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 Security Assessment, Virtual Machines, Virtualization and Virtual Machines, Open Source Technology, Malware Protection, Linux, Microsoft Windows
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Computer Networking, Network Protocols, Web Applications, Computer Security Awareness Training, Network Routers, Wireless Networks, Technical Support and Services, Encryption, Security Awareness, Computer Literacy, System Configuration, Microsoft Office, Authentications, Microsoft Windows, Peripheral Devices, Patch Management, Technical Support, Mac OS, Database Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Requirements Elicitation, Business Analysis, Backlogs, Requirements Management, Stakeholder Engagement, Business Process, User Requirements Documents, User Story, Business Requirements, Requirements Analysis, Business Modeling, Business Process Improvement, Business Risk Management, Business Intelligence, Business Strategies, Financial Analysis, Performance Measurement, Systems Analysis, Root Cause Analysis, Business Planning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Blockchain, Secure Coding, Penetration Testing, Front-End Web Development, Application Development, Security Testing, Web Development Tools, Application Security, Development Environment, Web Development, Software Development Tools, Cyber Security Assessment, JavaScript Frameworks, Payment Systems, Transaction Processing, Microsoft Development Tools, Authorization (Computing), User Interface (UI), Authentications, Programming Principles
Beginner · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Software Design Patterns, Software Design, Software Quality Assurance, Software Engineering, Application Security, Object Oriented Design, Software Architecture, Software Quality (SQA/SQC), Development Testing, Threat Modeling, Maintainability, Code Review, Software Testing, Continuous Integration, CI/CD, Software Technical Review, Software Documentation, Version Control
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Cloud Computing Architecture, Infrastructure Architecture, Cloud Computing, Virtual Machines, Network Infrastructure, General Networking, Virtual Private Networks (VPN), Command-Line Interface, Network Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Generative Model Architectures, OpenAI, Large Language Modeling, LLM Application, Prompt Engineering, Deep Learning, Responsible AI, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Indian School of Business
Skills you'll gain: Financial Statements, Financial Statement Analysis, Financial Trading, Balance Sheet, Securities Trading, Financial Analysis, Market Liquidity, Financial Market, Market Data, Market Dynamics, Market Analysis, Investments, Cash Flows, Equities, Order Management, Risk Analysis
Beginner · Course · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Package and Software Management, Linux, Command-Line Interface, File Systems, Unix Commands, Linux Administration, Linux Commands, User Accounts, Operating System Administration, System Configuration, System Monitoring, Operating Systems, Network Monitoring, Graphical Tools
Beginner · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Amazon Web Services, Virtual Private Networks (VPN), Network Routing, Network Architecture, General Networking, Network Security, Network Monitoring
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Responsible AI, Data Ethics, Artificial Intelligence, Artificial Neural Networks, Ethical Standards And Conduct, Network Model, Machine Learning, Supervised Learning, Reinforcement Learning, Policy Development
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Data Integrity, Encryption, Authentications, Data Security, Public Key Cryptography Standards (PKCS), Digital Communications
Intermediate · Course · 1 - 4 Weeks