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.

Columbia University
Skills you'll gain: International Finance, Derivatives, Financial Systems, Balance Sheet, Financial Market, Payment Systems, Financial Policy, Banking, Capital Markets, Financial Trading, Economics, Market Liquidity, Financial Regulation, Credit Risk, Market Dynamics
Mixed · Course · 3 - 6 Months

Skills you'll gain: MySQL, Database Administration, Relational Databases, Database Management, Database Development, Database Systems, Database Management Systems, SQL, Database Design, Docker (Software), Linux Administration, Containerization, Role-Based Access Control (RBAC), Application Deployment, Identity and Access Management, Data Integrity, Data Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Security, Retrieval-Augmented Generation, Prompt Engineering, Model Training, Generative AI, Large Language Modeling, Model Optimization, Embeddings, Natural Language Processing, Data Governance, Prompt Patterns, Machine Learning Methods, Generative Model Architectures, Model Evaluation, Model Deployment, Data Processing, Responsible AI, Deep Learning, Data Security, Machine Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: OSI Models, Communication Systems, Cloud Computing Architecture, Network Protocols, Telecommunications, Internet Of Things, Cloud Deployment, TCP/IP, Cloud Computing, General Networking, Electric Power Systems, Energy and Utilities, Cloud Management, Network Infrastructure, Interoperability, Wireless Networks, Electrical Power, Cyber Engineering, Electrical Systems, Threat Modeling
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Software Configuration Management, Embedded Software, Embedded Systems, Configuration Management, Git (Version Control System), Version Control, Memory Management, Build Tools, Software Development Tools, C (Programming Language), Development Environment, Program Development, Code Review, Software Technical Review, Software Design, Debugging, Make.com
Intermediate · Course · 1 - 4 Weeks

Indian School of Business
Skills you'll gain: Financial Statements, Peer Review, Financial Statement Analysis, Financial Trading, Balance Sheet, Portfolio Management, Portfolio Risk, Securities Trading, Income Statement, Data Collection, Market Liquidity, Financial Market, Investment Management, Financial Analysis, Performance Analysis, Market Dynamics, Performance Measurement, Accruals, Return On Investment, Accrual Accounting
Beginner · Specialization · 3 - 6 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll Tax, Payroll, Payroll Systems, Payroll Processing, Payroll Administration, Payroll Reporting, Tax Compliance, Tax Management, Labor Compliance, Tax Returns, Tax Preparation, Compensation Management, Non-Profit Accounting, Data Entry, Income Tax, Workforce Management, Customer Service, Benefits Administration, Labor Law, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Linux, Linux Commands, Operating Systems, Embedded Software, Integrated Development Environments, File Systems, Internet Of Things, Command-Line Interface, Development Environment, System Configuration, Embedded Systems, Computing Platforms, Python Programming, OS Process Management, User Interface (UI), Computer Hardware, File Management, Scripting Languages, Programming Principles, Computer Programming
Mixed · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Large Language Modeling, Precision Medicine, Artificial Intelligence, Mental Health Therapies, Patient Evaluation, Mental Health Diseases and Disorders, Risking, Ethical Standards And Conduct, Law, Regulation, and Compliance, Generative AI, Health Technology, Machine Learning, Diagnostic Tests, AI Personalization, Regulation and Legal Compliance, Patient-centered Care, Human Centered Design, Mental and Behavioral Health, Mental Health, Data Security
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Restful API, GraphQL, API Design, ASP.NET, Application Programming Interface (API), Azure DevOps Pipelines, API Testing, .NET Framework, Unit Testing, Docker (Software), Object-Relational Mapping, CI/CD, Containerization, Software Documentation, Cloud-Native Computing, Data Modeling, DevOps, C# (Programming Language), Web Applications, Object Oriented Programming (OOP)
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Large Language Modeling, OpenAI API, Responsible AI, OpenAI, LLM Application, AI Security, Microsoft Azure, AI Orchestration, Generative AI Agents, Generative AI, Model Deployment, AI Integrations, Software Documentation, Prompt Engineering, Embeddings, Query Languages, Microsoft SQL Servers, Document Management, Fine-tuning, Machine Learning
Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, Cloud Services, TCP/IP, Cloud Computing, Cloud Infrastructure, Software-Defined Networking, Network Architecture, Virtual Networking, Wide Area Networks, Cloud Engineering, Network Protocols, Cloud Computing Architecture, Cloud Platforms, Linux Administration, Network Troubleshooting, Linux, Kubernetes, Network Switches, Terraform
Build toward a degree
Intermediate · Specialization · 3 - 6 Months