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.

Skillshare
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity Training, Diversity and Inclusion, Diversity Programs, Diversity Awareness, Workplace inclusivity, Initiative and Leadership, Organizational Leadership, Leadership Development, Strategic Leadership, Organizational Change, Organizational Effectiveness, Case Studies, Goal Setting
Beginner · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Collaboration, Teamwork, Adaptability, Verbal Communication Skills, Critical Thinking, Communication, Creative Thinking, Emotional Intelligence, Resilience, Problem Solving, Analytical Skills, Innovation, Accountability, Motivational Skills, Team Motivation, Logical Reasoning, Organizational Skills, Decision Making, Human Resources, Time Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Plot (Graphics), Scripting, Scientific Visualization, Visualization (Computer Graphics), Graphing, Scalability, Text Mining, Statistical Analysis, Time Series Analysis and Forecasting, Programming Principles, Data Visualization, Descriptive Statistics, Mathematical Software, File I/O, Software Installation, Numerical Analysis, Mathematical Modeling, Predictive Modeling, Python Programming, Data Analysis
Beginner · Specialization · 1 - 3 Months

Pearson
Skills you'll gain: Firewall, Linux Administration, Authorization (Computing), Linux Servers, Security Controls, Linux, Authentications, Network Security, Linux Commands, System Configuration, Servers, Server Administration, Encryption, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Social Media, Social Media Content, Social Media Marketing, Graphic Design, Marketing Materials, Content Creation, Marketing, Branding
Beginner · Guided Project · Less Than 2 Hours

University of Minnesota
Skills you'll gain: Finite Element Methods, Semiconductors, Electronic Systems, Computer Architecture, Manufacturing Processes, Process Engineering, Emerging Technologies, Simulation and Simulation Software, Mathematical Modeling, Electronic Components, Micrometer, Artificial Intelligence, Scalability
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: API Design, Restful API, Application Programming Interface (API), Test Automation, Data Mapping, Application Deployment, Cloud Deployment, Salesforce, Robotic Process Automation, Business Process Automation, Software Testing, Data Integration, API Testing, Architectural Design, Software Development Tools, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Trend Analysis, Social Media, Social Media Strategy, Social Media Marketing, Market Trend, Account Management, User Accounts, Marketing Communications
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Hosting, Cloud Infrastructure, Cloud Services, Cloud Storage, Frontend Performance, Database Management, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache, File Transfer Protocol (FTP), Linux Servers, Linux Administration, Linux, Web Servers, Remote Access Systems, Command-Line Interface, Unix Commands, File Management, Network Protocols, Network Performance Management, Security Controls
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Border Gateway Protocol, Routing Protocols, Multiprotocol Label Switching, Network Routing, Network Routers, Virtual Private Networks (VPN), Network Troubleshooting, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Application Development, Integrated Development Environments, Development Environment, Web Development, Application Security, Programming Principles, Development Testing, Transaction Processing, Verification And Validation
Beginner · Course · 1 - 3 Months