Network security courses can help you learn about firewalls, intrusion detection systems, and encryption protocols. You can build skills in risk assessment, incident response, and vulnerability management. Many courses introduce tools like Wireshark for network analysis, Nessus for vulnerability scanning, and various security information and event management (SIEM) systems, showing how these skills are applied in practical work to protect networks from cyber threats.

Coursera
Skills you'll gain: Relational Databases, Health Informatics, Performance Tuning, Data Access, Databases, Data Integrity, Secure Coding, Clinical Data Management, Stored Procedure, SQL, Database Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Excel Formulas, Data Validation, Microsoft Excel, Accounting and Finance Software, Accounting Records, Spreadsheet Software, Data Maintenance, Data Quality, Financial Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer Service, Customer Relationship Management (CRM) Software, Customer experience improvement, Customer Relationship Management, Customer Engagement, Customer Data Management, Customer Insights, Digital Marketing, Trend Analysis, Data Analysis, Business Reporting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Inference, Statistical Analysis, Data Literacy, Probability & Statistics, Estimation, Correlation Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Continuous Deployment, Data Pipelines, Continuous Integration, Application Deployment, Docker (Software), Data Infrastructure, Model Deployment, Engineering Software, Software Engineering, Azure DevOps, Data Validation, GitHub, Continuous Monitoring, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer Retention, Customer Analysis, Business Metrics, Data Analysis, Performance Metric, Customer Insights, Analysis, Performance Measurement, Trend Analysis, Benchmarking, Key Performance Indicators (KPIs), Pareto Chart, Data-Driven Decision-Making, Customer experience strategy (CX), Descriptive Analytics, Predictive Analytics, Root Cause Analysis, Consumer Behaviour
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Google Ads, Google Analytics, Marketing Analytics, Data Integration, Web Analytics, Data Access
Beginner · Course · 1 - 4 Weeks

Beginner · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Java Programming, Java, File I/O, Eclipse (Software), Object Oriented Programming (OOP), Object Oriented Design, Integrated Development Environments, Development Environment, Software Design, Computer Programming, Application Frameworks, Programming Principles, Virtual Machines, Web Development, Data Persistence, Debugging, Package and Software Management, Data Structures
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Overcoming Objections, Closing (Sales), Sales, Sales Training, Sales Strategy, Sales Process, Negotiation, Customer Success Management, Customer Relationship Building, Customer Relationship Management, Customer Retention, Contract Management, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Modeling, Data Validation, Media Planning, Variance Analysis, Regression Analysis, Predictive Analytics, Predictive Modeling, Web Analytics, Forecasting, Trend Analysis, Marketing Analytics, Time Series Analysis and Forecasting, Marketing Budgets, Analytics, Data-Driven Decision-Making, Data Quality, Advertising Campaigns
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Evaluation, Predictive Modeling, Regression Analysis, Advanced Analytics, Statistical Modeling, Classification Algorithms, Predictive Analytics, Logistic Regression, Data Analysis, Applied Machine Learning, Data-Driven Decision-Making, Business Analysis, Machine Learning Methods, Performance Metric
Intermediate · Course · 1 - 4 Weeks