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.

LearnQuest
Skills you'll gain: Data Ethics, Predictive Modeling, No-Code Development, Model Deployment, Data Visualization, Data Presentation, Responsible AI, Data-Driven Decision-Making, Advanced Analytics, Business Intelligence, Business Analytics, Data Cleansing, Business Reporting, Global Marketing, LLM Application, AI Enablement, User Feedback, Data Preprocessing, Predictive Analytics, Data Architecture
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Productivity, Team Motivation, Team Leadership, Management Training And Development, Time Management, Team Management, Team Building, People Management, Leadership and Management, Teamwork, Delegation Skills, Trustworthiness, Leadership, Organizational Leadership, Leadership Development, Business Leadership, Conflict Management, Communication
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Microsoft Excel, Data Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: TCP/IP, Network Protocols, Network Monitoring, OSI Models, Network Security, Web Servers, Network Analysis
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Control Systems, Process Control, Manufacturing Processes, Automation Engineering, Embedded Software, Electronics, Semiconductors, Test Equipment, Medical Devices, Electronic Components, Performance Tuning, Reliability, Product Testing, Network Protocols
Build toward a degree
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, System Design and Implementation, Unified Modeling Language, Performance Metric, Performance Measurement, Requirements Analysis, Performance Analysis, Model Evaluation, Prototyping, Stakeholder Communications, Simulation and Simulation Software, Benchmarking
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Performance Tuning, Postman API Platform, Restful API, Application Programming Interface (API), Data Validation, Authentications, Frontend Integration, React.js, API Testing, Authorization (Computing), PostgreSQL, API Design, Scalability, Application Frameworks, JSON, Full-Stack Web Development, Frontend Performance, Web Development, Python Programming
Advanced · Specialization · 3 - 6 Months

Fractal Analytics
Skills you'll gain: Prompt Engineering, Responsible AI, Generative AI, Data Ethics, AI Security, Management Consulting, Artificial Intelligence, Business Consulting, Consulting, Technical Consulting, AI Enablement, Microsoft Copilot, Quality Assurance, Market Research, Large Language Modeling, Data-Driven Decision-Making, Automation, Technical Communication, Critical Thinking, Problem Solving
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: AI Workflows, Technical Communication, AI Enablement, Model Deployment, Generative AI Agents, Data Integration, AI Orchestration, Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, Responsible AI, Artificial Intelligence, Cloud Computing, Deep Learning, Data Visualization, Python Programming, Machine Learning, Data Engineering, Anomaly Detection, Statistical Analysis
Beginner · Specialization · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Distributed Computing, Algorithms, Functional Design, Scalability, Java Programming, Other Programming Languages, Performance Tuning
Intermediate · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Social Media, Online Advertising, Digital Advertising, Social Media Marketing, Social Media Strategy, Social Media Campaigns, Advertising, Advertising Campaigns, Web Analytics, Content Performance Analysis, Facebook, Paid media, Instagram, Marketing Communications, Target Audience, Driving engagement, Business Ethics, Brand Awareness
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Large Language Modeling, Email Security, Exploitation techniques, AI Security, Border Gateway Protocol, Malware Protection, Mobile Security, Cybersecurity, Network Security, Open Web Application Security Project (OWASP), TCP/IP, Threat Detection, Network Analysis, Internet Of Things, Network Protocols, Network Monitoring, Responsible AI, Network Routing, Infrastructure Security, Application Security
Intermediate · Specialization · 3 - 6 Months