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.

University of Washington
Skills you'll gain: Power BI, Data Modeling, Data Transformation, Business Requirements, Data Presentation, Star Schema, Data Visualization Software, Snowflake Schema, Relational Databases, Database Design, Data Import/Export, Data Cleansing, Requirements Analysis, Data Analysis Expressions (DAX), Business Intelligence, Data Analysis, Stakeholder Management, Decision Making
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Reliability, Performance Tuning, Embedded Software, Embedded Systems, Control Systems, Debugging, Hardware Design, Systems Engineering, Systems Architecture, Failure Analysis, Scalability, Linux
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Responsible AI, AI Security, Human Centered Design, Data Ethics, Model Evaluation, Artificial Intelligence, AWS SageMaker
Beginner · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Data Visualization Software, Data Visualization, Network Analysis, Tableau Software, Statistical Visualization, Network Model, Dashboard, Time Series Analysis and Forecasting, Matplotlib, Data Analysis, Seaborn, Graph Theory, Pandas (Python Package), Python Programming
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Spring Boot, Kubernetes, Configuration Management, Containerization, Scalability, Software Documentation, Application Deployment, Cloud Deployment, Java, Spring Framework, API Gateway, Back-End Web Development, JUnit, Application Programming Interface (API), Secure Coding, Java Programming, React.js
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Facebook, Social Media Campaigns, Social Media Marketing, Social Media, Target Audience, Advertising, Social Media Strategy, Digital Advertising, Content Performance Analysis
Intermediate · Guided Project · Less Than 2 Hours

University of Leeds
Skills you'll gain: Blockchain, Emerging Technologies, FinTech, Banking, Digital Assets, Cryptography, Business Ethics, Law, Regulation, and Compliance, Distributed Computing, Computer Science, Complex Problem Solving, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Management, Virtual Machines, Kubernetes, Containerization, Cloud Storage, Cloud Computing, Data Storage, Application Deployment, IT Automation, Infrastructure as Code (IaC), Application Security, Data Import/Export, Scalability, Encryption
Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Cloud Security, Incident Response, Security Controls, Computer Security Incident Management, Data Security, Identity and Access Management, Vulnerability Assessments, Security Management, Network Security, Encryption, Vulnerability Management, Data Management, Patch Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, File I/O, Network Routing, Computer Networking, Object Oriented Programming (OOP), Python Programming, Network Routers, Algorithms, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Oracle Databases, Data Migration, Oracle Cloud, Database Administration, Data Import/Export, Database Architecture and Administration, Application Development, Database Management, Performance Tuning, Disaster Recovery, SQL, Cloud Infrastructure, Identity and Access Management, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Figma (Design Software), Responsive Web Design, UI Components, User Interface (UI), Layout Design, User Interface (UI) Design, Design Strategies, Web Design, Scalability, Prototyping
Intermediate · Course · 1 - 3 Months