Linux Systems Auditing

Linux, the open-source operating system known for its stability, security, and flexibility, has become a critical component of modern IT infrastructures. You will find a lot of great detailed books on Linux that will review its many variations and applications. From powering servers and cloud platforms to running embedded systems and Internet of Things (IoT) devices, Linux distributions play a vital role in supporting the digital operations of organizations across various industries. We are going to focus on the parts that matter to you as an auditor. As an IT auditor, auditing Linux systems is essential to ensure an organization’s IT environment’s security, compliance, and overall health.

This chapter provides a guide to auditing Linux systems, focusing on the most common security configurations, user access management, firewall and network security, package management, and automation. Whether you are new to Linux auditing or looking to expand...