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.

Google Cloud
Skills you'll gain: Data Loss Prevention, AI Security, Gemini, Google Gemini, Generative AI, Personally Identifiable Information, Cloud API, Jupyter, Google Cloud Platform, Cloud Security, Scripting Languages
Intermediate · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Data Import/Export, Scripting, R Programming, Data Processing, Statistical Programming, Data Structures
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Package and Software Management, Code Review, Open Source Technology, GitHub, Scientific Methods, Bioinformatics, Technical Documentation, Informatics, Clinical Informatics, R (Software), Data Analysis, Programming Principles, R Programming, Version Control, Integrated Development Environments
Intermediate · Course · 1 - 3 Months
Sungkyunkwan University
Skills you'll gain: Data Processing, Data Preprocessing, Portfolio Management, Investment Management, Classification And Regression Tree (CART), Statistical Machine Learning, Investments, Machine Learning Algorithms, Applied Machine Learning, R Programming, Feature Engineering, Machine Learning, Financial Modeling, Model Evaluation, Supervised Learning, Asset Management
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

Google Cloud
Skills you'll gain: YAML, Kubernetes, Application Deployment, Scalability, Cloud Deployment, Devops Tools, Containerization, Continuous Deployment, DevOps, Google Cloud Platform
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Merchandising, Product Assortment, E-Commerce, Web Applications, Scalability, Web Design and Development, Technology Solutions, Application Programming Interface (API), Javascript
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Equity, Team Management, Record Keeping, Collaborative Software, Technical Management, Clinical Informatics, Informatics, Healthcare Project Management, Health Informatics, Clinical Research, Diversity Awareness, Diversity Equity and Inclusion Initiatives, Clinical Trials, GitHub, Git (Version Control System), Docker (Software)
Beginner · 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

Skills you'll gain: Oracle Databases, Operational Databases, Database Administration, Database Management, Database Architecture and Administration, Relational Databases, Data Storage Technologies, Performance Tuning, Database Management Systems, User Accounts, Disaster Recovery, Data Management, Data Storage, Role-Based Access Control (RBAC), Identity and Access Management, Authentications
Intermediate · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: SQL, Data Integrity, Database Management, Relational Databases, Database Systems, Databases, Query Languages, Database Design, Web Applications, Application Security, Server Side, Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Information Technology Operations, General Networking
Intermediate · Course · 3 - 6 Months