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.

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cucumber (Software), Software Testing, Selenium (Software), Gherkin (Scripting Language), JUnit, Verification And Validation, Test Automation, Unit Testing, Security Testing, Regression Testing, System Testing, Test Case, Software Development Tools, Testability, White-Box Testing, Behavior-Driven Development, Code Coverage, Performance Testing, Development Testing
Intermediate · Specialization · 3 - 6 Months

Intermediate · Course · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), Software Design Patterns, Game Design, Maintainability, Software Design, Software Architecture, Video Game Development, Programming Principles, Animation and Game Design, Event-Driven Programming, Scalability, Game Theory, Artificial Intelligence, Animations
Intermediate · Course · 3 - 6 Months

Skills you'll gain: WordPress, Secure Coding, Data Store, Data Management, Content Management Systems, Data Security, Data Persistence, Database Development, Content Management, PHP (Scripting Language), Back-End Web Development, Maintainability, Program Development, Data Validation
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: LangChain, LangGraph, Model Context Protocol, AI Workflows, LLM Application, AI Orchestration, Agentic Workflows, Generative AI Agents, Tool Calling, Model Deployment, Data Transformation, Retrieval-Augmented Generation, Agentic systems, Generative AI, Middleware, Gemini, Scalability, Artificial Intelligence, Prompt Engineering, Responsible AI
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Figma (Design Software), User Interface and User Experience (UI/UX) Design, Responsive Web Design, Usability, User Centered Design, UI Components, Prototyping, Design Elements And Principles, Mockups, Collaborative Software, Wireframing, Graphic and Visual Design, Layout Design, Typography, Scalability
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Statistics, Probability & Statistics, Data Analysis, Data Literacy, Data Collection, Unsupervised Learning, Text Mining, Business Analytics, Statistical Inference, Probability, Exploratory Data Analysis, Predictive Modeling, Data-Driven Decision-Making, Data Science, Deep Learning, Machine Learning, Machine Learning Methods, Data Visualization, Business Communication, Communication
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Fraud detection, Personal Development, Financial Regulation, Financial Controls, Finance, Financial Planning, Emotional Intelligence, Financial Acumen, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Health Care Procedure and Regulation, Health Informatics, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Preprocessing, Data Literacy, Data Analysis, Descriptive Analytics, Statistical Programming, Database Systems, Relational Databases, Data Integration, Spreadsheet Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Dashboard, Data Visualization, Business Intelligence, Interactive Data Visualization, Data Presentation, Data Storytelling, Business Analytics, Data Visualization Software, Data Analysis, Trend Analysis, Forecasting, Data Cleansing, Data Preprocessing, Analytics, Data Manipulation, R (Software), Data-Driven Decision-Making, R Programming, Time Series Analysis and Forecasting
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Image Quality, Data Preprocessing, Data Quality, Generative AI, Data Validation, Data Collection, Data Transformation, PyTorch (Machine Learning Library), Data Ethics, Data Management, Metadata Management
Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Prompt Patterns, Responsible AI, Productivity, AI Workflows, Generative AI, Artificial Intelligence, AI Security, AI Personalization, Creative Problem-Solving, Artificial Intelligence and Machine Learning (AI/ML), Innovation, Critical Thinking and Problem Solving, Complex Problem Solving, Automation, Critical Thinking, digital literacy, Digital Assets, Information Technology, Natural Language Processing
Beginner · Course · 1 - 3 Months