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.

Ball State University
Skills you'll gain: Data Ethics, Data Collection, Probability & Statistics, Statistics, Sampling (Statistics), Data Science, R Programming, Statistical Methods, Data Structures, Data Analysis, Data Capture, Information Privacy, Tidyverse (R Package), Data Quality, Informed Consent, Social Impact, Ethical Standards And Conduct, Data Validation, Algorithms, Big Data
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: PL/SQL, SQL, Business Logic, Stored Procedure, Database Design, Oracle Databases, Database Development, Relational Databases, Data Integrity, Scalability, Procedure Development, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Teams, Operational Efficiency, Process Improvement and Optimization, Telecommuting, Process Analysis, Workflow Management, Business Process Automation, Team Management, Employee Engagement, Operations Management, Automation, Change Management, Data Security, Remote Access Systems
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: API Gateway, GraphQL, Application Programming Interface (API), API Design, Microservices, CI/CD, Restful API, Cloud API, Node.JS, Application Performance Management, Scalability, Authentications, Containerization, Real Time Data, Kubernetes, Event-Driven Programming
Advanced · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Transfer Learning, Artificial Intelligence and Machine Learning (AI/ML), Technical Management, Machine Learning, Applied Machine Learning, Model Evaluation, Deep Learning, Debugging, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Digital pedagogy, Education Software and Technology, Learning Management Systems, Interactive Design, Quality Assurance, Innovation, Requirements Analysis
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Software Design Patterns, Java, Enterprise Architecture, Secure Coding, Application Servers, Software Design, Model View Controller, Software Architecture, Application Security, Maintainability, Programming Principles, Authorization (Computing), Authentications, Debugging, Scalability
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Operating System Administration, User Accounts, Cloud Management, Security Controls, File Management, UI Components
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: DevSecOps, DevOps, User Centered Design, Usability, Systems Integration, User Experience Design, Systems Analysis, System Implementation, Human Computer Interaction, Application Security, Agile Methodology, Information Systems, Software Development, CI/CD, Secure Coding, Security Testing, User Feedback, Project Management Software, Information Technology, Database Management Systems
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Test Case, Test Data, Authentications, Java
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Cryptography, Cybersecurity, Enterprise Application Management, Cyber Attacks, Emerging Technologies, Financial Trading, Digital Assets, Cyber Security Assessment, FinTech, Transaction Processing, Data Integrity
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, R (Software), GitHub, Data Literacy, Version Control, Data Analysis, Big Data, R Programming, Git (Version Control System), Statistical Programming, Data Quality, Data Management
Mixed · Course · 1 - 4 Weeks