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.

LearnKartS
Skills you'll gain: Control Objectives for Information and Related Technology (COBIT), Governance, Performance Management, IT Management, Process Management, Information Technology, Information Technology Architecture, Program Implementation, Governance Risk Management and Compliance, Enterprise Architecture, System Implementation, Compliance Management, Business Planning, Risk Management Framework, Organizational Structure, Continuous Improvement Process, Business Strategies
Intermediate · Course · 1 - 4 Weeks

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

Google Cloud
Skills you'll gain: Docker (Software), Security Information and Event Management (SIEM), Software Installation, Containerization, Microsoft Windows, Event Monitoring, System Configuration, Cloud Computing, Data Security
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Storytelling, Data Analysis Expressions (DAX), Power BI, Statistical Reporting, Data Visualization Software, Dashboard, Pivot Tables And Charts, Microsoft Excel, Key Performance Indicators (KPIs), Data Manipulation, Business Intelligence, Cloud Services, Role-Based Access Control (RBAC), Data Integration, Security Controls, Data Cleansing, Software Installation
Intermediate · Course · 3 - 6 Months

Pearson
Skills you'll gain: Virtual Local Area Network (VLAN), Network Security, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Architecture, TCP/IP, Routing Protocols, Network Switches, Network Routing, Open Shortest Path First (OSPF), Wireless Networks, Ansible, General Networking, Network Infrastructure, Software-Defined Networking, Computer Networking, Local Area Networks, Network Planning And Design, Virtual Private Networks (VPN), Networking Hardware
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Role-Based Access Control (RBAC), Postman API Platform, Authentications, Authorization (Computing), Restful API, Java Programming, Spring Boot, User Accounts, Application Programming Interface (API), Application Security, Back-End Web Development, Web Applications
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Prompt Engineering, Large Language Modeling, Responsible AI, Generative AI, Policy Development, Data Ethics, Generative AI Agents, Legal Risk, Operational Risk, Regulatory Compliance, Labor Relations, Data Security, Personally Identifiable Information, Law, Regulation, and Compliance, Workforce Management, Human Resources, Journalism, Artificial Intelligence, Risk Management, Workforce Planning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Cyber Security Assessment, Exploitation techniques, Vulnerability Scanning, Cybersecurity, Vulnerability Assessments, Network Security, Open Web Application Security Project (OWASP), SQL
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Node.JS, MongoDB, Middleware, Databases, Authorization (Computing), Authentications, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Cloud Infrastructure, CI/CD, Cloud Computing Architecture, Cloud Security, Microservices, Service Level Agreement, Kubernetes, Site Reliability Engineering, Google Cloud Platform, Cloud Storage, Key Performance Indicators (KPIs), Network Architecture, Restful API, API Design, Systems Architecture, Scalability, Load Balancing, System Monitoring, Disaster Recovery
Advanced · Course · 1 - 3 Months

Skills you'll gain: Cyber Threat Intelligence, Malware Protection, Peripheral Devices, Personally Identifiable Information, Remote Access Systems, Hardware Troubleshooting, Threat Detection, Desktop Support, Help Desk Support, Cyber Attacks, Network Support, Cloud Services, Cybersecurity, Mac OS, Computer Hardware, Microsoft Windows, Technical Support and Services, Electrical Safety, IT Management, Cloud Security
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Threat Management, Cloud Security, MITRE ATT&CK Framework, Cybersecurity, Cyber Attacks, Real-Time Operating Systems, Internet Of Things, Infrastructure Security, Network Security
Beginner · Course · 1 - 4 Weeks