologies, Data Storage, Transaction Processing, Data Modeling, Diagram Design
★ 4.6 (477) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Public Health and Disease Prevention, Health Systems, Community Health, Health Policy, Program Evaluation, Infectious Diseases, Data Collection, Trend Analysis
★ 4.8 (499) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer Insights, Digital Marketing, Digital Media Strategy, Customer Analysis, Marketing Strategies, Customer experience strategy (CX), Strategic Marketing, Marketing Planning, Digital Analysis, Digital Marketing Campaigns, Content Marketing, Data-Driven Marketing, Journey Mapping, Target Audience, Customer Engagement, Persona Development, Personalized Service, Marketing Analytics, Brand Marketing, Smart Goals
★ 4.7 (251) · Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Operations Management, Balance Sheet, Process Analysis, Business Operations, Operational Efficiency, Financial Statement Analysis, Financial Statements, Customer Analysis, Finance, Financial Accounting, Production Process, Operational Performance Management, Capital Budgeting, Branding, Financial Modeling, Brand Strategy, Marketing, Analysis, Case Studies, Business Analysis
★ 4.6 (446) · Beginner · Specialization · 3 - 6 Months