Linux security courses can help you learn system hardening, user access controls, network security protocols, and incident response strategies. You can build skills in configuring firewalls, implementing encryption techniques, and conducting security audits. Many courses introduce tools like iptables for firewall management, OpenSSL for encryption, and Wireshark for network analysis, showing how these skills are applied in practical work to protect systems from vulnerabilities and threats.

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, TCP/IP, Network Architecture, Network Protocols, Network Routing, Network Routers, Computer Networking, Infrastructure Security, Routing Protocols, Public Key Infrastructure, Network Model, Cryptographic Protocols, Web Applications, Application Servers
Build toward a degree
Intermediate · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Data Store, Apache Airflow, Data Modeling, Data Pipelines, Data Storage, Data Storage Technologies, Data Architecture, Requirements Analysis, Data Processing, Data Warehousing, Query Languages, Data Preprocessing, Apache Hadoop, Requirements Elicitation, Vector Databases, Extract, Transform, Load, Data Lakes, Data Integration, Infrastructure as Code (IaC), Data Management
Intermediate · Professional Certificate · 3 - 6 Months
Madecraft
Skills you'll gain: Wealth Management, Action Oriented, Investments, Portfolio Management, Financial Planning, Income Tax, Tax Planning, Tax Management, Goal Setting, Planning, Investment Management, Portfolio Risk, Income Statement, Benchmarking, Account Strategy, Financial Management, Prioritization, Cash Management, Estimation
Beginner · Course · 1 - 3 Months
Duke University
Skills you'll gain: Pandas (Python Package), Bash (Scripting Language), Version Control, Jupyter, Linux Commands, Git (Version Control System), Shell Script, Linux, Web Scraping, Linux Administration, Data Manipulation, MySQL, Microservices, AWS SageMaker, SQL, JSON, Command-Line Interface, Python Programming, Big Data, Data Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Frontend Performance, Vue.JS, GraphQL, Containerization, Development Testing, Test Tools, Web Frameworks, Unit Testing, JavaScript Frameworks, Docker (Software), Front-End Web Development, Software Testing, Application Deployment, Full-Stack Web Development, Frontend Integration, Software Architecture, Integration Testing, Restful API, Web Applications, Web Development
Intermediate · Course · 3 - 6 Months

Kennesaw State University
Skills you'll gain: Security Management, Incident Response, Risk Management, Computer Security Incident Management, Cyber Security Policies, IT Management, Cyber Governance, Risk Management Framework, Business Risk Management, Incident Management, Information Systems Security, Security Strategy, Law, Regulation, and Compliance, Enterprise Risk Management (ERM), Cyber Security Strategy, Information Management, Risk Control, Regulatory Compliance, Business Ethics, Data Ethics
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Data Storytelling, Google Sheets, Data Visualization, Statistical Visualization, Spreadsheet Software, Large Language Modeling, Data Literacy, Data Presentation, Data Visualization Software, LLM Application, Business Analysis, Requirements Analysis, Data Analysis, Analytics, Business Requirements, Analytical Skills, Exploratory Data Analysis, Data-Driven Decision-Making, Productivity Software, Google Workspace
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Wealth Management, Financial Planning, Tax Planning, Portfolio Risk, Tax Management, Portfolio Management, Investment Management, Investments, Finance, Financial Management, General Finance, Income Tax, Risk Management, Asset Management, Financial Analysis, Budgeting, Goal Setting
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Context Engineering, Retrieval-Augmented Generation, AI Orchestration, LLM Application, Prompt Engineering, Responsible AI, Generative AI Agents, Model Context Protocol, Context Management, Prompt Engineering Tools, Agentic Workflows, Token Optimization, OpenAI, Agentic systems, AI Security, Large Language Modeling, Hardening, Systems Architecture, Software Architecture, Python Programming
Intermediate · Course · 1 - 3 Months

Fortinet, Inc.
Skills you'll gain: Virtual Private Networks (VPN), Firewall, Network Routing, Routing Protocols, Intrusion Detection and Prevention, Authentications, Lightweight Directory Access Protocols, Remote Access Systems, Network Security, Network Administration, Virtual Networking, Cyber Security Policies, Security Controls, User Accounts, System Configuration, Network Monitoring
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: ChatGPT, Prompt Engineering, Agentic Workflows, Claude Code, Prompt Patterns, Generative AI Agents, AI Enablement, Prompt Engineering Tools, AI powered creativity, Multimodal Prompts, AI Product Strategy, Anthropic Claude, AI Orchestration, Agentic systems, Generative AI, AI Workflows, AI Personalization, AI Integrations, AI Security, Responsible AI
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Model Context Protocol, Tool Calling, AI Integrations, Vector Databases, Agentic Workflows, Database Architecture and Administration, AI Security, LLM Application, Operational Databases, SQL, Generative AI Agents, Databases, Query Languages, Data Access, Embeddings, Retrieval-Augmented Generation, Agentic systems, System Implementation, Verification And Validation
Advanced · Course · 1 - 4 Weeks