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 Programming, Statistical Analysis, Statistical Programming, Data Analysis, Probability, Probability Distribution, Applied Machine Learning, Probability & Statistics, Applied Mathematics, Data Science, Computational Thinking, Simulations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Virtual Networking, VMware ESX Servers, Virtual Local Area Network (VLAN), Network Model, Software Installation, Command-Line Interface, Virtualization, Network Troubleshooting, Computing Platforms, General Networking, System Configuration, User Interface (UI), Simulations, Remote Access Systems, Application Programming Interface (API), System Requirements
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Distributed Computing, Scalability, Database Design, Database Management Systems, Database Systems, Database Architecture and Administration, Database Management, Relational Databases, SQL, Performance Tuning, Data Integrity, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Trend Analysis, Social Media, Social Media Strategy, Social Media Marketing, Market Trend, Account Management, User Accounts, Marketing Communications
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Feature Engineering, Data Preprocessing, AWS SageMaker, Data Cleansing, Apache Spark, Extract, Transform, Load, Data Pipelines, Data Transformation, Amazon Web Services, Responsible AI, Data Quality, Data Integrity, Amazon S3, Personally Identifiable Information, Data Security
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Scalability, Performance Analysis, Simulations, Algorithms, Complex Problem Solving, Theoretical Computer Science, Python Programming, Data Structures, Software Architecture, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Fundação Instituto de Administração
Skills you'll gain: Marketing Strategies, Customer experience strategy (CX), Digital Transformation, Marketing Analytics, Marketing, Data-Driven Decision-Making, Predictive Analytics, Digital Marketing, Machine Learning, Innovation, Trend Analysis, Brand Management, Deep Learning, Artificial Intelligence, Artificial Neural Networks
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Geospatial Information and Technology, Geospatial Mapping, Spatial Data Analysis, Geographic Information Systems, Unsupervised Learning, Image Analysis, Machine Learning, R Programming, Data Processing, Data Preprocessing, Classification Algorithms, Data Transformation, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Site Reliability Engineering, Google Cloud Platform, Kubernetes, Real Time Data, Database Management, Big Data, Data Infrastructure, Performance Tuning, Continuous Deployment, Data Pipelines, Databases, Containerization, Cloud Applications, Data Processing, DevOps, Scalability, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Statistical Process Controls, Six Sigma Methodology, Quality Control, Plot (Graphics), Data Literacy, Statistical Analysis, R Programming
Beginner · Guided Project · Less Than 2 Hours

Digital Marketing Institute
Skills you'll gain: Digital Marketing, Social Media Marketing, Marketing Channel, Digital Media Strategy, Marketing Automation, Marketing Strategy and Techniques, Social Media Strategy, Digital Advertising, Email Marketing, Content Marketing, Search Engine Optimization, Marketing Communications, E-Commerce, Customer Relationship Management (CRM) Software, Demand Generation, Marketing Analytics, Customer Service, Web Applications
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Business Modeling, Entrepreneurship, New Business Development, Emerging Technologies, Technology Strategies, Business Strategies, Information Technology, Legal Risk, Scalability, Innovation, Team Building
Beginner · Course · 1 - 3 Months