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.

Johns Hopkins University
Skills you'll gain: R (Software), R Programming, Statistical Programming, Statistical Analysis, Statistical Methods, Debugging, File I/O, Data Analysis, Simulations, Programming Principles, Code Reusability, Data Import/Export, Data Processing, Data Structures, Data Manipulation, Computer Programming, Performance Tuning, Software Installation
Intermediate · Course · 1 - 4 Weeks

Ball State University
Skills you'll gain: Statistical Methods, Probability & Statistics, Probability, Statistical Modeling, Statistical Programming, Statistical Analysis, Probability Distribution, Statistical Inference, Bayesian Statistics, Data Science, Sampling (Statistics), Statistical Hypothesis Testing, R Programming, Dimensionality Reduction, R (Software), Simulations, Statistical Visualization
Build toward a degree
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Event-Driven Programming, Programming Principles, Computer Programming, Computational Logic, Distributed Computing, Computer Science, Computational Thinking, Computer Networking, Data Structures, Network Model, Natural Language Processing, Algorithms, Problem Solving, Geospatial Information and Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Personalization, Personalized Service, Customer Analysis, Customer Engagement, Customer experience strategy (CX), Customer Insights, Driving engagement, Customer Service, Ethical Standards And Conduct, Customer Retention, Operational Efficiency, Predictive Modeling, Continuous Monitoring
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Cloud Management, Google Cloud Platform, Cloud Computing, PostgreSQL, MySQL, Cloud Infrastructure, Proxy Servers
Intermediate · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Employee Surveys, Analysis, User Accounts, Social Media, User Feedback, Social Media Marketing, Data Sharing, Account Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Fraud detection, Marketing Analytics, Data-Driven Marketing, Predictive Modeling, People Analytics, Customer Analysis, Feature Engineering, Marketing Effectiveness, Exploratory Data Analysis, Anomaly Detection, Customer Retention, Advanced Analytics, Marketing Strategies, Job Analysis, Predictive Analytics, Analytics, R Programming, Credit Risk, R (Software), Applied Machine Learning
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Encryption, Cybersecurity, Cryptography, File I/O, Python Programming, Programming Principles, Debugging, Data Mapping, Software Testing, Data Structures
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Responsible AI, AI Security, Generative AI, Data Ethics, Threat Modeling, General Data Protection Regulation (GDPR), Security Testing, Model Evaluation, Open Source Technology, Metadata Management, Security Controls, Data Integrity, Data Validation
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Model Evaluation, Apache Hadoop, Machine Learning Methods, AI Personalization, Digital Marketing Tools, Data-Driven Marketing, Customer Analysis, Marketing Automation, Marketing Analytics, Digital Marketing, Marketing Strategies, Applied Machine Learning, Big Data, Marketing, Customer Insights, Personalized Campaigns, Machine Learning, Artificial Neural Networks, Machine Learning Algorithms, Deep Learning
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Hybrid Cloud Computing, vCenter Server, VMware ESX Servers, vSphere Networking and Storage, Storage vMotion, vCenter Server Management, vSphere DRS & HA, Cloud Management, NSX-T Network Virtualization, Virtual Machines, Cloud Platforms, Cloud Infrastructure, Virtualization and Virtual Machines, IT Automation, Cloud Computing, Network Troubleshooting, Virtualization, Automation, Application Lifecycle Management, Scripting
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Microsoft Power Platform, Power Platform Architecture & Technical Design, Power Apps Component Framework, Power Platform CLI, Microsoft Development Tools, Microsoft Power Automate/Flow, Development Environment, Power BI, Data Modeling, Technical Design, Solution Architecture, Business Logic, No-Code Development, Data Architecture, Cloud Development, Application Development, Authorization (Computing), Solution Design, Security Strategy
Intermediate · Course · 1 - 4 Weeks