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.

Università di Napoli Federico II
Skills you'll gain: Derivatives, Financial Market, Securities (Finance), Financial Trading, Finance, Actuarial Science, Investments, Futures Exchange, Equities, Risk Modeling, Financial Modeling, Numerical Analysis, Mathematical Modeling, Simulation and Simulation Software, Probability
Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Open Web Application Security Project (OWASP), DevSecOps, Security Testing, CI/CD, DevOps, Application Security, Regulatory Compliance, Security Controls, Vulnerability Assessments, Penetration Testing, Compliance Auditing
Intermediate · 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, Database Management Systems, Query Languages, Data Modeling, Transaction Processing, Data Management, Data Integrity, System Design and Implementation, Information Technology, Data Analysis, Information Architecture, Problem Solving, Logical Reasoning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Encryption, Secure Coding, File Management, Cryptography, Python Programming, Programming Principles, Debugging, Scripting, Software Testing, Data Structures
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Requirements Elicitation, Business Analysis, Business Requirements, Requirements Analysis, Business Process, Product Roadmaps, Stakeholder Analysis, Agile Methodology, Needs Assessment, Business Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Modeling, Star Schema, Data Warehousing, Data Security, Data Visualization Software, Pivot Tables And Charts, Performance Tuning, Business Intelligence, Excel Formulas, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, YAML, Application Deployment, CI/CD, Docker (Software), Containerization, Devops Tools, Package and Software Management, Cloud Deployment, Development Environment, Release Management, Command-Line Interface, Configuration Management, Go (Programming Language), Software Versioning, File Management
Beginner · Course · 1 - 3 Months

Pearson
Skills you'll gain: Virtualization, Virtual Machines, Virtual Networking, Computing Platforms, Software Installation, Ubuntu, Microsoft Windows, System Requirements
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prioritization, Product Roadmaps, Sprint Planning, Timelines, Strategic Prioritization, Business Priorities, Agile Methodology, Project Schedules, Project Planning, Meeting Facilitation, Agile Project Management, Kanban Principles, Business Requirements, Requirements Analysis, Team Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Encryption, Secure Coding, Brute-force attacks, Cyber Security Assessment, File Management, Python Programming, Programming Principles, Algorithms, Debugging, Scripting, Data Structures, Software Testing, User Interface (UI), Statistical Programming, File I/O, UI Components, Application Development
Beginner · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: Restful API, Rust (Programming Language), API Design, Object-Relational Mapping, Back-End Web Development, System Programming, Web Frameworks, Web Services, Web Development, Web Servers, Software Documentation, Web Applications, Scalability, Database Management, Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Identity and Access Management, Microsoft Azure, Disaster Recovery, Virtual Machines, Active Directory, Role-Based Access Control (RBAC), Virtual Networking, Virtualization and Virtual Machines, Application Deployment, Cloud Security, Cloud Infrastructure, User Accounts, Multi-Factor Authentication, System Monitoring, Cloud Storage, Automation
Intermediate · Course · 1 - 3 Months