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: Surveys, Survey Creation, Data Quality, Sample Size Determination, Statistical Hypothesis Testing, Data Governance, Sampling (Statistics), Market Research, A/B Testing, Quantitative Research, Data Maintenance, Statistical Analysis, Data Analysis, Excel Formulas, Regression Analysis, Business Intelligence, Data Visualization, Performance Metric, R Programming, Predictive Modeling
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Services, Cloud Platforms
Beginner · Course · 1 - 3 Months

Skills you'll gain: WordPress, Virtual Networking, Data Persistence
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Operations Research, Mathematical Modeling, Process Optimization, Report Writing, Network Model, Applied Mathematics, Process Improvement and Optimization, Business Modeling, Industrial Engineering, Linear Algebra, Numerical Analysis, Operations Management, Applied Machine Learning, Resource Allocation, Case Studies, Engineering Calculations, Algorithms, Feasibility Studies, Project Design, Business Analytics
Beginner · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Advocacy, Patient Advocacy, Community Organizing, digital literacy, Social Justice, Health Equity, Case Studies, Information Privacy, Social Determinants Of Health, Digital Transformation, Law, Regulation, and Compliance, Data Ethics, Safety and Security, Telehealth, Healthcare Industry Knowledge, Healthcare Ethics
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Development Environment, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Star Schema, Snowflake Schema, Data Warehousing, CI/CD, Database Design, Transact-SQL, Data Pipelines, Extract, Transform, Load, Data Architecture, Data Modeling, Data Transformation, Data Integration, Microsoft Azure, Dataflow, Git (Version Control System), Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Context Protocol, Model Deployment, AI Orchestration, AI Workflows, LangGraph, Agentic systems, Middleware, Scalability, Interoperability, LLM Application, Application Deployment, Artificial Intelligence and Machine Learning (AI/ML), LangChain, Prompt Engineering, Artificial Intelligence, Generative AI, Google Gemini, Application Programming Interface (API), Python Programming, Performance Analysis
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Cloud Infrastructure, CI/CD, Cloud Security, Service Level Agreement, Microservices, Google Cloud Platform, Network Architecture, Site Reliability Engineering, Cloud Computing Architecture, Kubernetes, Restful API, Cloud Storage, Cloud Computing, Key Performance Indicators (KPIs), DevOps, Virtual Networking, System Design and Implementation, Load Balancing, Disaster Recovery
Advanced · Course · 1 - 3 Months

Skills you'll gain: Social Media Marketing, Social Media Management, Social Media Campaigns, Social Media Content, Social Media Strategy, Digital Marketing, Calendar Management, Performance Analysis, Customer Relationship Management (CRM) Software, Customer Relationship Management, Content Development and Management, Customer Insights, Web Analytics, Content Strategy, Scheduling, Target Audience, Marketing Communications, Persona Development, Analytics, Market Data
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Apache, Database Systems, NoSQL, Big Data, Database Management Systems, Databases, Shell Script, Data Storage, Data Storage Technologies, Database Design, Software Installation, Data Access, Data Modeling, System Configuration, Command-Line Interface, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration
Beginner · Course · 1 - 4 Weeks