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.

Kennesaw State University
Skills you'll gain: Incident Response, Cybersecurity, Cyber Attacks, Computer Security Incident Management, Security Awareness, Computer Security Awareness Training, Personally Identifiable Information, Cyber Risk, Incident Management, Threat Detection, Information Privacy, Network Security, Multi-Factor Authentication
★ 4.9 (13) · Beginner · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Reinforcement Learning, Computational Logic, Agentic systems, Bayesian Network, Decision Intelligence, Machine Learning, Bayesian Statistics, AI literacy, Markov Model, Algorithms, Computational Thinking, Probability, Model Optimization, Probability & Statistics, Probability Distribution
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Automation Engineering, Plant Operations and Management, Control Systems, Engineering, Scientific, and Technical Instruments, Engineering Drawings, Process Control, Electric Power Systems, Electrical Power, Communication Systems, General Networking, Network Protocols, Wireless Networks, System Monitoring, Mechanical Engineering, Equipment Design, Systems Of Measurement
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Threat Modeling, Threat Management, Risk Management, Business Continuity Planning, Asset Protection, Risk Analysis, Risk Management Framework, Security Strategy, Cyber Governance, Risk Mitigation, Vendor Management, Business Continuity, Risk Control, Vulnerability Assessments, Security Management, Cyber Risk, Vendor Relationship Management, Compliance Management, Supplier Risk Management, Supplier Management
★ 4.7 (351) · Beginner · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Networking Hardware, Network Infrastructure, Network Routers, General Networking, Embedded Software, Network Switches, Network Protocols, Network Architecture, Security Controls, Wireless Networks, Network Administration, Network Routing, Local Area Networks, Infrastructure Security, Telecommunications, Communication Systems, Distributed Computing, Python Programming, Machine Learning
★ 4.7 (632) · Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Unified Modeling Language, Object Oriented Programming (OOP), Object Oriented Design, Test Driven Development (TDD), Software Design Patterns, Software Design, Programming Principles, Program Development, Development Testing, Process Driven Development, Computer Programming, Software Development Methodologies, Distributed Computing
★ 4.5 (149) · Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Model Deployment, Responsible AI, MLOps (Machine Learning Operations), Fine-tuning, PyTorch (Machine Learning Library), AI Security, Application Deployment, Model Training, AI Workflows, Model Evaluation, Model Optimization, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Generative AI, Scalability, Large Language Modeling, Machine Learning, LLM Application, Application Programming Interface (API), Data Governance
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Model Evaluation, Regression Analysis, Leaflet (Software), Exploratory Data Analysis, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Machine Learning Algorithms, Plotly, Interactive Data Visualization, Probability & Statistics, Data Presentation, Data Visualization, Statistical Analysis, Statistical Modeling, R Programming, Machine Learning, GitHub
★ 4.4 (7.2K) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: TCP/IP, Network Protocols, Routing Protocols, Dynamic Host Configuration Protocol (DHCP), Network Security, Network Routing, Software-Defined Networking, Virtualization
★ 4.7 (761) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, File Management, Memory Management, Code Reusability, Application Development, File Systems, Maintainability, Computer Programming, Software Design, Development Environment, Program Development, Programming Principles, Computer Programming Tools, Data Structures, Integrated Development Environments
★ 4.6 (256) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Databricks, Dashboard, Star Schema, Dashboard Creation, Snowflake Schema, Data Lakes, SQL, Interactive Data Visualization, Database Administration, Business Intelligence, Data Modeling, Data Architecture, Data Warehousing, Data Import/Export, Query Languages, Data Analysis, Data Governance, Data Access, Extract, Transform, Load, Data Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Architecture, Systems Development Life Cycle, Systems Architecture, Systems Thinking, Software Design Patterns, Stakeholder Communications, Business Analysis Tools, Systems Analysis, Data Flow Diagrams (DFDs), Stakeholder Management, Stakeholder Engagement, Data Architecture, Development Environment
★ 4.9 (23) · Beginner · Course · 1 - 3 Months