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.

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Modeling, Star Schema, Database Design, Data Security, Data Visualization Software, Spreadsheet Software, Performance Tuning, Data Access, Performance Improvement, Model Optimization, Data Manipulation
★ 4.9 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Administration, Microsoft SQL Servers, Microsoft Azure, Database Management, Operational Databases, Transact-SQL, Database Architecture and Administration, Database Management Systems, Performance Tuning, SQL, Cloud Computing, Security Controls, Azure Active Directory, Cloud Security, Disaster Recovery, Data Migration, Data Security, Virtual Machines
★ 3.9 (15) · Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Target Audience, Target Market, Agile Product Development, User Interface and User Experience (UI/UX) Design, UI/UX Strategy, Product Improvement, Product Development, Customer Analysis, User Experience, Business Metrics, Lean Methodologies, Persona Development, Product Management, Agile Methodology, New Product Development, Performance Measurement, Web Analytics, Product Marketing, User Feedback, Business Operations
Intermediate · Course · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Salesforce, Salesforce Development, Data Quality, Data Modeling, Business Process Automation, Data Management, Business Process, User Accounts, Customer Relationship Management, Dashboard, Automation, Identity and Access Management, Business Reporting, Report Writing, Data Security, Cloud Computing
★ 4 (25) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Automation, Artificial Intelligence and Machine Learning (AI/ML), Model Context Protocol, Context Engineering, Artificial Intelligence, System Monitoring, Workflow Management, Context Management, Tool Calling, Continuous Monitoring, Scalability, Memory Management, Large Language Modeling
★ 4.5 (12) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Apache Hadoop, Big Data, Data Science, Scalability, Data Processing, Data Infrastructure, Data Analysis, Distributed Computing, Data Storage, Computing Platforms, File Systems
★ 4.5 (115) · Mixed · Course · 1 - 3 Months
Skills you'll gain: Descriptive Statistics, R (Software), Statistical Hypothesis Testing, Correlation Analysis, Tidyverse (R Package), Data Analysis, Regression Analysis, Probability & Statistics, Statistical Methods, Data Analysis Software, Data Import/Export, Statistical Analysis, R Programming, Data Wrangling, Statistical Software, Statistical Programming, Data Manipulation
★ 4.3 (19) · Beginner · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Health Disparities, Food and Beverage, Health Equity, Social Justice, Sustainable Systems, Ethical Standards And Conduct, Nutrition and Diet, International Relations, Environmental Issue, Policy Analysis, Sustainable Development, Cultural Diversity, Cultural Sensitivity
★ 4.6 (110) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Script Development, Software Testing, Scenario Testing, Test Automation, Regression Testing, Continuous Integration, Test Tools, CI/CD, Test Engineering, Web Development Tools, Browser Compatibility, Continuous Deployment, Continuous Delivery, Test Execution Engine, GitLab, Debugging, User Interface (UI), Scalability, Context Management, Authentications
★ 1.5 (6) · Advanced · Course · 1 - 4 Weeks
Microsoft
Skills you'll gain: Fine-tuning, Generative AI, Model Optimization, Large Language Modeling, Data Ethics, LLM Application, Responsible AI, Feature Engineering, AI Security, Advertising, Marketing, Anomaly Detection, Data Synthesis, Information Privacy
★ 4.5 (29) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Security, AI Product Strategy, Responsible AI, Data Ethics, Strategic Leadership, AI Integrations, Technology Roadmaps, Artificial Intelligence, Business Strategies, Strategic Thinking, Milestones (Project Management), Agile Project Management, Compliance Management, Data Management, Security Controls, Artificial Intelligence and Machine Learning (AI/ML), Governance, Ethical Standards And Conduct, Data Governance, Team Building
★ 3.3 (8) · Advanced · Course · 3 - 6 Months

Skills you'll gain: Containerization, Kubernetes, Microservices, Ubuntu, DevOps, Application Deployment, Virtualization, Software Installation, Virtual Machines, Scalability, Systems Architecture, Software Architecture, Data Persistence
★ 4.2 (42) · Beginner · Course · 1 - 3 Months