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.

University of California, Irvine
Skills you'll gain: Systems Development, Systems Development Life Cycle, Agile Methodology, Productivity Software, Data Security, Risk Management, Software Development Methodologies, Process Design, Information Systems, Workflow Management, Business Systems Analysis, Microsoft Office, E-Commerce, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Michigan State University
Skills you'll gain: Journalism, Media and Communications, International Relations, Interviewing Skills, Ethical Standards And Conduct, Storytelling, Safety and Security, Content Creation, Writing and Editing, Digital Publishing, Emerging Technologies, Business Modeling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Unit Testing, Apple Xcode, Test Case, Software Testing, Object Oriented Programming (OOP), Data Structures, Application Development, Application Security, Software Design, Debugging, Data Mapping, Functional Design, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Kubernetes, Google Cloud Platform, Hybrid Cloud Computing, Application Performance Management, Capacity Management, Scalability, Application Security, Cloud-Native Computing, Security Controls, System Monitoring, Application Deployment, Patch Management, Proxy Servers, Restful API, Data Security, Network Troubleshooting, Configuration Management
Beginner · Specialization · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Data Literacy, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Journalism, Analytical Skills, Big Data, Information Privacy, Data-Driven Decision-Making, Data Security, Law, Regulation, and Compliance, Algorithms
Beginner · Course · 1 - 4 Weeks
Microsoft
Skills you'll gain: Generative AI, Large Language Modeling, Data Ethics, LLM Application, Prompt Engineering, Responsible AI, Feature Engineering, Artificial Intelligence, Anomaly Detection, Data Synthesis, Information Privacy
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Crisis Management, Incident Response, ChatGPT, Computer Security Incident Management, Generative AI, Cross-Functional Collaboration, Incident Management, Prompt Engineering, Threat Modeling, Cybersecurity, Team Performance Management, Scenario Testing, Hardening, Complex Problem Solving, Discussion Facilitation, Artificial Intelligence, Performance Analysis, Coordination
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Security Testing, Authorization (Computing), Authentications, Data Validation, Encryption, Security Software, Data Security, Vulnerability Scanning, Security Controls, Role-Based Access Control (RBAC), Verification And Validation, Database Application, Security Awareness, Cybersecurity, User Accounts, Configuration Management, Web Development Tools
Beginner · Specialization · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Web Services, Cloud Infrastructure, Network Troubleshooting, Technical Consulting, Amazon S3, Cloud Solutions, Cloud Computing, Cloud Management, Technical Support, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Infrastructure Architecture, Virtual Private Networks (VPN), Scenario Testing, Amazon CloudWatch, System Support, Customer Support, Cloud Storage, Serverless Computing, Security Controls
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Threat Detection, Cybersecurity, Intrusion Detection and Prevention, Cyber Threat Intelligence, Network Infrastructure, Network Security, Network Architecture, General Networking, Endpoint Security, Malware Protection, System Monitoring, Incident Response, Email Security, Operating Systems, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Software Design Patterns, Software Architecture, Cryptography, Blockchain, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Systems Engineering, Model Based Systems Engineering, Test Engineering, Systems Thinking, Product Lifecycle Management, Engineering Management, Risk Management Framework, Engineering Design Process, System Requirements, Verification And Validation, Requirements Analysis
Build toward a degree
Beginner · Course · 1 - 3 Months