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.

Cisco Learning and Certifications
Skills you'll gain: TCP/IP, Network Planning And Design, Network Troubleshooting
Beginner · Course · 1 - 3 Months
University of Rochester
Skills you'll gain: Market Dynamics, Supply And Demand, Economics, Policty Analysis, Research, and Development, Price Negotiation, Public Policies, Market Analysis, Competitive Analysis, Consumer Behaviour, Strategic Thinking
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Linux Commands, Linux, Command-Line Interface, Linux Administration, OS Process Management, Ubuntu, System Monitoring, Network Troubleshooting, File Transfer Protocol (FTP), File Management
Beginner · Guided Project · Less Than 2 Hours

Vanderbilt University
Skills you'll gain: Generative AI Agents, AI Orchestration, LLM Application, OpenAI API, Java Programming, AI Workflows, Agentic systems, Generative AI, Prompt Patterns, Prompt Engineering, Large Language Modeling, Document Management, Secure Coding, Business Logic, Open Web Application Security Project (OWASP), Middleware, Plan Execution, Software Design Patterns, Persona Development
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Deep Learning, Tensorflow, Model Evaluation, Applied Machine Learning, Artificial Neural Networks, Machine Learning Methods, Performance Tuning, Machine Learning, Data Validation, Debugging, Algorithms
Beginner · Course · 1 - 4 Weeks

Aptly
Skills you'll gain: Interviewing Skills, Professional Networking, Recruitment, LinkedIn, Goal Setting, Business Writing, Personal Development, Professional Development, Negotiation, Self-Awareness, Verbal Communication Skills, Communication Strategies, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Containerization, Node.JS, CI/CD, Kubernetes, MongoDB, Docker (Software), Back-End Web Development, Restful API, Application Deployment, Microservices, Frontend Integration, NoSQL, DevOps, Software Technical Review, Application Programming Interface (API), Databases, Database Management, IBM Cloud, Authentications
Advanced · Course · 1 - 3 Months

Duke University
Skills you'll gain: Exploratory Data Analysis, Ggplot2, Data Visualization Software, Tidyverse (R Package), Data Visualization, Version Control, Data Analysis, Statistical Methods, Data Wrangling, R Programming, GitHub, Data Transformation, Statistical Analysis, Git (Version Control System), Data Manipulation, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Test Tools, Acceptance Testing, Software Testing, Test Automation, Test Execution Engine, Test Planning, Software Quality Assurance, Generative AI, Test Data, Test Case, Requirements Analysis, Software Documentation
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Relational Databases, MySQL, Data Management, Database Design, Data Warehousing, Data Visualization, Data Visualization Software, Data Security, Dashboard, Tableau Software, Data Cleansing, Data Integration, Extract, Transform, Load, SQL, Personally Identifiable Information, Microsoft Excel, Data Governance, Data Preprocessing, Data Transformation, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Responsible AI, Data Ethics, Business Ethics, AI Security, Accountability, Artificial Intelligence and Machine Learning (AI/ML), Risk Analysis, Case Studies, Legal Risk, Risk Mitigation, Law, Regulation, and Compliance, Decision Making, Workforce Management, Information Privacy, Analysis, Algorithms
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Deep Learning, Artificial Neural Networks, Artificial Intelligence, NumPy, Computer Vision, Supervised Learning, Linear Algebra, Calculus
Intermediate · Course · 1 - 4 Weeks