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: Unix Shell, Shell Script, Bash (Scripting Language), Unix Commands, Command-Line Interface, Unix, Network Protocols, Network Troubleshooting, Scripting, TCP/IP, Linux, OS Process Management, File Management, Scripting Languages, Linux Commands, General Networking, File Transfer Protocol (FTP), Network Administration, File Systems, Linux Administration
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: NSX-T Network Virtualization, vSphere Networking and Storage, Virtual Networking, Software-Defined Data Center (SDDC), VMware vSAN, vSphere DRS & HA, Software-Defined Networking, Hybrid Cloud Computing, Zero Trust Network Access, Virtualization, Data Centers, Storage vMotion, vCenter Server, VMware ESX Servers, Role-Based Access Control (RBAC), Virtual Local Area Network (VLAN), Virtualization and Virtual Machines, Virtual Machines, Cloud Management, Network Switches
Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Workplace Bullying Intervention, Diversity Awareness, Workplace inclusivity, Safety Culture, Accountability, Professionalism, Compliance Management, Ethical Standards And Conduct, Strong Work Ethic, Professional Development, Safety and Security, Social Media, Culture
Beginner · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Infrastructure, AWS Identity and Access Management (IAM), Cloud Security, Public Cloud, Cloud Computing, Cloud Management, Amazon S3, Cloud Storage, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Software-Defined Networking, Wide Area Networks, Virtual Networking, Network Troubleshooting, Open Shortest Path First (OSPF), Network Routing, Network Architecture, Network Monitoring, Network Planning And Design, Computer Networking, Virtual Private Networks (VPN), Border Gateway Protocol, Network Performance Management, Network Security, Network Administration, Firewall, Network Infrastructure, Amazon Web Services, Cloud Deployment
Beginner · Specialization · 1 - 3 Months

Universidad Austral
Skills you'll gain: Financial Modeling, Time Series Analysis and Forecasting, Regression Analysis, Financial Forecasting, Predictive Modeling, Forecasting, Finance, R Programming, Financial Analysis, Statistical Analysis, Statistics, Probability & Statistics, Risk Analysis, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Overcoming Objections, Closing (Sales), Sales, Sales Training, Sales Strategy, Sales Process, Negotiation, Customer Success Management, Customer Relationship Building, Customer Relationship Management, Customer Retention, Contract Management, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Ethics, Security Awareness, Computer Security Awareness Training, Ethical Standards And Conduct, Cybersecurity, Information Technology, Responsible AI, Information Privacy, Social Impact, Media and Communications, Personally Identifiable Information, Artificial Intelligence, General Data Protection Regulation (GDPR)
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Continuous Deployment, Data Pipelines, Continuous Integration, Application Deployment, Docker (Software), Data Infrastructure, Model Deployment, Engineering Software, Software Engineering, Azure DevOps, Data Validation, GitHub, Continuous Monitoring, Scalability
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: DevOps, DevSecOps, CI/CD, GitHub, Continuous Deployment, Continuous Integration, Version Control, Git (Version Control System), Process Improvement, Software Development, IT Automation, Digital Transformation, Business Transformation, Cross-Functional Collaboration, Continuous Improvement Process, Agile Methodology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux Servers, Web Servers, Lightweight Directory Access Protocols, Email Security, Linux, Nginx, Apache, Dynamic Host Configuration Protocol (DHCP), Operating System Administration, Server Administration, Active Directory, System Configuration, Proxy Servers, Network Security, Firewall, File Management, Identity and Access Management, Authentications
Advanced · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Microservices, Spring Framework, Spring Boot, YAML, MongoDB, Application Deployment, NoSQL, Ajax, Software Architecture, Java, Scalability, Load Balancing, Restful API, Web Applications, File Management
Mixed · Course · 1 - 3 Months