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: AI Enablement, Business Leadership, Decision Intelligence, Strategic Leadership, Governance Risk Management and Compliance, Generative AI, Agentic Workflows, Regulatory Compliance, Generative AI Agents, Risk Control, Business Transformation, Risk Management, Business Ethics, Strategic Decision-Making, Business Analysis, Business Management, Business Planning, Artificial Intelligence, Change Management, Stakeholder Management
Intermediate · Course · 1 - 4 Weeks

Georgia Institute of Technology
Skills you'll gain: Professional Networking, LinkedIn, Web Content, Social Media Content, Instagram, Web Presence, Writing, Concision, Content Creation, Social Media, Grammar, Business Writing, Professionalism, Constructive Feedback, Writing and Editing, Relationship Building, English Language, Language Competency, Branding, Vocabulary
★ 4.7 (1.7K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), .NET Framework, JSON, ASP.NET, Application Deployment, Maintainability, File I/O, Data Persistence, Application Frameworks, Application Development, Object-Relational Mapping, Database Application, SQL, Extensible Languages and XML, Extensible Markup Language (XML), Programming Principles, Back-End Web Development, Object Oriented Programming (OOP), Object Oriented Design, Web Development
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Stored Procedure, Star Schema, Microsoft SQL Servers, Database Design, Transact-SQL, SQL, Data Integrity, Database Architecture and Administration, Transaction Processing, Database Development, Data Integration, Relational Databases, Power BI, Data Warehousing, Data Maintenance, Query Languages, Database Administration, Data Transformation, Database Systems, Data Management
★ 4.5 (316) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Employee Coaching, Delegation Skills, Responsible AI, Culture Transformation, People Analytics, Employee Engagement, Training and Development, People Development, Dashboard, Employee Surveys, Data Storytelling, Dashboard Creation, Coaching, Power BI, Team Performance Management, Organizational Development, Prompt Engineering, Organizational Effectiveness, Workforce Development, Human Resources
Beginner · Professional Certificate · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Virtual Networking, Cloud Infrastructure, Network Architecture, Computer Networking, Network Infrastructure, Cloud Computing Architecture, General Networking, Software-Defined Networking, Network Planning And Design, Cloud Computing, Virtualization, Network Routing, TCP/IP, Wide Area Networks, Data Centers, Network Performance Management, Network Switches, Virtual Machines, Virtualization and Virtual Machines, Python Programming
★ 4.4 (304) · Mixed · Course · 1 - 3 Months

Skills you'll gain: User Research, Usability Testing, Design Research, Prototyping, Design Thinking, Ideation, Usability, Internet Of Things, Solution Design, User Experience Design, User Centered Design, Human Centered Design, User Experience
★ 4.3 (7) · Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Email Automation, Business Process Automation, Generative AI Agents, Business Workflow Analysis, Automation, Workflow Management, Agentic systems, Expense Reports, ChatGPT, Client Support, LLM Application, Project Coordination, Coordinating, Artificial Intelligence, Enterprise Architecture, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Expense Management, Prompt Engineering, Business
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Telecommunications, Internet Of Things, Wireless Networks, Emerging Technologies, Communication Systems, Mobile Security, Digital Communications, Computer Networking, Network Protocols, Global Positioning Systems
★ 3.9 (1.2K) · Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Infrastructure Security, Cyber Risk, Cyber Security Policies, Cyber Security Assessment, Cybersecurity, Security Management, Cyber Security Strategy, Risk Management Framework, Technology Roadmaps, Network Infrastructure, Transportation Operations, Mobile Security
★ 4.7 (260) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Restful API, Web Services, Hypertext Markup Language (HTML), HTML and CSS, Java Platform Enterprise Edition (J2EE), Software Design, Java, Extensible Markup Language (XML), Application Programming Interface (API), API Design, Object Oriented Design, Software Design Patterns, Software Architecture, Web Design, Web Design and Development, Web Applications, Front-End Web Development, Web Development, Program Development
★ 4.2 (32) · Beginner · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Endpoint Detection and Response, Cyber Operations, Cybersecurity, Cyber Security Policies, Security Management, Digital Forensics
★ 4.7 (181) · Beginner · Course · 1 - 4 Weeks