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.

Board Infinity
Skills you'll gain: Unit Testing, .NET Framework, Integration Testing, Software Testing, Test Case, Development Testing
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Visio, Process Flow Diagrams, Diagram Design, Workflow Management, Schematic Diagrams, Infographics, Network Planning And Design, Graphic and Visual Design Software, User Flows, Visual Design, Graphic and Visual Design, Microsoft Office, Graphical Tools, Organizational Structure, Graphic Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: Test Driven Development (TDD), Image Analysis, Computer Vision, Machine Learning Methods, Artificial Intelligence and Machine Learning (AI/ML), Convolutional Neural Networks, Deep Learning, Keras (Neural Network Library), Tensorflow, Python Programming, Data Preprocessing, Development Environment, Jupyter, NumPy
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Machine Learning Methods, Network Model, Operations Research, Mathematical Modeling, Microsoft Excel, Business Analytics, Analytics, Analytical Skills, Operational Analysis, Business Mathematics, Data-Driven Decision-Making, Process Optimization, Applied Mathematics, Statistical Methods, Team Building, Analysis, Model Evaluation, Case Studies
Build toward a degree
Beginner · Course · 3 - 6 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

Simplilearn
Skills you'll gain: API Testing, Performance Testing, Test Script Development, Application Programming Interface (API), Test Tools, Software Testing, Test Planning, Simulations, Scalability
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Application Deployment, Configuration Management, Application Performance Management, Application Servers, Model View Controller, UI Components, Virtual Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Virtual Networking, Cloud Security, Operational Databases, Performance Tuning, Routing Protocols
Intermediate · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: R Programming, R (Software), Statistical Analysis, Ggplot2, Data Import/Export, Data Structures, Programming Principles, Data Preprocessing, Data Science, Model Evaluation, Machine Learning, Data Manipulation, Exploratory Data Analysis, Data Visualization Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Target Audience, Social Media Campaigns, Social Media, Social Media Marketing, Advertising, Social Media Content, Digital Advertising, Videography
Beginner · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Branding, Advertising, Consumer Behaviour, Brand Management, Brand Strategy, Integrated Marketing Communications, Advertising Campaigns, Marketing Communications, Brand Awareness, Marketing, Promotional Strategies, Media Planning, Digital Advertising, Customer Engagement, Media Strategy, Design Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Incident Response, Intrusion Detection and Prevention, Network Security, Cybersecurity, Cyber Security Strategy, Cyber Attacks, Data Security, Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Management, Vulnerability Assessments, Multi-Factor Authentication, System Configuration, Scripting, Linux Commands, Bash (Scripting Language), Linux, Scripting Languages, Python Programming
Mixed · Course · 1 - 4 Weeks