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: Data Import/Export, Microsoft Visual Studio, Microsoft Excel, R Programming, Data Processing, Data Cleansing
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Pinterest, Billing, Billing Systems, Advertising Campaigns, Advertising, Payment Processing, Payment Systems, Business Marketing, Social Media Marketing
Intermediate · Guided Project · Less Than 2 Hours

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

University of Virginia Darden School Foundation
Skills you'll gain: Digital Transformation, Performance Improvement, Business Transformation, Data Integrity, Organizational Change, Data Security, Cloud Computing, Business Technologies, Technology Strategies, Business Process Improvement, Case Studies, Emerging Technologies, Market Trend
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Apple Xcode, Swift Programming, Integrated Development Environments, Apple iOS, Software Testing, Unit Testing, Application Programming Interface (API), Network Troubleshooting, Code Review
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Predictive Modeling, Predictive Analytics, Business Analytics, Customer Analysis, Project Design, Applied Machine Learning, Solution Design, Sprint Planning, Machine Learning, Brainstorming, Trend Analysis, Design Thinking, Analysis, Decision Tree Learning, Deep Learning, Time Series Analysis and Forecasting, Quality Control
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apple software proficiency, Cloud Deployment, Supervision, Software Installation, Stakeholder Communications
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Instagram, Content Performance Analysis, Driving engagement, Social Media Management, Social Media, Social Media Marketing, Customer Engagement, Business Communication, Business
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Power Apps Component Framework, Data Modeling
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Performance Tuning, Application Deployment, Configuration Management, Application Performance Management, UI Components, Virtual Environment, Server Side
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Image Analysis, Convolutional Neural Networks, Deep Learning, Model Evaluation, Recurrent Neural Networks (RNNs)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Campaigns, Advertising Campaigns, Social Media Strategy, Facebook, Social Media Marketing, Digital Advertising, Social Media, Advertising, Marketing Budgets
Beginner · Guided Project · Less Than 2 Hours