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.

Splunk Inc.
Skills you'll gain: Splunk, Correlation Analysis, Performance Tuning, Data Manipulation, Data Analysis, Data Modeling, Big Data, Transaction Processing, Data Science, Business Analytics, Data Visualization
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Kubernetes, Docker (Software), Microservices, Containerization, Application Deployment, Cloud Deployment, Google Cloud Platform, Cloud Management, Service Management
Beginner · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Crisis Management, Systems Thinking, Adaptability, Sustainable Development, Climate Change Adaptation, Change Management, Disaster Recovery, Resilience, Threat Management, Contingency Planning, Systems Engineering, Organizational Change, Business Continuity, Infrastructure Security, Business Ethics, Stakeholder Communications, Threat Detection, Engineering Management, Risk Management, Emergency Response
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Oracle Databases, Oracle SQL Developer, PL/SQL, Database Administration, Database Architecture and Administration, Relational Databases, Database Management, Database Management Systems, Stored Procedure, Database Design, SQL, Data Storage, Data Management, Performance Tuning, Data Integrity, Security Controls, Authorization (Computing), Identity and Access Management, System Monitoring, User Accounts
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Equity, Team Management, Record Keeping, Collaborative Software, Technical Management, Clinical Informatics, Informatics, Healthcare Project Management, Health Informatics, Clinical Research, Diversity Awareness, Diversity Equity and Inclusion Initiatives, Clinical Trials, GitHub, Git (Version Control System), Docker (Software)
Beginner · Course · 1 - 3 Months

Skills you'll gain: API Gateway, Scalability, Cloud API, Hybrid Cloud Computing, Application Programming Interface (API), Kubernetes, Google Cloud Platform, Cloud Platforms, Application Performance Management, Release Management, Package and Software Management, Patch Management, System Monitoring, Application Deployment, Capacity Management, Cloud Computing, Infrastructure Security, Role-Based Access Control (RBAC), Virtual Networking, Network Troubleshooting
Beginner · Specialization · 1 - 3 Months

Splunk Inc.
Skills you'll gain: Data Modeling, Splunk, Pivot Tables And Charts, Data Management, Database Management, Query Languages, Data Integration, Performance Tuning, Data Science, Data Analysis, Big Data, Business Intelligence, Business Analytics, Geospatial Information and Technology, Statistics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, User Provisioning, Cloud Security, Azure Active Directory, Data Governance, IT Security Architecture, DevSecOps, Data Management, Security Information and Event Management (SIEM), Identity and Access Management, Microsoft 365, Endpoint Security, Zero Trust Network Access, Role-Based Access Control (RBAC), Multi-Factor Authentication, Authorization (Computing), Hybrid Cloud Computing, Microsoft Copilot, Encryption, Authentications
Advanced · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Data Persistence, Event-Driven Programming, HTML and CSS, Web Applications, Front-End Web Development, Semantic Web, Javascript, Web Content Accessibility Guidelines, Data Storage Technologies, Application Security, User Interface (UI), Data Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Support, Active Directory, Network Administration, Dynamic Host Configuration Protocol (DHCP), Technical Support and Services, Firewall, Microsoft Windows, Local Area Networks, Network Security, Network Troubleshooting, Computer Networking, Mac OS, Group Policy, Network Infrastructure, Security Controls, TCP/IP, User Accounts, Authorization (Computing), Network Protocols, Multi-Factor Authentication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Documentation, API Testing, Test Automation, Generative AI, Software Testing, AI Security, Vulnerability Assessments, Test Case, Secure Coding, Full-Stack Web Development, LLM Application, Technical Documentation
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Prompt Engineering, AI Workflows, AI Orchestration, Generative AI, ChatGPT, OpenAI API, Microsoft Copilot, AI Enablement, Software Architecture, Integrated Development Environments, Code Review, Software Design, API Design, Debugging, Software Development, Application Development, AI Security, Database Design, Python Programming, Automation
Intermediate · Specialization · 3 - 6 Months