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: Active Directory, Group Policy, Windows Servers, Microsoft Servers, Virtualization, Virtual Machines, Server Administration, Data Storage Technologies, Performance Tuning, Microsoft Windows, Servers, Data Storage, Operating System Administration, Hybrid Cloud Computing, Cloud-Based Integration, System Configuration, AWS Identity and Access Management (IAM), Identity and Access Management, Cloud Services, Security Controls
Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Networking Hardware, Network Infrastructure, Network Routers, General Networking, Embedded Software, Network Switches, Network Protocols, Network Architecture, Security Controls, Wireless Networks, Network Administration, Network Routing, Local Area Networks, Infrastructure Security, Telecommunications, Communication Systems, Distributed Computing, Python Programming, Machine Learning
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Version Control, Git (Version Control System), Linux, Cloud Computing Architecture, DevOps, Development Environment, Application Deployment, Virtualization, Cloud Computing, Linux Administration, Devops Tools, Cloud Infrastructure, Containerization, Cloud Platforms, Infrastructure As A Service (IaaS), Software Versioning, Virtualization and Virtual Machines, Software As A Service, Virtual Networking, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, File Management, Memory Management, Code Reusability, Application Development, Maintainability, Computer Programming, Software Design, Development Environment, Program Development, Application Design, Programming Principles, Computer Programming Tools, Data Structures, Integrated Development Environments
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Bash (Scripting Language), Ansible, Linux Administration, Linux Servers, Infrastructure as Code (IaC), Web Servers, Linux Commands, Nginx, Operating System Administration, Firewall, IT Automation, PostgreSQL, Application Deployment, Apache, Security Controls, Databases, DevOps, Debugging, Network Troubleshooting, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data-Driven Decision-Making, Predictive Modeling, Digital Marketing Tools, Social Media Analytics, Predictive Analytics, Marketing, Social Network Analysis, Customer Analysis, Data Analysis Software, Data Ethics, Data Warehousing, Customer Insights, Data Science, Digital Analysis, Case Studies, Blockchain, Consumer Behaviour, Marketing Strategy and Techniques, Data Integrity, Image Analysis
Intermediate · Specialization · 1 - 3 Months

University at Buffalo
Skills you'll gain: Model Based Systems Engineering, Peer Review, Programmable Logic Controllers, Systems Engineering, Product Lifecycle Management, Intrusion Detection and Prevention, Security Controls, Performance Measurement, Collaborative Software, Control Systems, Continuous Monitoring, Anomaly Detection, Manufacturing and Production, Machine Controls, Incident Response, Digital Transformation, Cyber Attacks, Vulnerability Assessments, Cybersecurity, Manufacturing Operations
Beginner · Specialization · 3 - 6 Months

Total Seminars
Skills you'll gain: Malware Protection, Operating System Administration, Microsoft Windows, Display Devices, Unix, Desktop Support, Software Installation, Operating Systems, System Support, Mac OS, Threat Detection, Package and Software Management, Security Software, System Configuration, Patch Management, Network Troubleshooting, Hardware Troubleshooting, Security Controls, Performance Management, Performance Improvement
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Node.JS, Server Side, Web Servers, Back-End Web Development, Package and Software Management, Web Applications, Code Reusability, Javascript, JSON, Web Development, Event-Driven Programming, Development Environment, Application Programming Interface (API), File Systems, Maintainability, Operating Systems, API Testing, Network Routing, File I/O, Object Oriented Design
Beginner · Course · 1 - 4 Weeks

Sage Publications
Skills you'll gain: Sales Prospecting, Closing (Sales), Sales Presentation, Sales Process, Sales Management, Active Listening, Selling Techniques, Conflict Management, Customer Acquisition Management, Sales, Prospecting and Qualification, Account Strategy, Sales Strategy, General Sales Practices, Persuasive Communication, Customer Relationship Management, Customer Analysis, Sales Development, Ethical Standards And Conduct, Network Administration
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Consultative Approaches, Sales Training, Inside Sales, Market Opportunities, Selling Techniques, Closing (Sales), Regional Sales, General Sales Practices, Sales Enablement, Sales Management, Sales Operations, Business Development, Sales Prospecting, Personalized Campaigns, Active Listening, Drive Engagement, Negotiation, Proposal Development, Data Storytelling, Emotional Intelligence
Beginner · Specialization · 1 - 3 Months
LearnQuest
Skills you'll gain: Containerization, File I/O, Package and Software Management, Unified Modeling Language, Software Testing, Docker (Software), Development Environment, Unit Testing, Application Deployment, Plot (Graphics), Pandas (Python Package), Scripting, Data Modeling, DevOps, Data Persistence, Programming Principles, Python Programming, Scripting Languages, Data Structures, Computer Programming
Beginner · Specialization · 3 - 6 Months