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.

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Prompt Patterns, LLM Application, Large Language Modeling, Responsible AI, AI Security
★ 4.4 (63) · Beginner · Project · Less Than 2 Hours

Packt
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Data Cleansing, Data Visualization, Data Analysis Software, Productivity Software, Data Security, Data Management, Editing, Workflow Management
★ 4.8 (23) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Google Analytics, Web Analytics and SEO, Search Engine Optimization, Web Analytics, Content Performance Analysis, Keyword Research, Content Optimization, Prioritization, Data Import/Export, Gap Analysis, Workflow Management, Data Integration, User Research, Performance Metric
Beginner · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Dashboard Creation, Dashboard, Incident Management, Information Management, Computer Security Incident Management, Event Monitoring, Query Languages, Business Intelligence, Data Management, Data Analysis, Big Data, Business Analytics
★ 4.8 (27) · Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Secure Coding, C and C++, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Security Engineering, Interoperability, Unix, Embedded Software, Information Systems Security, OS Process Management, Embedded Systems, Operating Systems, Data Security, Memory Management, Authorization (Computing), Linux
★ 3.9 (11) · Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Feature Engineering, Model Optimization, Tensorflow, Machine Learning, Google Cloud Platform, Model Deployment, Data Preprocessing, Applied Machine Learning, Cloud Storage, Data Quality, Cloud Computing, Model Training, Keras (Neural Network Library), Machine Learning Algorithms, Embeddings, Fine-tuning, Supervised Learning, Deep Learning, Data Cleansing, Dataflow
★ 4.4 (152) · Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Inside Sales, Sales, Sales Prospecting, Sales Training, Sales Strategy, Web Presence, Selling Techniques, Prospecting and Qualification, Product Demonstration, Virtual Teams, Digital Brand Strategy, Technical Sales, Sales Pipelines, Rapport Building, Sales Presentations, Relationship Building, Virtual Environment, Customer Engagement, Customer Success Management, Drive Engagement
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Energy and Utilities, Electrical Wiring, Electrical Systems, Electric Power Systems, Electrical Power, Infrastructure Architecture, Basic Electrical Systems, Electrical Equipment, Power Electronics, Interoperability
★ 4.1 (32) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Secure Coding, Threat Modeling, Security Testing, Software Development Life Cycle, Systems Development Life Cycle, Security Controls, Security Architecture Review, Risk Management Framework, Security Engineering, Computer Security, Software Testing, Security Requirements Analysis, Security Management, Software Development, Authorization (Computing), Data Security, Identity and Access Management, Software Architecture, Software Design
★ 4.3 (6) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Django (Web Framework), Web Applications, Web Development, Expense Reports, Back-End Web Development, Expense Management, Application Development, Database Application, Data Visualization, Business Process Automation, Chart.js, Data Modeling, Business Logic, Development Environment, Data Security, GitHub, Javascript, Project Documentation, Git (Version Control System)
★ 4.3 (8) · Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Cloud Solutions, Cloud Computing, Cloud Hosting, Cloud Platforms, Hybrid Cloud Computing, Private Cloud, Application Performance Management, Data Storage Technologies, Data Security, DevOps
★ 4.6 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Cloud Development, Identity and Access Management, Infrastructure As A Service (IaaS), Cloud Applications, Kubernetes, Prompt Engineering, Cloud Storage, Cloud Services, Virtual Machines, Generative AI Agents, Virtual Networking, Cloud Management, Cloud Computing, Cloud Deployment, Network Infrastructure, Containerization, Data Storage, Serverless Computing
★ 4.6 (86) · Beginner · Course · 1 - 3 Months