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.

LearnQuest
Skills you'll gain: Threat Management, Threat Detection, Infrastructure Security, Software-Defined Networking, Network Performance Management, Network Architecture, Network Planning And Design, Cloud-Based Integration, Network Administration, Network Routing, Wide Area Networks, Network Security, Network Monitoring, Disaster Recovery, Virtual Networking, Performance Tuning, General Networking, Network Engineering, Computer Networking, Local Area Networks
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: OpenAI API, LLM Application, Cost Benefit Analysis, Generative AI, AI Enablement, Application Programming Interface (API), Business Logic, Prompt Engineering, Scalability, Business Analysis, TypeScript, Node.JS, AI Security, System Design and Implementation, File I/O
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Electrical Safety, Desktop Support, System Support, Technical Documentation, Problem Management, Debugging, Safety and Security, Technical Support, Hardware Troubleshooting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: vSphere Networking and Storage, vSphere DRS & HA, Cloud Infrastructure, VMware vSAN, vCenter Server, Storage vMotion, Virtual Networking, Virtualization, Software-Defined Data Center (SDDC), Virtual Machines, iSCSI Configuration, vCenter Server Management, Virtualization and Virtual Machines, Cloud Computing, Containerization, Network Administration, Servers, Data Storage Technologies, Network Security, Capacity Management
Intermediate · Specialization · 1 - 3 Months

University of Leeds
Skills you'll gain: Web Design and Development, Web Development, Web Content Accessibility Guidelines, Web Design, Hypertext Markup Language (HTML), Front-End Web Development, Full-Stack Web Development, Data Security, Web Content, Back-End Web Development, Program Development, Cascading Style Sheets (CSS), Javascript, Information Privacy, Computer Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Flask (Web Framework), User Accounts, Web Development, Web Applications, HTML and CSS, Authentications, Cascading Style Sheets (CSS), Database Development, Database Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Database Management, Cryptography, Data Import/Export, MySQL, Vulnerability Scanning, Encryption, Brute-force attacks, Vulnerability Assessments, Cybersecurity, Data Encryption Standard, SQL
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Threat Detection, MITRE ATT&CK Framework, Application Security, Cybersecurity, Security Controls, Security Strategy, Vulnerability Assessments, Continuous Monitoring, Risk Management Framework, Open Web Application Security Project (OWASP), Software Development Life Cycle, Cloud Security
Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Responsible AI, Data Ethics, AI Security, Data Governance, AI Workflows, Data Transformation, Data Integrity, Data Quality, MLOps (Machine Learning Operations), Risk Modeling, Data Validation, Metadata Management, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Mac OS, Microsoft Windows, Operating System Administration, Desktop Support, System Support, End User Training and Support, System Configuration, Computer Displays, Software Installation, Android (Operating System), Apple iOS, Mobile Security, Patch Management, System Monitoring, Application Performance Management, OS Process Management, Browser Compatibility, Collaborative Software, Data Maintenance
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Secure Coding, Amazon Web Services, Authentications, Data Security, Cloud Security, Encryption, Public Key Infrastructure, Key Management, Application Security, Authorization (Computing), Security Controls, Multi-Factor Authentication
Intermediate · Course · 1 - 4 Weeks

FAIR Institute
Skills you'll gain: Cyber Risk, Risk Appetite, Cyber Governance, Risk Management, Regulatory Compliance, Risk Analysis, Cyber Security Strategy, Cybersecurity, Governance Risk Management and Compliance, Insurance, Compliance Management, Business Communication, Technical Communication, Strategic Communication, Business Reporting
Intermediate · Course · 1 - 4 Weeks