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.

Skills you'll gain: Kubernetes, Data Persistence, Cloud-Native Computing, Google Cloud Platform, Application Deployment, Scalability, Data Storage Technologies, Data Storage, Cloud Storage, Containerization, Cloud Computing Architecture, Load Balancing, YAML, Authorization (Computing), General Networking, Authentications, Configuration Management, Network Security
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Networking Hardware, General Networking, Network Infrastructure, Local Area Networks, OSI Models, Network Protocols, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), TCP/IP, Network Architecture, Computer Networking, Network Model, Wireless Networks, Network Security, Network Switches, Virtual Local Area Network (VLAN)
Beginner · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Business Ethics, Responsible AI, Case Studies, Governance, Ethical Standards And Conduct, AI Security, Compliance Management, Artificial Intelligence, Business Management, Regulation and Legal Compliance, Accountability, Information Privacy, Business Strategies, Decision Making, Social Impact, Social Justice
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Testing, Cucumber (Software), Behavior-Driven Development, JSON, Restful API, Application Programming Interface (API), Test Tools, Test Case, JUnit, Security Testing, Test Script Development, Test Data, Test Automation, Apache Maven, Authentications, Development Environment, Authorization (Computing)
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Load Balancing, Firewall, Performance Testing, Web Servers, Virtual Machines, Distributed Denial-Of-Service (DDoS) Attacks, Google Cloud Platform, Security Controls
Intermediate · Project · Less Than 2 Hours

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: Unix Commands, Unix, Command-Line Interface, Linux Commands, Linux, Shell Script, File Systems, File Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, API Testing, Software Testing, Test Case, Gradle, Software Development Tools, Integration Testing, Mockups, JSON, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: DevSecOps, AI Security, Cyber Operations, Threat Modeling, Zero Trust Network Access
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Amazon S3, Cloud Computing, Public Cloud, Cloud Storage, Data Storage Technologies, Cloud Infrastructure, Data Storage, Identity and Access Management, User Accounts, Cloud Security, Solution Architecture
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Security, Data Loss Prevention, Google Cloud Platform, Data Access, Cloud Storage, Data Security, Data Management, Cloud Computing, Personally Identifiable Information, Unstructured Data
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Modeling, Enterprise Resource Planning, Dashboard, Business Intelligence, Data Visualization Software, Workflow Management, Pivot Tables And Charts, Data Import/Export, Extract, Transform, Load, Data Integration, Microsoft Excel, Data Transformation, Data Security, Scripting
Mixed · Course · 1 - 3 Months