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.

Skills you'll gain: Angular, Scalability, Application Development, Mobile Development, Web Applications, Cross Platform Development, Development Environment, UI Components, Software Architecture, TypeScript, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Object-Relational Mapping, Java, Application Servers, Middleware, Application Deployment, Data Persistence, Event-Driven Programming, Enterprise Application Management, Server Side, Context Management, Business Logic
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Magnetic Resonance Imaging, Neurology, Medical Imaging, Diagnostic Radiology, Anatomy, Image Analysis, Data Analysis, X-Ray Computed Tomography, Data Manipulation, Radiology, Analytical Skills, Experimentation, Statistical Analysis, Biomedical Technology, Advanced Analytics, Network Analysis, R Programming, Data Processing, Research Design, Statistics
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Docs, Gmail, Google Sheets, Google Workspace, Presentations, Calendar Management, Spreadsheet Software, File Management, Excel Formulas, Email Security, Collaborative Software, Data Visualization, Productivity Software, Data Validation, Document Management, Setting Appointments, Meeting Facilitation, Sales Presentations, Data Analysis Expressions (DAX), Version Control
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Core Data (Software), JSON, Apple iOS, Data Persistence, Database Application, Mobile Development, Application Programming Interface (API), Data Access, Swift Programming, Model View Controller, Data Modeling, UI Components, Network Protocols, User Interface (UI), Debugging
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, MLOps (Machine Learning Operations), Large Language Modeling, Keras (Neural Network Library)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Patient Registration, Medical Records, Medical Billing and Coding, Medical Office Procedures, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Patient Communication, Health Information Management, Revenue Cycle Management, Electronic Medical Record, Records Management, Clinical Documentation, Patient Safety, Care Coordination, Data Entry, Scheduling, Inventory Management System, Medical Terminology, Regulatory Compliance, Key Performance Indicators (KPIs), Quality Assurance
Beginner · Specialization · 3 - 6 Months

Pragmatic AI Labs
Skills you'll gain: Object-Relational Mapping, Restful API, Code Review, Test Case, Software Testing, Test Automation, Business Logic, Application Development, AI Workflows, Requirements Analysis, GitHub, API Design, Full-Stack Web Development, Test Driven Development (TDD), Software Technical Review, Software Development, Back-End Web Development, Data Persistence, Software Architecture, Data Integrity
Intermediate · Course · 1 - 4 Weeks

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

Google Cloud
Skills you'll gain: Gemini, Command-Line Interface, Build Tools, Code Review, Computer Programming Tools, Model Context Protocol, Software Installation, Application Security, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: IT Service Management, Governance Risk Management and Compliance, Information Technology Infrastructure Library, Responsible AI, NIST 800-53, Information Technology, Regulatory Compliance, Auditing, Cybersecurity, Compliance Management, ISO/IEC 27001, Control Objectives for Information and Related Technology (COBIT), Security Controls, Artificial Intelligence, Open Web Application Security Project (OWASP), Risk Management, Payment Card Industry (PCI) Data Security Standards, General Data Protection Regulation (GDPR)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Content Creation, Social Media Content, Search Engine Optimization, Digital Content, Social Media Marketing, Marketing Design, Web Analytics and SEO, Graphic Design, Content Strategy, Style Guides, Content Marketing, Content Management, Marketing Materials, Branding, Brand Management, Auditing, Sales Process, Report Writing
Beginner · Course · 1 - 3 Months