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.

Packt
Skills you'll gain: Package and Software Management, Linux Administration, Shell Script, Ubuntu, User Accounts, Linux, Devops Tools, Linux Servers, grep, Linux Commands, Red Hat Enterprise Linux, Bash (Scripting Language), Kubernetes, Command-Line Interface, Network Troubleshooting, Containerization, Ansible, File Systems, Application Deployment, Authentications
★ 4.6 (31) · Intermediate · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: Application Security, IT Security Architecture, Computer Security, Operating System Administration, Information Systems Security, Security Engineering, Database Application, Operating Systems, Security Requirements Analysis, Linux, Security Controls, Continuous Monitoring, Linux Administration, Program Development, Virtualization, Virtual Machines, Virtualization and Virtual Machines, Systems Development, Data Integrity
★ 3.7 (13) · Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Regression Analysis, Statistical Programming, R (Software), Probability Distribution, Statistical Analysis, R Programming, Data Import/Export, Probability & Statistics, Statistical Modeling, Statistical Methods, Descriptive Analytics, Tidyverse (R Package), Plot (Graphics), Statistics, Data Manipulation, Data Analysis, Statistical Inference, Data Wrangling
★ 4.9 (7) · Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Salesforce, Salesforce Development, Data Quality, Data Modeling, Business Process Automation, Data Management, Business Process, User Accounts, Customer Relationship Management, Dashboard, Automation, Identity and Access Management, Business Reporting, Report Writing, Data Security, Cloud Computing
★ 4 (25) · Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Statistical Methods, Exploratory Data Analysis, Data Quality, Statistics, Data Analysis, Data Science, Statistical Analysis, Probability & Statistics, Data Storage, Data Collection, Data Management, Data Pipelines, Statistical Machine Learning, Data-Driven Decision-Making, Probability Distribution, Machine Learning, Linear Algebra
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Automation, Artificial Intelligence and Machine Learning (AI/ML), Model Context Protocol, Context Engineering, Artificial Intelligence, System Monitoring, Workflow Management, Context Management, Tool Calling, Continuous Monitoring, Scalability, Memory Management, Large Language Modeling
★ 4.5 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Software Architecture, .NET Framework, Object Oriented Design, Distributed Computing, Scalability, Object Oriented Programming (OOP), Software Design, Object-Relational Mapping, Microservices, MongoDB, Data Access, Model View Controller, Performance Tuning, Computer Programming, Maintainability, NoSQL, Event-Driven Programming
★ 4.5 (103) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Generative AI, Generative Model Architectures, Generative Adversarial Networks (GANs), System Monitoring, Data Ethics, AI Security, AI literacy, Large Language Modeling, Responsible AI, AI Integrations, LLM Application, Artificial Intelligence, AI Enablement, Microsoft Copilot, Threat Detection, Machine Learning
★ 4.7 (31) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Generative Adversarial Networks (GANs), Recurrent Neural Networks (RNNs), Email Security
★ 4.2 (40) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Django (Web Framework), GitHub, Version Control, Git (Version Control System), User Interface and User Experience (UI/UX) Design, User Experience Design, Secure Coding, User Interface (UI), Web Development, Application Security, Application Frameworks, Development Environment, Authentications, Usability, Web Applications, Integrated Development Environments, User Accounts, Authorization (Computing)
★ 4.7 (15) · Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Risk Analysis, Project Risk Management, Risk Management, Risk Modeling, Risk Mitigation, Risk Control, Agile Methodology, Hazard Analysis, Project Controls, Stakeholder Engagement, Stakeholder Management, Earned Value Management, Risk Appetite, Project Performance, Dependency Analysis, Performance Metric, Agile Project Management, Simulation and Simulation Software, Project Management Institute (PMI) Methodology, Business Metrics
★ 4.8 (17) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Kubernetes, Microservices, Ubuntu, DevOps, Application Deployment, Virtualization, Software Installation, Virtual Machines, Scalability, Systems Architecture, Software Architecture, Data Persistence
★ 4.2 (42) · Beginner · Course · 1 - 3 Months