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.

Google Cloud
Skills you'll gain: Data Pipelines, Dataflow, Data Warehousing, Extract, Transform, Load, Data Quality, Data Cleansing, Google Cloud Platform, Performance Tuning, Data Processing, Data Validation, Apache Spark, Cloud Services, Scalability, Data Transformation, System Monitoring, Serverless Computing
★ 4.4 (30) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Kaizen Methodology, Sprint Planning, Quality Improvement, Process Improvement, DevOps, User Story, Initiative and Leadership, Scalability, Innovation, Organizational Development, Continuous Deployment, Performance Metric, CI/CD, Continuous Integration, Strategic Planning, Capacity Planning, Coordinating, Meeting Facilitation, Dependency Analysis, Goal Setting
★ 3.8 (12) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Software-Defined Networking, Wide Area Networks, Network Performance Management, Virtual Private Networks (VPN), Network Infrastructure, Network Routing, Cloud Deployment, System Configuration, Package and Software Management, Configuration Management, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Security, Google Cloud Platform, Cloud Solutions, Capacity Management, Cloud Computing Architecture, Network Planning And Design, Technical Design, System Implementation, System Configuration, Cloud Computing, Solution Architecture, Cloud Storage
★ 4.8 (6) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Microsoft Azure, Artificial Intelligence, Data Ethics, Image Analysis, Natural Language Processing, Computer Vision, AI literacy, AI Security, Applied Machine Learning, AI Workflows, No-Code Development, Model Deployment, Machine Learning
★ 4.5 (36) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Cloud, Oracle Databases, Oracle Cloud Applications, Data Infrastructure, Data Architecture, Data Migration, Database Software, Data Lakes, Database Architecture and Administration, NoSQL, Database Management, Data Strategy, MySQL, Cloud Deployment, Data Security, Machine Learning Methods
★ 4.6 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Computing Architecture, Google Cloud Platform, Looker (Software), Load Balancing, Dataflow, Kubernetes, Network Architecture, Cloud Engineering, Data Migration, Enterprise Architecture, Data Architecture, Data Infrastructure, Network Troubleshooting, Cloud Security, Network Monitoring, Cloud Infrastructure, Cloud Computing, Infrastructure as Code (IaC), Scalability, Key Management
Advanced · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Tensorflow, Model Optimization, Deep Learning, Data Compilation, Model Training, Statistical Analysis, Artificial Neural Networks, Model Evaluation, Performance Tuning, Machine Learning, Algorithms, Debugging
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Virtual Networking, Virtualization, Dynamic Host Configuration Protocol (DHCP), Virtualization and Virtual Machines, Linux Administration, Linux Servers, Lightweight Directory Access Protocols, Network Administration, Virtual Machines, Linux, Network Architecture, Information Technology, Network Planning And Design, Virtual Environment, System Configuration, Linux Commands, Server Administration, Remote Access Systems, Software Installation
Intermediate · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: API Testing, Test Script Development, Scenario Testing, Software Testing, Test Automation, Maintainability, Verification And Validation, User Interface (UI), Security Testing, Test Data, Scalability, Debugging, Code Reusability, Authentications, Compliance Reporting, Automation
★ 4.7 (6) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Data Processing, Scalability
★ 3.7 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apple Service Certification, Knowledge of Apple Software, Mac OS, User Accounts, System Support, Desktop Support, Software Installation, File Management, Network Support, Operating System Administration, System Configuration, File Systems, General Networking, Knowledge of Apple Hardware, Data Storage, Data Management, Network Administration, Remote Access Systems, Application Security, Encryption
Intermediate · Course · 1 - 3 Months