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.

Cisco Learning and Certifications
Skills you'll gain: Network Model, Network Protocols, IT Automation, Network Routing, Data Modeling, Extensible Markup Language (XML), JSON, Automation, Restful API, Application Programming Interface (API), Configuration Management
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Application Security, Vulnerability Management, Event Monitoring, Security Controls, Exploitation techniques, Data Integrity, Continuous Monitoring, System Monitoring, Patch Management, Identity and Access Management, Multi-Factor Authentication, Incident Response, Server Side, CI/CD
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Change Management, Scaled Agile Framework, Organizational Change, Culture Transformation, Organizational Development, Agile Methodology, Leadership Studies, Business Transformation, Scalability, Organizational Strategy, Case Studies
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Protocols, Network Troubleshooting, Network Planning And Design, Routing Protocols, Network Routing, OSI Models, Computer Networking, Dynamic Host Configuration Protocol (DHCP), Network Security, File Transfer Protocol (FTP), Remote Access Systems
Beginner · Course · 1 - 3 Months
Skills you'll gain: Blockchain, Digital Assets, FinTech, Agentic systems, Financial Inclusion, Business Modeling, Financial Systems, Payment Systems, Emerging Technologies, Business Transformation, Distributed Computing, Transaction Processing, Cryptographic Protocols, Identity and Access Management, Contract Management, Cost Reduction
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Penetration Testing, Linux Commands, Command-Line Interface, Security Testing, Linux, Cybersecurity, Vulnerability Scanning, Operating Systems, Exploitation techniques, Microsoft Windows, File Systems, Mac OS
Mixed · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Generative AI, Generative Model Architectures, Generative Adversarial Networks (GANs), Deep Learning, Responsible AI, Machine Learning Methods, Artificial Intelligence, Data Ethics, Machine Learning, Machine Learning Algorithms, AI literacy, Artificial Neural Networks, Convolutional Neural Networks, Regression Analysis, Law, Regulation, and Compliance, Classification Algorithms, Regulation and Legal Compliance
Build toward a degree
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Teradata SQL, Exploratory Data Analysis, SQL, Data Modeling, Database Design, Database Administration, Database Systems, Database Architecture and Administration, Database Management, Database Management Systems, Data Store, JSON, Data Integration, Relational Databases, Data Architecture, Advanced Analytics, Analytics, Data Analysis, Business Intelligence, Data-Driven Decision-Making
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Software Documentation, Generative AI, Test Automation, Design Software, Mockups, User Interface (UI), Software Development Tools, User Interface and User Experience (UI/UX) Design, Software Testing, AI Security, AI Workflows, Application Security, Maintainability, Prompt Engineering, Test Case, Software Architecture, Code Review, Secure Coding, Artificial Intelligence, Debugging
Beginner · Specialization · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Brand Management, Brand Strategy, Branding, Brand Marketing, Brand Awareness, Brand Loyalty, Marketing Planning, Strategic Marketing, Strategic Partnership, Social Media, Marketing, Marketing Communications, Social Media Marketing, Consumer Behaviour, Marketing Strategies, Persona Development, Organizational Strategy, Internal Communications, Business Strategy, Marketing Design
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Virtual Machines, Cloud Security, Public Cloud, Amazon Web Services, Scalability, Virtual Networking, Private Cloud, Cloud Computing Architecture, Cloud Platforms, Cloud Computing, Cloud Infrastructure, Cloud Services, Cloud Deployment
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Identity and Access Management, Cloud Services, Microsoft Azure, Microsoft Teams, Collaborative Software, IT Security Architecture, Security Controls, Endpoint Security, Cloud Solutions, Microsoft Intune (Mobile Device Management Software), Zero Trust Network Access, Microsoft Office, User Provisioning, Cloud Computing, Cloud Deployment, Azure Active Directory, Role-Based Access Control (RBAC), Data Loss Prevention, Information Privacy
Beginner · Course · 3 - 6 Months