Accounting

In-depth Linux Guide to Achieve PCI DSS Compliance and Certification

This is the technical Linux guide you need to achieve compliance with the PCI DSS standard. Become compliant and maintaining it, with Linux tips for configuration and auditing.

Summary of In-depth Linux Guide to Achieve PCI DSS Compliance and Certification

If you work for a company which accepts, processes, or stores credit card details, you might be familiar with the PCI Data Security Standard (DSS). The standard itself is very detailed. Still, it sometimes unclear on what specifically to implement and when. This guide will help with translating the PCI standard to technical security controls on Linux systems. This document has the goal to help you further secure your network and pass the PCI DSS audit.

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PCI DSS (v3) Linux: Logging of administrative actions with root privileges (10.2.2)

PCI DSS requires logging of administrative actions, including commands executed by the root user or using sudo. Learn how to set up accounting and auditing.

Summary of PCI DSS (v3) Linux: Logging of administrative actions with root privileges (10.2.2)

Companies who need to comply with the PCI DSS standard need to log all actions which are executed by the root user or those accounts with similar administrative privileges. 10.2.2 Verify all actions taken by any individual with root or administrative privileges are logged. The Linux kernel allows the monitoring of executed commands. This monitoring and logging can be done with the Linux audit framework. Using this framework, we can monitor the right system calls and create an audit trail.

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Tuning auditd: high-performance Linux Auditing

To achieve better performance with a auditd configuration, it needs to be tuned. See performance boosters like events exclusion, rule ordering, and more.

Summary of Tuning auditd: high-performance Linux Auditing

The Linux Audit framework is a powerful tool to audit system events. From running executables up to system calls, everything can be logged. However, all this audit logging comes at the price of decreased system performance. Let’s have a look at how we can optimize our audit rules. Performance tips Good auditd performance will reduce stress on the Linux kernel and lower its impact. Before changing anything to your system, we suggest benchmarking your system performance before and after.

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