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.

Google Cloud
Skills you'll gain: Terraform, Data Validation, Infrastructure as Code (IaC), Acceptance Testing, Google Cloud Platform, Security Controls
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Security Management, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unix Commands, Unix, Unix Shell, File I/O, User Accounts, Linux, Operating System Administration, Command-Line Interface, Operating Systems, File Systems, Systems Administration, File Management, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Electronic Components, C and C++, C++ (Programming Language), Embedded Software, Hardware Troubleshooting, Program Development, Maintainability, Debugging, Development Environment
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Amazon Bedrock, Agentic Workflows, Serverless Computing, Responsible AI, Generative AI Agents, AI Security, Prompt Engineering, Cloud Deployment, Help Desk Support, Product Support, Customer Relationship Management (CRM) Software, Customer Relationship Management
Beginner · Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Blockchain, Secure Coding, Application Security, Legal Technology, Vulnerability Assessments, Program Development, Software Development Tools, Development Testing, Debugging, Application Deployment, Emerging Technologies, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Stakeholder Engagement, Process Mapping, Business Process, Process Analysis, Workflow Management, Business Transformation, Business Analysis, Business Process Management, Stakeholder Analysis, Gap Analysis, Digital Transformation, Requirements Analysis, Continuous Improvement Process, Innovation
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Data Management, Data Store, Middleware, Database Management
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Teradata SQL, SQL, Stored Procedure, Transaction Processing, Query Languages, Performance Tuning, Database Management, Data Manipulation, Data Security, Extract, Transform, Load, Database Architecture and Administration, Data Transformation, Data Storage, Relational Databases, Solution Design, Database Management Systems, Data Import/Export, Database Design, System Implementation, Mainframe Computing
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Disaster Recovery, SAP Applications, Azure Active Directory, Cloud Infrastructure, Cloud Management, System Monitoring, Application Deployment, Virtual Machines, Virtual Networking, IT Infrastructure, Cloud Storage, Data Migration, Performance Testing
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Federated Learning, Transfer Learning, AI Security, Large Language Modeling, PyTorch (Machine Learning Library), Information Privacy, Distributed Computing, Machine Learning
Beginner · Project · Less Than 2 Hours

Institut Mines-Télécom
Skills you'll gain: digital literacy, Safety and Security, Emerging Technologies, Digital Communications, Digital Transformation, Cybersecurity, Digital Assets, Technology Strategies, Innovation, Digital Content, Law, Regulation, and Compliance, Empathy & Emotional Intelligence, Information Privacy, Strategic Leadership
Beginner · Course · 1 - 3 Months