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 Maryland, College Park
Skills you'll gain: Application Security, Secure Coding, Vulnerability Assessments, Security Software, Security Testing, Cybersecurity, Collaborative Software, Threat Modeling, Debugging, Systems Design
Intermediate · Course · 1 - 4 Weeks

Fortinet, Inc.
Skills you'll gain: Virtual Private Networks (VPN), Firewall, Network Routing, Intrusion Detection and Prevention, Authentications, Network Security, Network Administration, Security Controls, User Accounts, System Configuration, Network Monitoring, Web Servers
Intermediate · Course · 1 - 3 Months

Indian School of Business
Skills you'll gain: Financial Statements, Peer Review, Financial Statement Analysis, Financial Trading, Balance Sheet, Portfolio Management, Data Collection, Market Liquidity, Market Data, Investment Management, Financial Analysis, Performance Analysis, Market Dynamics, Project Design, Market Analysis, Financial Market, Business Planning, Securities Trading, Performance Measurement, Technical Analysis
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Network Troubleshooting, Network Planning And Design, Network Monitoring, Hybrid Cloud Computing, Google Cloud Platform, Cloud Engineering, Network Architecture, Network Routing, Virtual Private Networks (VPN), Cloud Computing Architecture, Kubernetes, Firewall, Load Balancing, Cloud Security
Advanced · Course · 1 - 3 Months

UNSW Sydney (The University of New South Wales)
Skills you'll gain: Systems Engineering, Systems Development, Conceptual Design, Systems Design, Requirements Analysis, Systems Development Life Cycle, Requirements Elicitation, Systems Architecture, Systems Integration, Engineering Design Process, Functional Design, System Design and Implementation, Concept Of Operations, Technical Design, Configuration Management, Program Development, Prototyping, System Requirements, Risk Management Framework, Verification And Validation
Mixed · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: Control Systems, Automation, Simulation and Simulation Software, Software Architecture, Safety Assurance, Hardware Architecture, Systems Architecture, Mathematical Modeling, Computer Hardware, Mechanics
Advanced · Course · 1 - 3 Months

Skills you'll gain: WordPress, Web Design and Development, HTML and CSS, Web Analytics and SEO, Content Management Systems, Web Content, Cloud Hosting, Web Servers, Application Security
Beginner · Course · 1 - 3 Months

Skills you'll gain: Salesforce, Salesforce Development, Marketing Automation, User Experience, Content Management, UI Components, Cloud Development, Customer Service, Cloud Management, Dashboard, Cloud Services, Encryption, Business Strategy
Beginner · Course · 3 - 6 Months

University of London
Skills you'll gain: Environmental Policy, International Relations, Climate Change Mitigation, Energy and Utilities, Environment, Petroleum Industry, Oil and Gas, Governance, Climate Change Adaptation, Sustainable Development, Policy Analysis, Economics, Security Strategy, Electric Power Systems
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Google Workspace, Generative AI, Google Cloud Platform, Productivity Software, Prompt Engineering, Enterprise Security, Document Management, Information Management
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Cryptography, Application Security, Cybersecurity, Encryption, Vulnerability Assessments, Key Management, Public Key Cryptography Standards (PKCS), Authentications, Mobile Security, Data Integrity
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Relational Databases, Databases, Database Theory, Database Design, Database Systems, Database Management, SQL, Database Architecture and Administration, Query Languages, Data Modeling, Transaction Processing, Data Management, Data Integrity, Data Storage, System Design and Implementation, Information Technology, Data Analysis, Information Architecture, Problem Solving, Logical Reasoning
Intermediate · Course · 1 - 3 Months