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.

DeepLearning.AI
Skills you'll gain: Natural Language Processing, Recurrent Neural Networks (RNNs), Artificial Neural Networks, Deep Learning, Tensorflow, Text Mining, Embeddings, Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks

The University of Melbourne
Skills you'll gain: Financial Analysis, Financial Statement Analysis, Financial Statements, Corporate Finance, Financial Management, Portfolio Risk, Accounting, Financial Systems, Financial Modeling, Investments, Capital Markets, Market Liquidity, Balance Sheet, Derivatives, Financial Market, Income Statement, Financial Data, Financial Reporting, Business Valuation, International Finance
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Financial Data, Data Analysis, Package and Software Management, R Programming, R (Software), Statistical Analysis, Expense Management, Financial Analysis, Tidyverse (R Package), Data Manipulation, Statistical Visualization, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Visio, Process Flow Diagrams, Diagram Design, Workflow Management, Schematic Diagrams, Infographics, Network Planning And Design, Graphic and Visual Design Software, User Flows, Visual Design, Graphic and Visual Design, Microsoft Office, Graphical Tools, Organizational Structure, Graphic Design
Mixed · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Cloud Computing, Cloud Services, Cloud Computing Architecture, Cloud Infrastructure, Virtualization, Cloud Platforms, Virtual Machines, Data Infrastructure, Scalability, NoSQL, Cloud Storage, Database Design, Database Management, Data Warehousing, MongoDB, MySQL, SQL, Application Programming Interface (API), Python Programming, Git (Version Control System)
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Systems Development, Systems Development Life Cycle, Agile Methodology, Productivity Software, digital literacy, Network Security, Computer Hardware, Computer Systems, Data Security, Risk Management, System Design and Implementation, TCP/IP, Information Technology, Software Development Methodologies, Data Ethics, Cybersecurity, General Networking, Productivity, Safety and Security, Process Design
Beginner · Specialization · 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

Logical Operations
Skills you'll gain: Power BI, Dashboard, Collaborative Software, Collaboration, Data Sharing, Microsoft Power Platform, Microsoft Excel, Business Intelligence, Microsoft 365, Mobile Security, Interactive Data Visualization, Microsoft PowerPoint, Microsoft Office, Data Analysis Software, Performance Tuning, Data Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Amazon Web Services, AWS Identity and Access Management (IAM), Virtual Private Networks (VPN), Identity and Access Management, Cloud Infrastructure, Cloud Computing Architecture, Cloud Computing, Virtual Networking, Network Routing, Network Security, Wide Area Networks, User Accounts, Load Balancing
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Blockchain, Digital Assets, Cryptography, Security Awareness, Payment Systems, FinTech, Emerging Technologies, Cybersecurity, Investments, Transaction Processing
Mixed · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Networking Hardware, Network Infrastructure, Network Routers, General Networking, Network Switches, Network Protocols, Network Architecture, Cloud Infrastructure, Wireless Networks, Network Administration, Local Area Networks, Wide Area Networks, Infrastructure Security, Emerging Technologies, Telecommunications, Communication Systems, Distributed Computing, Python Programming, Machine Learning
Intermediate · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: R Programming, R (Software), Data Science, Data Analysis, Statistical Modeling, Data Visualization, Statistical Analysis, Statistical Visualization, Regression Analysis, Statistical Machine Learning, Plot (Graphics), Data Structures, Computer Programming, Decision Tree Learning, Machine Learning Methods, Machine Learning, Software Development, Computer Programming Tools, Data Import/Export, Machine Learning Algorithms
Intermediate · Specialization · 1 - 3 Months