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: Penetration Testing, Vulnerability Assessments, Network Security, Network Analysis, Cyber Threat Hunting, Cyber Security Assessment, Virtual Machines, Open Source Technology, Malware Protection, Command-Line Interface, Software Installation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Intune (Mobile Device Management Software), Endpoint Security, Microsoft Windows, Authentications, Application Deployment, Operating System Administration, Azure Active Directory, Windows PowerShell, Group Policy, Enterprise Application Management, Identity and Access Management, Cloud Applications, Enterprise Security, Mobile Security, System Configuration, Security Management, Microsoft Azure, User Provisioning, Android (Operating System), Patch Management
Intermediate · Specialization · 1 - 3 Months

Indian Institute for Human Settlements
Skills you'll gain: Innovation, Sustainable Development, Environmental Issue, Social Sciences, Policy Analysis, Climate Change Adaptation, Socioeconomics, Systems Thinking, Emerging Technologies, Technology Strategies, Research
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Programmable Logic Controllers, Animations, Human Machine Interfaces, Control Systems, Real-Time Operating Systems, Visualization (Computer Graphics), Control Panels, Test Tools, Interactive Design, Automation Engineering, Program Development, Automation, Simulations, System Monitoring, Electrical Wiring, Computational Logic, Simulation and Simulation Software, User Interface (UI) Design, Network Troubleshooting, User Feedback
Intermediate · Specialization · 3 - 6 Months

National Taiwan University
Skills you'll gain: Operations Research, Network Model, Applied Machine Learning, Case Studies, Applied Mathematics, Mathematical Modeling, Transportation Operations, Business Analytics, Advanced Mathematics, Linear Algebra, Algorithms
Advanced · Course · 1 - 3 Months

Skills you'll gain: Apache Maven, File I/O, Data Import/Export, Object Oriented Programming (OOP), JSON, Java Programming, Debugging, Object Oriented Design, JUnit, Software Documentation, Data Structures, Computer Programming, Restful API, Integrated Development Environments, Java, Programming Principles, Data Validation, Network Protocols, Unit Testing, Computer Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Performance Management, Virtual Networking, Performance Tuning, Network Troubleshooting, Virtual Private Networks (VPN), Load Balancing, Performance Testing, Network Administration, Google Cloud Platform, VPN Clients, Network Analysis, Virtual Machines, Network Security
Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Network Architecture, General Networking, Network Infrastructure, Computer Networking, OSI Models, Network Switches, Local Area Networks, Networking Hardware, Network Protocols, Network Model
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Statistical Machine Learning, Data Preprocessing, Model Evaluation, PyTorch (Machine Learning Library), Statistical Methods, Probability, Probability & Statistics, Sampling (Statistics), Logistic Regression, Deep Learning, Probability Distribution, Supervised Learning, Statistics, Machine Learning Methods, Machine Learning, Agentic systems, Artificial Intelligence, Artificial Neural Networks, Algorithms, Python Programming
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Accounting Software, Data Validation, QuickBooks (Accounting Software), Expense Management, Accounting Records, Data Entry, Verification And Validation, Financial Reporting, Productivity Software, Spreadsheet Software, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Medical Billing, Medical Billing and Coding, Claims Processing, Revenue Cycle Management, Clinical Documentation, Medical Coding, Medical Records, Health Information Management and Medical Records, Billing & Invoicing, ICD Coding (ICD-9/ICD-10), CPT Coding, Patient Registration
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Infrastructure as Code (IaC), AWS CloudFormation, Scripting, Bash (Scripting Language), Amazon Web Services, Command-Line Interface, Configuration Management, Amazon Elastic Compute Cloud, Automation, Shell Script, Continuous Monitoring, Cloud Management, Continuous Integration, Patch Management, Software Testing
Beginner · Course · 1 - 4 Weeks