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.

Samsung
Skills you'll gain: Technical Support, Hardware Troubleshooting, Customer Service, Insurance and Warranty Claims Processing, Problem Solving, Company, Product, and Service Knowledge, Customer Communications Management, Product Knowledge, Active Listening, Technical Communication, Communication
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Middleware, Node.JS, Model View Controller, Development Environment, Application Frameworks, Application Development, Restful API, TypeScript, Web Applications, Web Development Tools, Application Programming Interface (API), Server Side, Network Routing, Javascript, Android Development, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Data Visualization, Exploratory Data Analysis, Plot (Graphics), Data Presentation, Ggplot2, R (Software), Statistical Visualization, R Programming, Data Visualization Software, Data Analysis, Scatter Plots, Graphic and Visual Design, Histogram, Tidyverse (R Package), Public Administration, Trend Analysis, Policy Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Linux Administration, File Systems, Ubuntu, Remote Access Systems, Operating System Administration, Linux Commands, File Management, Red Hat Enterprise Linux, System Configuration, Unix, Software Installation, Command-Line Interface, Operating Systems, Unix Commands, Systems Administration, Authorization (Computing), Virtualization, Virtual Machines, Open Source Technology
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Community Organizing, Social Justice, Community and Social Work, Advocacy, Cultural Responsiveness, Journalism, Public Safety and National Security, Diversity Awareness, Public History, Public Policies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Exploitation techniques, Scripting, Brute-force attacks, Python Programming, Command-Line Interface, Program Development, Network Protocols, TCP/IP, Data Persistence, Debugging
Advanced · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, NumPy, Data Visualization, Data Manipulation, Linear Algebra, Seaborn, Natural Language Processing, Deep Learning, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Python Programming, Data Preprocessing, Data Science, Regression Analysis, Data Structures, Logistic Regression
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Scalability, Serverless Computing, Google Cloud Platform, Systems Design, Distributed Computing, Cloud Development, Cloud Applications, Cloud Computing Architecture, Application Deployment, Middleware, Cloud Management, System Programming, Network Architecture
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Make.com, LinkedIn, Marketing Automation, Marketing, Social Media Content, Social Media Marketing, Application Programming Interface (API), Generative AI, Content Creation, Automation, Artificial Intelligence, Content Marketing, Workflow Management
Beginner · Guided Project · Less Than 2 Hours

Pearson
Skills you'll gain: Virtual Local Area Network (VLAN), Network Switches, Network Troubleshooting, TCP/IP, Computer Networking, Local Area Networks, Network Protocols, Network Performance Management, System Configuration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Threat Modeling, Application Security, Software Development Life Cycle, DevSecOps, Security Testing, Secure Coding, Security Engineering, Cloud Security, Encryption, Vulnerability Scanning, Software Development, CI/CD, Cloud Platforms, Vulnerability Assessments, Vulnerability Management, Penetration Testing, Cybersecurity, Configuration Management
Intermediate · Course · 3 - 6 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Relational Databases, Databases, Database Theory, Database Design, Database Systems, Database Management, SQL, Database Architecture and Administration, Database Management Systems, Query Languages, Data Modeling, Transaction Processing, Data Management, Data Integrity, System Design and Implementation, Information Technology, Data Analysis, Information Architecture, Problem Solving, Logical Reasoning
Intermediate · Course · 1 - 3 Months