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: Sales Pipelines, B2B Sales, Prospecting and Qualification, Consultative Selling, Selling Techniques, Sales Development, Sales Process, Consultative Approaches, Persuasive Communication, Sales Presentation, Communication, Stakeholder Engagement, Value Propositions, Performance Metric, Upselling, Technical Sales, Sales, Sales Presentations, Negotiation, Analytics
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Financial Modeling, Variance Analysis, Financial Statements, Revenue Forecasting, Budget Management, Financial Statement Analysis, Business Intelligence Software, Financial Forecasting, Power BI, Financial Analysis, Cash Flows, Cost Management, Spreadsheet Software, Balance Sheet, Financial Reporting, Microsoft Excel, Dashboard, Data Visualization, Key Performance Indicators (KPIs), Business Intelligence
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Apache Airflow, Docker (Software), Git (Version Control System), SQL, Data Pipelines, Containerization, CI/CD, Debugging, Ansible, Database Management, Continuous Deployment, Performance Tuning, Infrastructure as Code (IaC), Continuous Integration, Workflow Management, DevOps, Automation, Configuration Management, Root Cause Analysis, Python Programming
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Knitr, Data Sharing, General Science and Research, Statistical Reporting, Data Analysis, Statistical Analysis, R Programming, Verification And Validation, Technical Communication, Software Documentation
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Routing Protocols, Network Routing, Open Shortest Path First (OSPF), TCP/IP, Network Routers, Network Protocols, Network Architecture, Network Switches, Virtual Networking, Network Performance Management, Computer Networking, OSI Models, Local Area Networks, Graph Theory, Algorithms
Intermediate · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Social Media, LinkedIn, Facebook, Social Media Strategy, Social Network Analysis, Professional Networking, Digital Media Strategy, Social Media Analytics, Cross-Channel Marketing, General Networking, Instagram, Business Strategies, Communication Strategies, Digital Communications
Mixed · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Serverless Computing, Web Development Tools, Rust (Programming Language), Containerization, Other Programming Languages, Web Applications, Browser Compatibility, Server Side, Servers, Build Tools, Data Processing, Javascript, Cross Platform Development, Computer Graphics, Hypertext Markup Language (HTML), Debugging, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Database Administration, Database Architecture and Administration, Database Management, Relational Databases, Database Software, MySQL, Database Management Systems, IBM DB2, Database Systems, Operational Databases, PostgreSQL, Performance Tuning, Data Maintenance, Data Storage Technologies, Disaster Recovery, Application Performance Management, Role-Based Access Control (RBAC), Network Troubleshooting, IT Automation, User Accounts
Intermediate · Course · 1 - 3 Months

Meta
Skills you'll gain: Django (Web Framework), Code Reusability, Web Development, Web Servers, Secure Coding, Web Applications, Data Modeling, Maintainability, MySQL, Database Design, Application Security, Model View Controller, Application Frameworks, Database Management, Databases, Hypertext Markup Language (HTML), Software Design Patterns, Data Migration
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Image Analysis, Tensorflow, Transfer Learning, Convolutional Neural Networks, Computer Vision, Fine-tuning, Keras (Neural Network Library), JavaScript Frameworks, JSON, Model Deployment, Applied Machine Learning, Javascript, Machine Learning Methods, Model Training, Artificial Neural Networks, Data Processing, Real Time Data, Web Applications, Data Capture, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Reconciliation, Accounts Payable, Accounts Receivable, Billing, Accounts Payable and Receivable, Billing & Invoicing, Invoicing, QuickBooks (Accounting Software), Accounting Software, Loss Prevention, Financial Controls, Auditing, Fraud detection, Vendor Management, Internal Controls, Payment Processing, Cash Management, Document Management, Financial Reporting, Cash Flows
Intermediate · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Session Initiation Protocols, Android Studio, Android Development, Internet Of Things, Communication Systems, Network Protocols, Telecommunications, Wireless Networks, Mobile Development, Digital Communications, Emerging Technologies, Application Development, Digital Signal Processing, Embedded Systems, Open Source Technology
Mixed · Course · 1 - 3 Months