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.

Skills you'll gain: Patch Management, Microsoft Azure, Disaster Recovery, System Monitoring, Cloud Storage, Infrastructure As A Service (IaaS), Data Storage Technologies, Cloud Security, Continuous Monitoring, Virtual Machines, Data Security, Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Monitoring, Medical Privacy, Risk Management, Health Information Management, Health Care Procedure and Regulation, Risk Mitigation, Information Privacy, Security Management, Risk Analysis, Patient Safety, Personally Identifiable Information, Information Systems Security, Security Controls, Data Security, Regulatory Compliance, Threat Modeling, Vulnerability Assessments
Beginner · Course · 1 - 3 Months
Codio
Skills you'll gain: Infrastructure as Code (IaC), Terraform, Docker (Software), Kubernetes, Ansible, Containerization, Ubuntu, Cloud Infrastructure, Cloud Management, Devops Tools, Cloud-Native Computing, Cloud Computing Architecture, Application Deployment, Firewall, Infrastructure As A Service (IaaS), Security Controls, Unix Shell, Unix, Amazon Web Services, Amazon Elastic Compute Cloud
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Ethics, Computer Security Awareness Training, Ethical Standards And Conduct, Cybersecurity, Information Technology, Responsible AI, Information Privacy, Media and Communications, Personally Identifiable Information, Artificial Intelligence, Law, Regulation, and Compliance, Data Collection
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Data Visualization Software, Dashboard, Ad Hoc Reporting, Business Intelligence, Data Analysis, Email Automation, Data Processing, Big Data, Data Science, Event Monitoring, Query Languages, Analysis, Incident Response, Business Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Based Systems Engineering, Unified Modeling Language, Systems Engineering, Systems Design, Software Systems, Systems Architecture, Systems Analysis, Simulations, Solution Architecture, System Requirements, Requirements Analysis, Verification And Validation, Functional Requirement, Cloud Computing
Beginner · Course · 1 - 3 Months
Skills you'll gain: Operating System Administration, Package and Software Management, IT Infrastructure, Network Troubleshooting, Computer Networking, Infrastructure Security, Encryption, Desktop Support, Network Security, Routing Protocols, TCP/IP, Cybersecurity, Lightweight Directory Access Protocols, Technical Support, Active Directory, Network Protocols, Computer Hardware, Cloud Computing, Customer Service, Debugging
Beginner · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Visualization, Machine Learning Algorithms, Product Planning, File Systems, Product Requirements, Project Planning, Big Data, Data Analysis, Data Processing, Data Wrangling, Plan Execution, Machine Learning, Internet Of Things, Data Storage Technologies, Design, Data Storage, Supervised Learning, Unsupervised Learning, Requirements Analysis
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Docker (Software), Cloud-Native Computing, Containerization, Application Deployment, Devops Tools, Data Storage, Microservices, DevOps, Data Storage Technologies, Security Controls, CI/CD, Authentications, Network Model, YAML, Network Planning And Design, Local Area Networks, Scalability, File Systems
Intermediate · Course · 1 - 4 Weeks

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, Model View Controller, JSON, User Interface (UI) Design, UI Components, Mobile Development, User Interface and User Experience (UI/UX) Design, OAuth, Responsive Web Design, Prototyping, Animation and Game Design, Apple Xcode, Human Computer Interaction, UI/UX Strategy
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI, Email Security
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Application Security, Computer Programming Tools, C++ (Programming Language), Software Development Tools, Programming Principles, C (Programming Language), Debugging
Mixed · Course · 1 - 4 Weeks