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.

Coursera
Skills you'll gain: Linux Commands, Linux, Unix Commands, Command-Line Interface, File Management, System Configuration, Linux Administration, Package and Software Management, DevOps
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Logo Design, Branding, Brand Strategy, Graphic Design, Target Audience, Marketing Materials, Social Media, Scheduling, Presentations, Content Creation, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Algorithms, Software Testing, Java, Computer Programming, Software Development, Scalability
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Analysis Expressions (DAX), Data Ethics, Data Modeling, Data Governance, Data Architecture, Database Design, Power BI, Star Schema, Information Privacy, Data Visualization Software, Data Security, Data Integrity, Snowflake Schema, Relational Databases, Data Cleansing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure DevOps Pipelines, CI/CD, Authorization (Computing), Package and Software Management, Infrastructure as Code (IaC), Authentications, Application Deployment, Azure DevOps, Continuous Integration, DevSecOps, Cloud Deployment, DevOps, Security Controls, GitHub, Continuous Deployment, Git (Version Control System), Performance Tuning, Agile Methodology, Identity and Access Management, Continuous Delivery
Advanced · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Network Analysis, R Programming, Statistical Analysis, Regression Analysis, Statistical Modeling, Bayesian Network, Statistical Hypothesis Testing, Statistical Programming, Data Analysis, R (Software), Probability, Probability Distribution, Applied Machine Learning, Probability & Statistics, Statistical Methods, Social Network Analysis, Applied Mathematics, Simulations, Data Science, Markov Model
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Spring Boot, Application Development, API Testing, Application Frameworks, Software Testing, Test Case, Development Environment, Model View Controller, Software Development Tools, Java Platform Enterprise Edition (J2EE), Authentications, Software Design Patterns, SQL, Data Persistence, Mockups, JSON, User Interface (UI), Functional Design, Databases, Dependency Analysis
Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Virtual Private Networks (VPN), Google Cloud Platform, Virtual Networking, Virtual Machines, Network Routing, Network Performance Management
Advanced · Project · Less Than 2 Hours

Packt
Skills you'll gain: Ubuntu, Cybersecurity, Cyber Attacks, Microsoft Windows, Computer Security, Computer Security Awareness Training, Information Systems Security, Linux, Cyber Security Policies, Network Security, Virtualization, Linux Commands, Linux Administration, Data Ethics, Data Security, Virtualization and Virtual Machines, Hardening, Command-Line Interface, Operating System Administration, Virtual Machines
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Software Development Methodologies, Open Web Application Security Project (OWASP), CI/CD, Application Deployment, DevOps, Development Environment, Ansible, TCP/IP, Docker (Software), OSI Models, Cloud Infrastructure, General Networking, Computing Platforms, Application Programming Interface (API), Version Control, Network Administration, Software Design Patterns, JSON, Software-Defined Networking
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Social Media Content, Social Media Marketing, Social Media, Marketing Design, Graphic Design, Content Creation, Style Guides, Marketing, Branding
Beginner · Guided Project · Less Than 2 Hours

O.P. Jindal Global University
Skills you'll gain: Model Evaluation, Supervised Learning, Scikit Learn (Machine Learning Library), Tensorflow, Applied Machine Learning, Artificial Neural Networks, Python Programming, NumPy, Matplotlib, Deep Learning, Image Analysis, Machine Learning, Embeddings, Pandas (Python Package), Convolutional Neural Networks, Natural Language Processing, Regression Analysis
Build toward a degree
Beginner · Course · 1 - 3 Months