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.

Amazon Web Services
Skills you'll gain: Responsible AI, AI Security, Human Centered Design, Data Ethics, Model Evaluation, Artificial Intelligence, AI literacy, Data Preprocessing
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Flow Diagrams (DFDs), Diagram Design, Data Mapping, Data Literacy, Software Design Documents, Data Pipelines, Data Visualization, Dataflow, Technical Communication, Data Store, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Star Schema, Snowflake Schema, Data Lakes, Data Warehousing, CI/CD, Database Design, Microsoft Azure, Power BI, Data Governance, Continuous Integration, Real Time Data, Data Pipelines, Microsoft Copilot, Transaction Processing, Data Architecture, Model Optimization, Transact-SQL, Enterprise Architecture, SQL, Cloud Infrastructure
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Linux Administration, Ubuntu, Lightweight Directory Access Protocols, File Systems, Linux, Virtualization and Virtual Machines, Linux Commands, Bash (Scripting Language), Linux Servers, Firewall, Virtual Machines, Package and Software Management, Virtualization, Remote Access Systems, File Management, Operating System Administration, Systems Administration, Shell Script, Containerization, Git (Version Control System)
Intermediate · Specialization · 1 - 3 Months

Whizlabs
Skills you'll gain: Ansible, IT Automation, Devops Tools, Automation, DevOps, YAML, Application Deployment, Linux, Encryption, Security Controls
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Active Directory, Network Administration, Dynamic Host Configuration Protocol (DHCP), Technical Support and Services, General Networking, Firewall, Microsoft Windows, Local Area Networks, Lightweight Directory Access Protocols, Network Security, Network Troubleshooting, Computer Networking, Mac OS, Group Policy, Network Infrastructure, TCP/IP, User Accounts, Authorization (Computing), Network Protocols, Multi-Factor Authentication
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Microsoft Azure, Kubernetes, Containerization, Virtual Machines, Application Deployment, Cloud Deployment, Cloud Computing, Cloud Applications, Infrastructure As A Service (IaaS), Cloud-Native Computing, Cloud Infrastructure, Virtualization and Virtual Machines, Infrastructure as Code (IaC), Scalability, Scripting
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Frontend Integration, CI/CD, Jenkins, Docker (Software), Spring Boot, Continuous Integration, Configuration Management, Containerization, Cloud-Native Computing, Scalability, Software Documentation, Application Deployment, Java, API Design, Java Programming, API Gateway, Back-End Web Development, JUnit, Application Programming Interface (API), React.js
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Microsoft Teams, Microsoft Azure, Windows PowerShell, Collaborative Software, Identity and Access Management, Network Planning And Design, Network Performance Management, Azure Active Directory, User Provisioning, Role-Based Access Control (RBAC), User Accounts, Security Management, Network Analysis
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Policy, Health Systems, Public Health, Health Administration, Research Design, Systems Analysis, Scalability, Technical Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Content, Social Media Marketing, Social Media, Marketing Design, Social Media Strategy, Content Creation, Marketing, Branding, Brand Management, Dashboard
Beginner · Guided Project · Less Than 2 Hours

Fractal Analytics
Skills you'll gain: AI Security, Vector Databases, Responsible AI, Data Strategy, Data Ethics, Data Management, Data Security, Generative AI, Generative AI Agents, Data Mapping, AI Integrations, Data Governance, Containerization, Data Architecture, Retrieval-Augmented Generation, Interoperability, Enterprise Architecture, Metadata Management, Data Pipelines, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 1 - 3 Months