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.

Unilever
Skills you'll gain: Data Governance, Descriptive Analytics, Data Storytelling, Supply Chain, Data Presentation, Supply Chain Management, Demand Planning, Data Literacy, Presentations, Supply Chain Systems, Supply Chain Planning, Process Improvement, Data Management, Process Improvement and Optimization, Data Lakes, Supply Management, Predictive Analytics, Data Analysis, Data Visualization, Problem Solving
★ 4.7 (685) · Beginner · Professional Certificate · 3 - 6 Months

Microsoft
Skills you'll gain: AI Enablement, AI Product Strategy, Data Strategy, Strategic Leadership, Organizational Strategy, Responsible AI, Business Transformation, Technology Strategies, Digital Transformation, AI Security, Enterprise Architecture, Organizational Change, Risking, Culture Transformation, Feasibility Studies, Workforce Planning, Resource Allocation, Governance Risk Management and Compliance, Process Mapping, Data Governance
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Cash Flows, Financial Statement Analysis, Financial Statements, Financial Accounting, Depreciation, Fixed Asset, Equities, Financial Analysis, Financial Reporting, Property Accounting, Balance Sheet, Accounting, Market Liquidity, Accounts Payable
★ 4.7 (1.8K) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Copilot, CI/CD, Cascading Style Sheets (CSS), GitHub, C# (Programming Language), HTML and CSS, Azure DevOps, Object Oriented Design, Continuous Integration, Version Control, Git (Version Control System), Object Oriented Programming (OOP), ASP.NET, Full-Stack Web Development, Web Development, Web Design and Development, SQL, Secure Coding, .NET Framework, Graph Theory
★ 4.6 (512) · Beginner · Professional Certificate · 3 - 6 Months

Microsoft
Skills you'll gain: Environmental Social And Corporate Governance (ESG), AI Product Strategy, Microsoft Copilot, AI Enablement, Responsible AI, Return On Investment, Cost Benefit Analysis, AI Security, Business Priorities, Governance Risk Management and Compliance, Financial Modeling, Governance, Data Governance, Executive Presence, Key Performance Indicators (KPIs), Risk Analysis, Operating Cost, Decision Making, Power Platform Architecture & Technical Design, Risk Modeling
Beginner · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Jenkins, Terraform, Ansible, Kubernetes, CI/CD, Git (Version Control System), Docker (Software), Version Control, Software Development, Data Structures, DevOps, Network Administration, Software Development Tools, Networking Hardware, Network Troubleshooting, Command-Line Interface, Web Development, Devops Tools, Containerization, Application Security
★ 4.6 (281) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Mainframe Computing, Mainframe Technologies, z/OS, Virtualization, Virtualization and Virtual Machines, Virtual Machines, Hardware Architecture, Infrastructure Architecture, Computing Platforms, Computer Architecture, Enterprise Security, Computer Hardware, Cryptography, Transaction Processing, System Configuration, Authorization (Computing), Identity and Access Management, Memory Management
★ 4.7 (1.1K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OpenShift, Istio, Kubernetes, Cloud-Native Computing, Docker (Software), Containerization, Devops Tools, Application Deployment, DevOps, Scalability, Cloud Deployment, YAML, Microservices, Infrastructure Architecture, IBM Cloud, Command-Line Interface, Configuration Management
★ 4.4 (1.1K) · Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Copilot, Prompt Engineering, Microsoft 365, Productivity Software, Microsoft Office, Workflow Management, AI powered creativity, Collaborative Software, Data Management, AI Enablement, Strategic Communication, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Presentations, Generative AI, Data Security
★ 4.6 (862) · Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Swift Programming, Objective-C (Programming Language), iOS Development, Core Data (Software), Apple iOS, Video Game Development, Game Design, User Interface (UI), Model View Controller, JSON, User Interface (UI) Design, UI Components, Mobile Development, User Interface and User Experience (UI/UX) Design, OAuth, Memory Management, Responsive Web Design, Prototyping, Animation and Game Design, Human Computer Interaction
★ 4.5 (710) · Beginner · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authentications, Key Management, Data Security, Cloud Applications, Cloud Development, Cloud Services, Application Security, Authorization (Computing), Cyber Risk, Secure Coding, Cloud Storage, Personally Identifiable Information, DevSecOps, General Data Protection Regulation (GDPR), Network Security, Information Privacy, Computer Security, Cryptography
★ 4.3 (172) · Beginner · Specialization · 3 - 6 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
★ 4.8 (222) · Beginner · Course · 1 - 4 Weeks