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.

Universidad Nacional Autónoma de México
Skills you'll gain: Mitigation, Vibrations, Safety Training, Emergency Response, Public Safety and National Security, Environmental Monitoring, Hazard Analysis, Education and Training, Network Monitoring, Community Development, Case Studies
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Code Review, GitHub, Git (Version Control System), Version Control, Docker (Software), Software Development Tools, Continuous Integration, Containerization, Bioinformatics, Informatics, Automation, Data Analysis, R Programming
Advanced · Course · 1 - 3 Months

Skills you'll gain: System Monitoring, Google Workspace, Cloud Management, Endpoint Security, Network Troubleshooting, Security Management, Cloud Applications, Application Deployment, Compliance Auditing, Incident Management, Data Security, Configuration Management, User Provisioning, Taking Meeting Minutes, Annual Reports
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud API, Application Programming Interface (API), Google Cloud Platform, Cloud Security, Load Balancing, Threat Management
Beginner · Project · Less Than 2 Hours

AI CERTs
Skills you'll gain: Blockchain, Private Cloud, Restful API, Go (Programming Language), Compliance Auditing, Program Development, Frontend Integration, Software Development Tools, Application Programming Interface (API), Enterprise Security, Auditing
Advanced · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Threat Modeling, Application Programming Interface (API), Scripting, Cryptography, Cryptographic Protocols, Application Security, FinTech, Scalability, Payment Systems, Software Development, Emerging Technologies, Distributed Computing, Secure Coding, Software Development Tools, Computer Programming, Transaction Processing, Business Analysis, Market Dynamics, Finance
Intermediate · Specialization · 1 - 3 Months
Coursera
Skills you'll gain: API Testing, Test Script Development, Scenario Testing, Software Testing, Integration Testing, Test Case, Test Automation, Acceptance Testing, Test Tools, Regression Testing, Maintainability, Test Execution Engine, User Interface (UI), Security Testing, Test Data, Scalability, Debugging, Authentications, Compliance Reporting, Automation
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Security, Google Cloud Platform, Cloud Computing, Data Loss Prevention, Personally Identifiable Information, Cloud Development, Cloud API, Data Cleansing, Node.JS
Beginner · Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Serverless Computing, Containerization, Platform As A Service (PaaS), Cloud Security, Cloud Platforms, Cloud Services, Information Management, Cloud Computing Architecture, Cloud Computing, Cloud Management, Cloud Infrastructure, Cloud Solutions, Cloud Development, Cloud Deployment, Application Deployment, Database Administration, Database Management, DevOps, Microservices, Scalability
Build toward a degree
Intermediate · Course · 1 - 3 Months

Alberta Machine Intelligence Institute
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Generative Model Architectures, Large Language Modeling, ChatGPT, OpenAI API, Open Source Technology, Responsible AI, Embeddings, Artificial Intelligence, Data Ethics, Natural Language Processing, Information Privacy
Mixed · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Federated Learning, Emerging Technologies, Generative AI, Internet Of Things, Software-Defined Networking, Digital Communications, Network Architecture, Zero Trust Network Access, Artificial Intelligence and Machine Learning (AI/ML), Distributed Computing, Artificial Intelligence, Information Technology, Health Technology, Electronics Engineering, Electrical Engineering, Machine Learning, Trustworthiness
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Docker (Software), Kubernetes, Containerization, DevOps, Cloud-Native Computing, Application Deployment, CI/CD, Scalability, YAML
Intermediate · Guided Project · Less Than 2 Hours