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.

Google Cloud
Skills you'll gain: Flutter (Software), UI Components, Mobile Development, Google Cloud Platform, User Interface (UI), Application Development, Cross Platform Development, Web Development, Network Security
Beginner · Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Public Health
Beginner · Course · 1 - 3 Months

Skills you'll gain: Operating System Administration, Network Security, IT Security Architecture, Package and Software Management, IT Infrastructure, Computer Networking, Information Systems Security, Systems Administration, Microsoft Windows, Technical Support and Services, Cybersecurity, OSI Models, Cloud Management, Technical Support, Network Troubleshooting, Disaster Recovery, Operating Systems, Help Desk Support, TCP/IP, Computer Hardware
Beginner · Professional Certificate · 3 - 6 Months

Edureka
Skills you'll gain: Angular, Application Deployment, JavaScript Frameworks, Software Testing, Test Tools, Web Development Tools, Unit Testing, Application Performance Management, CI/CD, Continuous Integration, Web Applications, TypeScript, Ajax, Application Lifecycle Management, Secure Coding, Web Development, Code Coverage, Software Architecture, Command-Line Interface, Version Control
Intermediate · Specialization · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: Cybersecurity, Cyber Attacks, Computer Security Awareness Training, Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Security Awareness, Data Security, Personally Identifiable Information, Cyber Risk, Malware Protection, Cryptography, General Data Protection Regulation (GDPR), Exploitation techniques, Information Privacy, Human Factors (Security), Multi-Factor Authentication, Authentications
Beginner · Course · 1 - 4 Weeks

British Standards Institution
Skills you'll gain: Data Ethics, Artificial Intelligence, AI literacy, Data Governance, Risk Management Framework, Risk Management, Operational Risk, Business Risk Management, Compliance Management, Accountability Frameworks, Risk Analysis, Human Factors (Security), Risk Mitigation, Data Quality, Regulatory Compliance, Governance, Human Machine Interfaces, Trustworthiness, Technical Standard
Mixed · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), API Design, Application Programming Interface (API), Application Security, Secure Coding, Security Controls, Vulnerability Assessments, Authorization (Computing), Hardening, Cryptographic Protocols, Cryptography, Authentications, Exploitation techniques
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Containerization, CI/CD, Docker (Software), DevOps, Jenkins, Application Deployment, Continuous Integration, Rust (Programming Language), Prometheus (Software), Continuous Delivery, System Monitoring, JSON, Scripting, Command-Line Interface, Continuous Monitoring, Automation, System Programming, Software Testing, GitHub
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Source Technology, Package and Software Management, Web Development, Linux, Shell Script, Database Design, Ubuntu, Relational Databases, Web Applications, Web Development Tools, Unix Shell, Test Driven Development (TDD), Python Programming, Linux Administration, Databases, Object Oriented Programming (OOP), Object Oriented Design, Scripting Languages, Javascript, Database Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Azure, Role-Based Access Control (RBAC), Azure Synapse Analytics, Azure Active Directory, Real Time Data, Zero Trust Network Access, Serverless Computing, Identity and Access Management, Data Integration, Cloud Management, Cloud Applications, Virtual Machines, Cloud-Native Computing, Cloud Computing Architecture, Data Governance, Cloud-Based Integration, Cloud Computing, Solution Architecture, Disaster Recovery, Virtual Networking
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cryptography, Encryption, Cloud Security, Cryptographic Protocols, Cyber Security Assessment, Data Encryption Standard, Cloud Computing, Advanced Encryption Standard (AES), Data Security, Key Management, Data Loss Prevention, Public Key Infrastructure, Cloud Platforms
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: CI/CD, Azure DevOps, Continuous Integration, Cloud Deployment, Application Deployment, Microsoft Azure, Azure DevOps Pipelines, Cloud Services, Continuous Deployment, DevOps, Cloud Applications, Cloud Security, Microsoft Development Tools, Application Performance Management, Microsoft Copilot, Cloud Management, Capacity Management, System Monitoring, Debugging
Beginner · Course · 1 - 3 Months