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: Statistical Inference, Statistical Programming, Regression Analysis, Logistic Regression, Statistical Methods, R Programming, Statistical Analysis, Statistical Modeling, R (Software), Predictive Modeling, Model Evaluation, Probability & Statistics, Statistical Hypothesis Testing, Probability Distribution
★ 4.4 (8) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Model Optimization, Version Control, Model Deployment, CI/CD, Git (Version Control System), Continuous Deployment, Performance Tuning, Continuous Integration, Software Versioning, Release Management, Continuous Delivery, Performance Testing, PyTorch (Machine Learning Library), Test Automation, Performance Improvement
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Network Analysis, Statistical Modeling, Bayesian Network, Applied Machine Learning, R (Software), R Programming, Social Network Analysis, Statistical Methods, Simulations, Network Model, Statistical Analysis, Probability & Statistics, Statistical Programming, Probability Distribution, Sampling (Statistics), Data Visualization, Machine Learning, Statistical Hypothesis Testing
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Salesforce, Salesforce Development, Data Import/Export, Customer Relationship Management, Data Maintenance, Customer Relationship Management (CRM) Software, Data Management, Dashboard, System Configuration, Workflow Management, Data Validation, Research Reports, Cloud Computing, Business Process Automation, Data Integrity, User Accounts, Data Modeling, Administration, Role-Based Access Control (RBAC), Data Security
★ 4.7 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Security Controls, Cryptography, User Accounts
Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Computational Logic, Theoretical Computer Science, System Requirements, Functional Specification, Agentic systems, Requirements Analysis, Systems Analysis, Verification And Validation, Mathematical Modeling, Control Systems, Linear Algebra, Mathematical Theory & Analysis, Applied Mathematics, Numerical Analysis
★ 3.4 (11) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Manipulation, Data Transformation, Pivot Tables And Charts, Data Wrangling, Data Cleansing, Data Integration, Tidyverse (R Package), R Programming, Data Quality, R (Software), Data Processing, Data Preprocessing
★ 4.6 (25) · Intermediate · Guided Project · Less Than 2 Hours

John Wiley & Sons
Skills you'll gain: Responsible AI, Decision Intelligence, Data-Driven Decision-Making, AI Enablement, Strategic Decision-Making, AI Product Strategy, Business Ethics, Artificial Intelligence, Decision Support Systems, AI Integrations, Decision Making, Organizational Strategy, Stakeholder Engagement, Business Strategy, Overcoming Objections
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Ansible, Software-Defined Networking, IT Automation, JSON, Automation, Infrastructure as Code (IaC), Application Programming Interface (API), Network Infrastructure, Restful API, Network Planning And Design, Extensible Languages and XML, Extensible Markup Language (XML), Configuration Management, Package and Software Management
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Climate Change Programs, Mitigation, Social Justice, Social Impact, Electric Power Systems, Community Organizing, Social Determinants Of Health, International Relations, Sustainable Development, Health Disparities, Pollution Prevention, Community Development, Health Equity, Climate Change Adaptation, Sustainable Technologies, Consumer Behaviour, Environmental Policy, Environmental Engineering
Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Responsible AI, AI Security, Data Ethics, AI literacy, Generative AI, Regulatory Compliance, Data Security, Law, Regulation, and Compliance, Artificial Intelligence, Decision Intelligence, Risk Management, Risk Mitigation, Risk Analysis, Algorithms
★ 4.9 (12) · Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Monitoring, Network Troubleshooting, Hybrid Cloud Computing, Telecommunications, Collaboration, Dynamic Host Configuration Protocol (DHCP), Wide Area Networks, User Accounts, Virtual Private Networks (VPN), Cloud Deployment, Cloud-Based Integration, Firewall, User Provisioning, Network Performance Management, Internal Communications, Network Administration, Session Initiation Protocols, System Configuration, Administration, Product Management
Beginner · Specialization · 3 - 6 Months