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.

Coursera
Skills you'll gain: Star Schema, Data Warehousing, Looker (Software), Database Design, Analytics, Data Mart, Data Modeling, Business Intelligence, Data Integrity, Data Transformation, Performance Tuning, Data Storage, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: NSX-T Network Virtualization, Virtual Networking, Virtualization, Network Architecture, IT Security Architecture, Cloud Management, Network Security, Infrastructure Security, Cloud Platforms, Amazon Web Services, Software-Defined Networking, Public Cloud, Software-Defined Data Center (SDDC), Firewall, Data Centers, IT Automation, Digital Transformation, Disaster Recovery, Continuous Monitoring, Network Routing
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: AI Security, Generative AI Agents, Agentic Workflows, LLM Application, AI Personalization, AI Integrations, Agentic systems, Cloud Hosting, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Cloud Deployment, Generative AI, Application Deployment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Overcoming Objections, Closing (Sales), Sales, Sales Strategy, Sales Process, Selling Techniques, Negotiation, Customer Success Management, Regional Sales, Marketing Automation, Customer Relationship Building, Customer Relationship Management, Customer Retention, Customer Engagement, Customer experience improvement, Personalized Service, Legal Technology, Contract Management, Document Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative Adversarial Networks (GANs), Artificial Intelligence and Machine Learning (AI/ML), Exploratory Data Analysis, Model Deployment, Generative AI, Keras (Neural Network Library), NumPy, Model Optimization, Applied Machine Learning, Data Processing, PyTorch (Machine Learning Library), Predictive Modeling, Matplotlib, Data Analysis, Generative Model Architectures, Deep Learning, Transfer Learning, Artificial Intelligence, Machine Learning, Data Science
Intermediate · Specialization · 3 - 6 Months

The State University of New York
Skills you'll gain: Blockchain, FinTech, Digital Assets, Distributed Computing, Identity and Access Management, Web Applications, Transaction Processing, Payment Processing, Emerging Technologies, Scalability, Technical Standard
★ 3.8 (6) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Storage, Virtual Machines, Scalability, Virtualization and Virtual Machines, Windows Servers, Cloud Infrastructure, Google Cloud Platform, Capacity Management, Microsoft Servers, Remote Access Systems, Network Performance Management
★ 4.7 (9) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), Software Design Patterns, Software Architecture, Object Oriented Design, Software Design, Secure Coding, Computer Programming, System Design and Implementation, Data Integrity, Code Reusability, Maintainability, Scalability, Programming Principles, Software Documentation, AI Integrations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Graph Theory, Network Model, Python Programming, Data Manipulation, Memory Management, Algorithms, Debugging
Intermediate · Course · 1 - 3 Months

Alfaisal University | KLD
Skills you'll gain: Securities (Finance), Securities Trading, Accounting Records, Market Liquidity, Accounting, Financial Market, Financial Trading, Depreciation, Investments, Equities, Financial Accounting
★ 4.9 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, AI Security, DevSecOps, Security Testing, Continuous Monitoring, CI/CD, MITRE ATT&CK Framework, DevOps, System Monitoring, Application Security, Continuous Integration, Test Script Development, Endpoint Security, Scripting, Unit Testing, Integration Testing, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), AI Orchestration, Dependency Analysis, Continuous Deployment, Generative AI, Release Management, Regression Testing, Verification And Validation, Site Reliability Engineering, AI Workflows, Model Evaluation, Continuous Delivery, Data-Driven Decision-Making, Application Performance Management, Software Technical Review, System Requirements
Intermediate · Course · 1 - 4 Weeks