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 Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Cyber Governance, Cyber Risk, Cyber Security Assessment, Security Strategy, Cyber Security Policies, Security Management, Security Awareness, Threat Modeling, Information Privacy, Infrastructure Security, Risk Management, Vulnerability Assessments
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Application Security, Vulnerability Assessments, Vulnerability Management, Secure Coding, Authorization (Computing), Java, Java Programming, Dependency Analysis, Docker (Software), Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Investment Management, Performance Measurement, Portfolio Management, Operational Analysis, Performance Metric, Performance Analysis, Investments, Benchmarking, Derivatives, Equities, Capital Markets, International Finance, Risk Management, Risk Analysis, Market Liquidity, Financial Regulation, Case Studies
Mixed · Course · 1 - 4 Weeks

Nanyang Technological University, Singapore
Skills you'll gain: Systems Thinking, Case Studies, Network Analysis, Mathematical Modeling, Simulations, Social Sciences, Applied Mathematics, Policy Analysis, Agentic systems, Forecasting, Critical Thinking, Jupyter
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: OSI Models, Computer Networking, Virtualization, Data Centers, General Networking, Network Architecture, Networking Hardware, Network Protocols, TCP/IP, Virtual Local Area Network (VLAN), Network Infrastructure, Local Area Networks, Network Model, Cloud Computing
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Generative AI, Generative Model Architectures, PyTorch (Machine Learning Library), Image Analysis, Deep Learning, Responsible AI, Artificial Neural Networks, Data Ethics, Computer Vision, Machine Learning, Image Quality, Unsupervised Learning, Information Privacy, Data Synthesis, Performance Testing
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Control Panels, Cloud Hosting, User Accounts, File Management, System Configuration, Web Servers, Servers, Content Management, Safety and Security, User Interface (UI)
Mixed · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Wireless Networks, Telecommunications, Mobile Development, Apple iOS, Display Devices, Business Planning, Product Planning, Android (Operating System), Company, Product, and Service Knowledge, Communication Systems, Business Strategy, Network Analysis, Emerging Technologies, Operating Systems, Digital Communications, Peripheral Devices, Market Trend, Network Architecture, Global Positioning Systems, Market Analysis
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Natural Language Processing, PyTorch (Machine Learning Library), Artificial Intelligence and Machine Learning (AI/ML), Keras (Neural Network Library), Deep Learning, Tensorflow, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Social Network Analysis, Network Analysis, Data Wrangling, Natural Language Processing, Web Scraping, Social Sciences, Data Ethics, Databases, Artificial Intelligence, Research, Simulations, Big Data, Systems Thinking, Data Science, Artificial Intelligence and Machine Learning (AI/ML), Research Methodologies, Machine Learning, Data Collection, Computational Thinking, Agentic systems
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Cloud Management, Cloud Solutions, Cloud Computing, Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Cloud Applications, Cloud Security, Cloud Storage
Intermediate · Course · 1 - 3 Months

Tally Education and Distribution Services Private Limited
Skills you'll gain: Accounting, Financial Reporting, Bookkeeping, Accounting Software, Financial Accounting, Financial Statements, General Ledger, Banking Services, Data Security, Banking, Data Maintenance, Software Installation, Inventory Management System, Reconciliation
Beginner · Course · 1 - 3 Months