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.

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Cyber Threat Hunting, Threat Detection, Endpoint Detection and Response, Cybersecurity, Network Security, Cyber Security Strategy, System Monitoring, Cyber Operations, Threat Management, Continuous Monitoring, Cyber Threat Intelligence, Exploitation techniques, Data Persistence, Scripting, Network Monitoring, Persistence, Python Programming, Data Access, Computer Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Chef (Configuration Management Tool), Scalability, Infrastructure as Code (IaC), Apache, IT Automation, Virtual Machines, Amazon Web Services, Amazon Elastic Compute Cloud, CI/CD, Application Deployment, Cloud Computing, Systems Administration, Nginx, Full-Stack Web Development, Continuous Deployment, Servers, Ruby (Programming Language), Remote Access Systems, Package and Software Management, Service Management
Beginner · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, Cloud Infrastructure, Cloud Services, Big Data, Apache Spark, Cloud Computing, Cloud Storage, Cloud Platforms, Network Architecture, Computer Networking, File Systems, Apache Hadoop, Cloud Applications, Apache Mahout, Cloud Computing Architecture, Infrastructure As A Service (IaaS), Data Storage, Middleware, Software-Defined Networking, NoSQL
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Design, Ruby (Programming Language), Performance Tuning, Data Persistence, Maintainability, Application Design, Software Engineering, Development Environment, Application Development, Application Security, Unit Testing, Scalability, Software Design, Debugging, Application Deployment, Software Configuration Management, Business Logic
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Model Deployment, Microsoft Azure, Python Programming, Machine Learning, Machine Learning Algorithms, Data Science, Image Analysis, Computer Vision, Natural Language Processing, Application Programming Interface (API)
Advanced · Course · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), Debugging, z/OS, Unit Testing, Test Driven Development (TDD), Software Testing, Mainframe Computing, Integrated Development Environments, Computer Programming Tools, File I/O
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Excel, Excel Formulas, Excel Macros, Data Visualization, Consolidation, Forecasting, Spreadsheet Software, Microsoft 365, Microsoft Office, Pivot Tables And Charts, Data Sharing, Data Mapping, Productivity Software, Data Analysis, Data Entry, Data Security, Data Validation, Document Management, Data Management, User Interface (UI)
Advanced · Course · 1 - 3 Months

Skills you'll gain: Agentic systems, Generative AI, Responsible AI, AI Security, AI Workflows, Artificial Intelligence, Prompt Engineering, LLM Application, LangChain, Data Ethics, Restful API, Automation, Natural Language Processing, Python Programming
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Pipelines, MLOps (Machine Learning Operations), Systems Design, Transfer Learning, Data Preprocessing, Data Quality, Feature Engineering, Deep Learning, Model Evaluation, Python Programming, Data Validation, Scikit Learn (Machine Learning Library), Predictive Modeling, Software Engineering, Applied Machine Learning, Debugging, Supervised Learning, Git (Version Control System), Performance Metric, Statistical Analysis
Intermediate · Specialization · 1 - 3 Months
University of London
Skills you'll gain: Computer Science, Computer Systems, Web Applications, Computer Literacy, Network Security, Computer Networking, Computational Thinking, Debugging, Web Design and Development, Cybersecurity, Problem Management, Software Architecture, Data Storage
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Influencing, Persuasive Communication, Leadership, Professional Networking, Initiative and Leadership, Relationship Building, Public Speaking, Decision Making, Negotiation, People Development, Social Skills, Organizational Structure
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Case Studies, Relational Databases, System Testing, Database Development, Microsoft SQL Servers, SQL, Customer Complaint Resolution, Data Integrity, Business Reporting, Visual Basic (Programming Language), Workflow Management, Registration, Requirements Analysis, User Interface (UI)
Beginner · Course · 1 - 4 Weeks